{
  "name": "Sinch SMS API",
  "slug": "sinch-sms",
  "website_url": "https://sinch.com/messaging/sms-api/",
  "vendor_description": "\"Simple, secure SMS API for global reach\"",
  "categories": [
    "sms"
  ],
  "summary": null,
  "capabilities": {
    "supported_actions": [
      "send_batch",
      "list_batches",
      "get_batch",
      "update_batch",
      "replace_batch",
      "delete_batch",
      "dry_run",
      "send_delivery_feedback",
      "list_delivery_reports",
      "get_batch_delivery_report",
      "get_recipient_delivery_report",
      "list_groups",
      "create_group",
      "get_group",
      "update_group",
      "replace_group",
      "delete_group",
      "list_group_members",
      "list_inbounds",
      "get_inbound",
      "receive_sms_webhook",
      "delivery_report_webhook"
    ],
    "supported_regions": [
      "190+ countries worldwide",
      "US (default server region)"
    ],
    "supported_languages": [],
    "input_types": [
      "application/json",
      "MSISDN phone numbers"
    ],
    "output_types": [
      "application/json"
    ],
    "webhooks_supported": true,
    "sandbox_available": true,
    "sdk_languages": [
      "Node.js",
      "Python",
      "Java",
      ".NET"
    ],
    "mcp_server_available": true
  },
  "integration": {
    "api_style": "rest",
    "base_url": "https://us.sms.api.sinch.com/xms/v1",
    "api_version": "v1",
    "versioning_scheme": "url",
    "stability": "ga",
    "deprecation_policy_url": null,
    "auth_methods": [
      "api_key",
      "basic"
    ],
    "auth_docs_url": "https://developers.sinch.com/docs/sms/api-reference#authentication",
    "idempotency_supported": null,
    "error_format": "vendor-specific",
    "webhook_signing": "hmac_sha1",
    "webhook_events_url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks",
    "rate_limit_requests": null,
    "rate_limit_window": "second",
    "sdk_packages": [
      {
        "package": "@sinch/sdk-core",
        "language": "Node.js",
        "official": true,
        "repo_url": "https://github.com/sinch/sinch-sdk-node"
      },
      {
        "package": "sinch",
        "language": "Python",
        "official": true,
        "repo_url": "https://github.com/sinch/sinch-sdk-python"
      },
      {
        "package": "com.sinch.sdk:sinch-sdk-java",
        "language": "Java",
        "official": true,
        "repo_url": "https://github.com/sinch/sinch-sdk-java"
      },
      {
        "package": "Sinch",
        "language": ".NET",
        "official": true,
        "repo_url": "https://github.com/sinch/sinch-sdk-dotnet"
      }
    ],
    "mcp_url": "https://github.com/sinch/sinch-mcp-server",
    "quickstart_url": "https://developers.sinch.com/docs/sms/getting-started"
  },
  "pricing": {
    "pricing_model": "usage_based",
    "has_published_pricing": true,
    "starting_price_usd": "0.0078",
    "price_basis": "message",
    "free_tier_available": false,
    "free_tier_limit": null,
    "free_tier_details": null,
    "minimum_commitment": null,
    "self_serve_signup": true,
    "requires_sales_call": false,
    "requires_verification": false,
    "enterprise_plan_available": false,
    "price_points": [
      {
        "plan": "Pay As You Go",
        "item": "10DLC SMS outbound message (US)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC SMS inbound message (US)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free SMS outbound message (US)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free SMS inbound message (US)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code SMS outbound message (US)",
        "amount_usd": "0.0090",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code SMS inbound message (US)",
        "amount_usd": "0.0090",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC MMS outbound message (US)",
        "amount_usd": "0.0200",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC MMS inbound message (US)",
        "amount_usd": "0.0200",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free MMS outbound message (US)",
        "amount_usd": "0.0180",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free MMS inbound message (US)",
        "amount_usd": "0.0180",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code MMS outbound message (US)",
        "amount_usd": "0.0200",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code MMS inbound message (US)",
        "amount_usd": "0.0200",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC number monthly fee (US)",
        "amount_usd": "1.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC number setup fee (US)",
        "amount_usd": "1.0000",
        "amount_percent": null,
        "per": "one time",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free number monthly fee (US)",
        "amount_usd": "2.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free number setup fee (US)",
        "amount_usd": "2.0000",
        "amount_percent": null,
        "per": "one time",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code number monthly fee Random (US)",
        "amount_usd": "500.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code number monthly fee Vanity (US)",
        "amount_usd": "1000.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code number setup fee (US)",
        "amount_usd": "1.0000",
        "amount_percent": null,
        "per": "one time",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC SMS outbound message (Canada)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC SMS inbound message (Canada)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free SMS outbound message (Canada)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free SMS inbound message (Canada)",
        "amount_usd": "0.0078",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code SMS outbound message (Canada)",
        "amount_usd": "0.0090",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code SMS inbound message (Canada)",
        "amount_usd": "0.0075",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC MMS outbound message (Canada)",
        "amount_usd": "0.0200",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC MMS inbound message (Canada)",
        "amount_usd": "0.0100",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free MMS outbound message (Canada)",
        "amount_usd": "0.0180",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free MMS inbound message (Canada)",
        "amount_usd": "0.0180",
        "amount_percent": null,
        "per": "message",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC number monthly fee (Canada)",
        "amount_usd": "1.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "10DLC number setup fee (Canada)",
        "amount_usd": "1.0000",
        "amount_percent": null,
        "per": "one time",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free number monthly fee (Canada)",
        "amount_usd": "2.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Toll Free number setup fee (Canada)",
        "amount_usd": "1.0000",
        "amount_percent": null,
        "per": "one time",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code number filing fee (Canada, CAD)",
        "amount_usd": "1500.0000",
        "amount_percent": null,
        "per": "3 months",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code number monthly fee (Canada, CAD)",
        "amount_usd": "350.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      },
      {
        "plan": "Pay As You Go",
        "item": "Short Code number setup fee (Canada)",
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        "amount_percent": null,
        "per": "one time",
        "currency": "USD",
        "source_url": "https://sinch.com/pricing/sms/"
      }
    ]
  },
  "compliance": {
    "soc2": "type_2",
    "hipaa": true,
    "gdpr": true,
    "iso_27001": true,
    "pci_dss": true,
    "sla_published": true,
    "sla_url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/messaging-service-level-agreement-sla/",
    "data_retention_policy_url": null,
    "documented_rate_limits": "\"Each service plan comes with a rate limit which sets the maximum number of messages that can be sent per second\"",
    "known_restrictions": [
      "MMS is only available in the US region and requires contacting an account manager to enable",
      "Messages over 160 characters are automatically concatenated",
      "Default server location is US; other regions require contacting an account manager",
      "Rate limits are dependent on your specific service plan",
      "A batch with 10 recipients will count as 10 messages for rate limiting purposes"
    ]
  },
  "developer": {
    "docs_url": "https://docs.sinch.com",
    "api_reference_url": null,
    "openapi_spec_url": null,
    "postman_collection_url": null,
    "changelog_url": null,
    "status_page_url": "https://status.sinch.com",
    "llms_txt_url": "https://docs.sinch.com/llms.txt",
    "markdown_docs_url": null,
    "rendering": "static"
  },
  "adoption": {
    "launched_at": "2014-01-01",
    "ga_date": null,
    "github_stars": null,
    "github_stars_at": null,
    "notable_customers": [
      "AAA",
      "FirstBank",
      "Florida Orthopaedic Institute",
      "Omnisend"
    ]
  },
  "scores": {
    "agent_friendliness": 75,
    "pricing_transparency": 85,
    "setup_speed": 75,
    "docs_quality": 25,
    "procurement_friction": 85,
    "trust_readiness": 100,
    "best_for": [
      "AI agents and automation - an agent-ready surface (MCP / llms.txt)",
      "Teams needing broad API coverage out of the box",
      "Cost-sensitive teams - low, transparent entry price"
    ],
    "avoid_if": [
      "You want to try it free before paying"
    ]
  },
  "sources": [
    {
      "field": "vendor_description",
      "url": "https://sinch.com/messaging/sms-api/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sdk_languages",
      "url": "https://developers.sinch.com/docs/sms/sdks",
      "excerpt": "Sinch SDKs offer a consistent standardized framework for functionality to address problems like pagination, error code response and language",
      "confidence": "high"
    },
    {
      "field": "sdk_languages",
      "url": "https://developers.sinch.com/docs/sms/getting-started/python/send-sms-sdk",
      "excerpt": "Learn how to quickly send SMS messages in a Python application with the Sinch SMS API.",
      "confidence": "high"
    },
    {
      "field": "free_tier_details",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "SMS Messaging ; 10DLC · Monthly fee. $1.00. Per month. Carrier fees apply ; Toll Free Numbers · Monthly fee. $2.00. Per month. Carrier fees apply",
      "confidence": "medium"
    },
    {
      "field": "name",
      "url": "https://sinch.com/messaging/sms-api/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sla_published",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/messaging-service-level-agreement-sla/",
      "excerpt": "Service availability means for the purpose of this SLA the percentage of time during which the Service is accessible and performing its intended functions.",
      "confidence": "high"
    },
    {
      "field": "iso_27001",
      "url": "http://sinch.com/voice/security",
      "excerpt": "Sinch Voice is GDPR and CCPA compliant and ISO 27001 certified.",
      "confidence": "high"
    },
    {
      "field": "webhooks_supported",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/",
      "excerpt": "deliveryreport",
      "confidence": "high"
    },
    {
      "field": "free_tier_available",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "SMS Messaging ; 10DLC · Monthly fee. $1.00. Per month. Carrier fees apply ; Toll Free Numbers · Monthly fee. $2.00. Per month. Carrier fees apply",
      "confidence": "high"
    },
    {
      "field": "free_tier_available",
      "url": "https://sinch.com/messaging/sms-api/testing-sandbox/",
      "excerpt": "Test SMS integrations in minutes with a free texting sandbox",
      "confidence": "high"
    },
    {
      "field": "supported_regions",
      "url": "https://sinch.com/messaging/sms-api/send-sms/",
      "excerpt": "Scale with a single API to send SMS to 190+ countries.",
      "confidence": "medium"
    },
    {
      "field": "known_restrictions",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "If you are in the US region, you are also able to send and receive",
      "confidence": "high"
    },
    {
      "field": "known_restrictions",
      "url": "https://sinch.com/messaging/sms-api/send-sms/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "self_serve_signup",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "gdpr",
      "url": "http://sinch.com/voice/security",
      "excerpt": "Sinch Voice is GDPR and CCPA compliant and ISO 27001 certified.",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "primary_use_cases",
      "url": "https://developers.sinch.com/docs/sms",
      "excerpt": "Send and receive SMS through a single connection for timely and cost efficient communications.",
      "confidence": "medium"
    },
    {
      "field": "supported_actions",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "The Sinch SMS REST API allows you to both send and receive SMS messages. If you are in the US region, you are also able to send and receive",
      "confidence": "high"
    },
    {
      "field": "categories",
      "url": "https://sinch.com/messaging/sms-api/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "supported_languages",
      "url": "https://sinch.com/messaging/sms-api/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "documented_rate_limits",
      "url": "https://developers.sinch.com/docs/sms/resources/message-info/rate-limits",
      "excerpt": "The rate limit is calculated from all messages sent via the API. For example, a batch with 10 recipients will count as 10 messages for rate",
      "confidence": "medium"
    },
    {
      "field": "output_types",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sdk_languages",
      "url": "https://developers.sinch.com/docs/sdks/node",
      "excerpt": "The Sinch Node.js SDK allows you to quickly interact with the suite of APIs from inside your Node.js applications.",
      "confidence": "high"
    },
    {
      "field": "sdk_languages",
      "url": "https://developers.sinch.com/docs/sms/getting-started/dotnet-sdk/send-message",
      "excerpt": "Set up your .NET application",
      "confidence": "high"
    },
    {
      "field": "free_tier_details",
      "url": "https://sinch.com/messaging/sms-api/testing-sandbox/",
      "excerpt": "Test SMS integrations in minutes with a free texting sandbox",
      "confidence": "medium"
    },
    {
      "field": "name",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "The Sinch SMS REST API allows you to both send and receive SMS messages.",
      "confidence": "high"
    },
    {
      "field": "iso_27001",
      "url": "https://trust.sinch.com/",
      "excerpt": "ISO 27001:2022",
      "confidence": "high"
    },
    {
      "field": "iso_27001",
      "url": "https://sinch.com/blog/building-trust-with-iso-27001-certification/",
      "excerpt": "Sinch have been awarded ISO 27001 certification. Our voice, video, and operator software are now fully compliant with the standard.",
      "confidence": "high"
    },
    {
      "field": "webhooks_supported",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks/deliveryreport",
      "excerpt": "A delivery report contains the status and status code for each recipient of a batch. To get a delivery report callback for a message or batch of messages, set",
      "confidence": "high"
    },
    {
      "field": "free_tier_available",
      "url": "https://sinch.com/pricing/",
      "excerpt": "Our pay-as-you-go pricing for SMS offers the transparency, flexibility, and competitiveness you need to take your communications to the next level.",
      "confidence": "high"
    },
    {
      "field": "minimum_commitment",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "supported_regions",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "If you are in the US region, you are also able to send and receive",
      "confidence": "medium"
    },
    {
      "field": "known_restrictions",
      "url": "https://developers.sinch.com/docs/sms/resources/message-info/rate-limits",
      "excerpt": "The rate limit is calculated from all messages sent via the API. For example, a batch with 10 recipients will count as 10 messages for rate",
      "confidence": "high"
    },
    {
      "field": "known_restrictions",
      "url": "https://developers.sinch.com/docs/sms/resources/message-info/character-support",
      "excerpt": "You can send up to 160 characters in a single SMS message if all characters in your message are part of the GSM 7-bit character set",
      "confidence": "high"
    },
    {
      "field": "gdpr",
      "url": "https://trust.sinch.com/",
      "excerpt": "gdpr",
      "confidence": "high"
    },
    {
      "field": "website_url",
      "url": "https://sinch.com/messaging/sms-api/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "primary_use_cases",
      "url": "https://sinch.com/messaging/sms-api/",
      "excerpt": "Need a reliable SMS API? With Sinch Conversation API, you can easily send secure, reliable, and compliant SMS messages worldwide.",
      "confidence": "medium"
    },
    {
      "field": "supported_actions",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "supported_actions",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/delivery-reports",
      "excerpt": "The REST API uses message statuses and error codes in delivery reports, which refer to the state of the batch and can be present in either Retrieve a delivery",
      "confidence": "high"
    },
    {
      "field": "hipaa",
      "url": "https://sinch.com/legal/policies-statements/other-sinch-policies-statements/hipaa/",
      "excerpt": "Sinch has product level business associate agreements (BAA), which is an addendum to our standard Terms of Service.",
      "confidence": "high"
    },
    {
      "field": "soc2",
      "url": "https://trust.sinch.com/",
      "excerpt": "SOC 2 Type I",
      "confidence": "high"
    },
    {
      "field": "mcp_server_available",
      "url": "https://sinch.com/news/sinch-pioneers-next-generation-ai-communications-with-model-context-protocol-implementation/",
      "excerpt": "Model Context Protocol provides a standardized way for AI agents to discover and execute actions across various systems and services.",
      "confidence": "high"
    },
    {
      "field": "pricing_model",
      "url": "https://sinch.com/pricing/",
      "excerpt": "Our pay-as-you-go pricing for SMS offers the transparency, flexibility, and competitiveness you need to take your communications to the next level.",
      "confidence": "high"
    },
    {
      "field": "has_published_pricing",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "SMS Messaging ; 10DLC · Monthly fee. $1.00. Per month. Carrier fees apply ; Toll Free Numbers · Monthly fee. $2.00. Per month. Carrier fees apply",
      "confidence": "high"
    },
    {
      "field": "enterprise_plan_available",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "SMS Messaging ; 10DLC · Monthly fee. $1.00. Per month. Carrier fees apply ; Toll Free Numbers · Monthly fee. $2.00. Per month. Carrier fees apply",
      "confidence": "medium"
    },
    {
      "field": "input_types",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sandbox_available",
      "url": "https://sinch.com/messaging/sms-api/testing-sandbox/",
      "excerpt": "Test SMS integrations in minutes with a free texting sandbox",
      "confidence": "high"
    },
    {
      "field": "webhook_events_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks",
      "excerpt": "Sinch SMS API is one of the easiest APIs we offer and enables you to add fast and reliable global SMS to your applications. Send single messages, scheduled",
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "Monthly Fee $0.00 per month SMS Messaging 10DLC ・ $0.0078 Per outbound message. $0.0078 Per inbound message.",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/secure-webhook-endpoints-with-hmac",
      "excerpt": "We recommend to verify the HMAC code received with every event in your event handler. X-Sinch-Signature header.",
      "confidence": "medium"
    },
    {
      "field": "fields_not_found",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/data-processing-agreement/",
      "excerpt": "Established a data retention policy, which clearly defines the specific types of data that will be collected, how long it will be retained, and when it will be",
      "confidence": "medium"
    },
    {
      "field": "starting_price_usd",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "Monthly Fee $0.00 per month SMS Messaging 10DLC ・ $0.0078 Per outbound message. $0.0078 Per inbound message.",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks/incomingsms",
      "excerpt": "Basic authentication is the simplest form of authentication. It enables access to the SMS API via a username and password. Basic Auth can be utilised in a",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "medium"
    },
    {
      "field": "api_style",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "high"
    },
    {
      "field": "notable_customers",
      "url": "https://sinch.com/customer-stories/",
      "excerpt": "Read real case studies on how organizations keep customers engaged, informed, safe, and happy with Sinch APIs and applications.",
      "confidence": "medium"
    },
    {
      "field": "mcp_url",
      "url": "https://community.sinch.com/t5/Developer-Blog/Using-the-Sinch-MCP-Server/ba-p/18524",
      "excerpt": "Model Context Protocol (MCP) is like the USB-C standard for AI ... The MCP server can be used with any MCP client, but for this blog",
      "confidence": "high"
    },
    {
      "field": "ga_date",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "medium"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/data-processing-agreement/",
      "excerpt": "Established a data retention policy, which clearly defines the specific types of data that will be collected, how long it will be retained, and when it will be",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://developers.sinch.com/docs/sms/resources/message-info/rate-limits",
      "excerpt": "Each service plan comes with a rate limit which sets the maximum number of messages that can be sent per second. The rate limit is calculated",
      "confidence": "high"
    },
    {
      "field": "deprecation_policy_url",
      "url": "https://community.sinch.com/t5/SMS/Deprecation-of-Legacy-Sinch-SDK-for-Java-SMS/ta-p/18122",
      "excerpt": "As of April 15, 2025, the Legacy Sinch SDK (com.sinch.sdk-sms) for Java is no longer supported.",
      "confidence": "medium"
    },
    {
      "field": "auth_methods",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-node",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-java",
      "excerpt": "Here you'll find documentation related to the Sinch Java SDK, including how to install it, initialize it, and start developing Java code using Sinch services.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://www.npmjs.com/package/@sinch/sdk-core",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://www.nuget.org/packages/Sinch",
      "excerpt": "Here you'll find documentation related to the Sinch .NET SDK, including how to install it, initialize it, and start developing .NET code using Sinch services.",
      "confidence": "high"
    },
    {
      "field": "mcp_server_available",
      "url": "https://github.com/sinch/sinch-mcp-server",
      "excerpt": "This repository contains the source code for the Sinch MCP server, which provides a set of tools to interact with the Sinch APIs.",
      "confidence": "high"
    },
    {
      "field": "pci_dss",
      "url": "https://trust.sinch.com/",
      "excerpt": "pci",
      "confidence": "medium"
    },
    {
      "field": "pricing_model",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "SMS Messaging ; 10DLC · Monthly fee. $1.00. Per month. Carrier fees apply ; Toll Free Numbers · Monthly fee. $2.00. Per month. Carrier fees apply",
      "confidence": "high"
    },
    {
      "field": "requires_sales_call",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "enterprise_plan_available",
      "url": "https://sinch.com/engage/pricing/",
      "excerpt": "Custom Enterprise Plans for high-volume senders. All the power of Engage, plus white-glove onboarding, 24/7 priority support, and flexible pricing.",
      "confidence": "medium"
    },
    {
      "field": "input_types",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "The Sinch SMS REST API allows you to both send and receive SMS messages.",
      "confidence": "high"
    },
    {
      "field": "sandbox_available",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden ; Australia Production, https://au.sms.api.sinch.com, Australia ; Brazil",
      "confidence": "medium"
    },
    {
      "field": "free_tier_limit",
      "url": "https://sinch.com/engage/pricing/",
      "excerpt": "Yes, we offer a free 14-day limited free trial (no credit card required) so you can explore the platform and send test messages to yourself.",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/hmac-verification",
      "excerpt": "We recommend to configure an HMAC secret for your project using the callback configuration. Then, when sending the number events, the HTTP POST requests will",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_window",
      "url": "https://developers.sinch.com/docs/sms/resources/message-info/rate-limits",
      "excerpt": "Each service plan comes with a rate limit which sets the maximum number of messages that can be sent per second. The rate limit is calculated",
      "confidence": "high"
    },
    {
      "field": "versioning_scheme",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden ; Australia Production, https://au.sms.api.sinch.com, Australia ; Brazil",
      "confidence": "medium"
    },
    {
      "field": "auth_docs_url",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "price_basis",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "$0.0078 Per outbound message. $0.0078 Per inbound message.",
      "confidence": "high"
    },
    {
      "field": "api_style",
      "url": "https://developers.sinch.com/docs/sms/sdks",
      "excerpt": "For developers integrating SMS functionality into their app, Sinch SDKs provide a convenient alternative to the SMS REST API.",
      "confidence": "high"
    },
    {
      "field": "idempotency_supported",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "low"
    },
    {
      "field": "mcp_url",
      "url": "https://github.com/sinch/sinch-mcp-server",
      "excerpt": "This repository contains the source code for the Sinch MCP server, which provides a set of tools to interact with the Sinch APIs.",
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://sinch.com/news/sinch-pioneers-next-generation-ai-communications-with-model-context-protocol-implementation/",
      "excerpt": "Model Context Protocol provides a standardized way for AI agents to discover and execute actions across various systems and services.",
      "confidence": "high"
    },
    {
      "field": "stability",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/messaging-service-level-agreement-sla/",
      "excerpt": "This Service Level Agreement (“SLA”) is part of an agreement for certain SINCH Services (“Agreement”) between SINCH and Customer and apply solely to the",
      "confidence": "medium"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://sinch.com/legal/conversation-api/",
      "excerpt": "Data Retention. Sinch's standard retention period for conversation data is 7 days. Customer can change data retention periods in the Sinch Dashboard",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://drdroid.io/integration-diagnosis-knowledge/sinch-message-throttling",
      "excerpt": "Sinch employs rate limiting to manage the flow of messages. This involves setting a maximum number of messages that can be sent per second or minute.",
      "confidence": "high"
    },
    {
      "field": "quickstart_url",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks/incomingsms",
      "excerpt": "Basic authentication is the simplest form of authentication. It enables access to the SMS API via a username and password. Basic Auth can be utilised in a",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://developers.sinch.com/docs/sms/sdks",
      "excerpt": "For developers integrating SMS functionality into their app, Sinch SDKs provide a convenient alternative to the SMS REST API.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-python",
      "excerpt": "Here you'll find documentation related to the Sinch Python SDK, including how to install it, initialize it, and start developing Python code using Sinch",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-dotnet",
      "excerpt": "Here you'll find documentation related to the Sinch .NET SDK, including how to install it, initialize it, and start developing .NET code using Sinch services.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://mvnrepository.com/artifact/com.sinch.sdk/sinch-sdk-java",
      "excerpt": "SDK providing a Java API for the Sinch REST APIs.",
      "confidence": "high"
    },
    {
      "field": "error_format",
      "url": "https://developers.sinch.com/docs/sms/api-reference/status-codes",
      "excerpt": "Generally, a 2xx code indicates success. Codes in the 4xx range indicate an error due to information you provided in the request.",
      "confidence": "medium"
    },
    {
      "field": "error_format",
      "url": "https://developers.sinch.com/docs/sms/smpp/error-codes",
      "excerpt": "Status reports error codes. The error codes are provided in status reports according to the SMPP Protocol Specification v3.4",
      "confidence": "medium"
    },
    {
      "field": "sla_url",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/messaging-service-level-agreement-sla/",
      "excerpt": "This Service Level Agreement (“SLA”) is part of an agreement for certain SINCH Services (“Agreement”) between SINCH and Customer and apply solely to the",
      "confidence": "high"
    },
    {
      "field": "launched_at",
      "url": "https://scaleviewpartners.com/founders-hub/sinch-buying-your-way-to-a-2b-category-leader/",
      "excerpt": "Sinch was founded in 2014 after the technology team was spun out",
      "confidence": "medium"
    },
    {
      "field": "webhook_signing",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/hmac-verification",
      "excerpt": "We recommend to configure an HMAC secret for your project using the callback configuration. Then, when sending the number events, the HTTP POST requests will",
      "confidence": "medium"
    },
    {
      "field": "error_format",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/delivery-reports/delivery-report-error-codes",
      "excerpt": "Sinch SMS API is one of the easiest APIs we offer and enables you to add ... 164 format for each status code. Security View security details. BearerAuth.",
      "confidence": "medium"
    },
    {
      "field": "launched_at",
      "url": "https://en.wikipedia.org/wiki/Sinch_AB",
      "excerpt": "Sinch was initially founded in May 2014 [47] by Andreas Bernström in Stockholm and San Francisco. Originally the technology behind Rebtel, Sinch was spu",
      "confidence": "medium"
    },
    {
      "field": "webhook_signing",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/secure-webhook-endpoints-with-hmac",
      "excerpt": "We recommend to verify the HMAC code received with every event in your event handler. X-Sinch-Signature header.",
      "confidence": "medium"
    },
    {
      "field": "webhook_signing",
      "url": "https://developers.sinch.com/docs/conversation/callbacks",
      "excerpt": "The callbacks are signed with the webhook secret if such is provided. The signature can be used to verify the authenticity and integrity of the",
      "confidence": "medium"
    },
    {
      "field": "webhook_events_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks",
      "excerpt": "Sinch SMS API is one of the easiest APIs we offer and enables you to add fast and reliable global SMS to your applications. Send single messages, scheduled",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden ; Australia Production, https://au.sms.api.sinch.com, Australia ; Brazil",
      "confidence": "medium"
    },
    {
      "field": "free_tier_limit",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "Monthly Fee $0.00 per month SMS Messaging 10DLC ・ $0.0078 Per outbound message. $0.0078 Per inbound message.",
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://sinch.com/engage/pricing/",
      "excerpt": "Yes, we offer a free 14-day limited free trial (no credit card required) so you can explore the platform and send test messages to yourself.",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/secure-webhook-endpoints-with-hmac",
      "excerpt": "We recommend to verify the HMAC code received with every event in your event handler. X-Sinch-Signature header.",
      "confidence": "medium"
    },
    {
      "field": "fields_not_found",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/hmac-verification",
      "excerpt": "We recommend to configure an HMAC secret for your project using the callback configuration. Then, when sending the number events, the HTTP POST requests will",
      "confidence": "medium"
    },
    {
      "field": "fields_not_found",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/data-processing-agreement/",
      "excerpt": "Established a data retention policy, which clearly defines the specific types of data that will be collected, how long it will be retained, and when it will be",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_window",
      "url": "https://developers.sinch.com/docs/sms/resources/message-info/rate-limits",
      "excerpt": "Each service plan comes with a rate limit which sets the maximum number of messages that can be sent per second. The rate limit is calculated",
      "confidence": "high"
    },
    {
      "field": "starting_price_usd",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "Monthly Fee $0.00 per month SMS Messaging 10DLC ・ $0.0078 Per outbound message. $0.0078 Per inbound message.",
      "confidence": "high"
    },
    {
      "field": "versioning_scheme",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden ; Australia Production, https://au.sms.api.sinch.com, Australia ; Brazil",
      "confidence": "medium"
    },
    {
      "field": "auth_docs_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks/incomingsms",
      "excerpt": "Basic authentication is the simplest form of authentication. It enables access to the SMS API via a username and password. Basic Auth can be utilised in a",
      "confidence": "high"
    },
    {
      "field": "price_basis",
      "url": "https://sinch.com/pricing/sms/",
      "excerpt": "$0.0078 Per outbound message. $0.0078 Per inbound message.",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "medium"
    },
    {
      "field": "api_style",
      "url": "https://developers.sinch.com/docs/sms/sdks",
      "excerpt": "For developers integrating SMS functionality into their app, Sinch SDKs provide a convenient alternative to the SMS REST API.",
      "confidence": "high"
    },
    {
      "field": "api_style",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "high"
    },
    {
      "field": "idempotency_supported",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "low"
    },
    {
      "field": "notable_customers",
      "url": "https://sinch.com/customer-stories/",
      "excerpt": "Read real case studies on how organizations keep customers engaged, informed, safe, and happy with Sinch APIs and applications.",
      "confidence": "medium"
    },
    {
      "field": "mcp_url",
      "url": "https://github.com/sinch/sinch-mcp-server",
      "excerpt": "This repository contains the source code for the Sinch MCP server, which provides a set of tools to interact with the Sinch APIs.",
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://community.sinch.com/t5/Developer-Blog/Using-the-Sinch-MCP-Server/ba-p/18524",
      "excerpt": "Model Context Protocol (MCP) is like the USB-C standard for AI ... The MCP server can be used with any MCP client, but for this blog",
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://sinch.com/news/sinch-pioneers-next-generation-ai-communications-with-model-context-protocol-implementation/",
      "excerpt": "Model Context Protocol provides a standardized way for AI agents to discover and execute actions across various systems and services.",
      "confidence": "high"
    },
    {
      "field": "ga_date",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "medium"
    },
    {
      "field": "stability",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/messaging-service-level-agreement-sla/",
      "excerpt": "This Service Level Agreement (“SLA”) is part of an agreement for certain SINCH Services (“Agreement”) between SINCH and Customer and apply solely to the",
      "confidence": "medium"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/data-processing-agreement/",
      "excerpt": "Established a data retention policy, which clearly defines the specific types of data that will be collected, how long it will be retained, and when it will be",
      "confidence": "medium"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://sinch.com/legal/conversation-api/",
      "excerpt": "Data Retention. Sinch's standard retention period for conversation data is 7 days. Customer can change data retention periods in the Sinch Dashboard",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://developers.sinch.com/docs/sms/resources/message-info/rate-limits",
      "excerpt": "Each service plan comes with a rate limit which sets the maximum number of messages that can be sent per second. The rate limit is calculated",
      "confidence": "high"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://drdroid.io/integration-diagnosis-knowledge/sinch-message-throttling",
      "excerpt": "Sinch employs rate limiting to manage the flow of messages. This involves setting a maximum number of messages that can be sent per second or minute.",
      "confidence": "high"
    },
    {
      "field": "deprecation_policy_url",
      "url": "https://community.sinch.com/t5/SMS/Deprecation-of-Legacy-Sinch-SDK-for-Java-SMS/ta-p/18122",
      "excerpt": "As of April 15, 2025, the Legacy Sinch SDK (com.sinch.sdk-sms) for Java is no longer supported.",
      "confidence": "medium"
    },
    {
      "field": "quickstart_url",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://developers.sinch.com/docs/sms/getting-started",
      "excerpt": "You need an API Token and Service Plan ID, which are used to authenticate calls when using the SMS API. These tokens are created automatically",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/webhooks/incomingsms",
      "excerpt": "Basic authentication is the simplest form of authentication. It enables access to the SMS API via a username and password. Basic Auth can be utilised in a",
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://developers.sinch.com/docs/sms/api-reference",
      "excerpt": "Base URL ; EU Production, https://eu.sms.api.sinch.com, Ireland, Sweden",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://developers.sinch.com/docs/sms/sdks",
      "excerpt": "For developers integrating SMS functionality into their app, Sinch SDKs provide a convenient alternative to the SMS REST API.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-node",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-python",
      "excerpt": "Here you'll find documentation related to the Sinch Python SDK, including how to install it, initialize it, and start developing Python code using Sinch",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-java",
      "excerpt": "Here you'll find documentation related to the Sinch Java SDK, including how to install it, initialize it, and start developing Java code using Sinch services.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/sinch/sinch-sdk-dotnet",
      "excerpt": "Here you'll find documentation related to the Sinch .NET SDK, including how to install it, initialize it, and start developing .NET code using Sinch services.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://www.npmjs.com/package/@sinch/sdk-core",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://mvnrepository.com/artifact/com.sinch.sdk/sinch-sdk-java",
      "excerpt": "SDK providing a Java API for the Sinch REST APIs.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://www.nuget.org/packages/Sinch",
      "excerpt": "Here you'll find documentation related to the Sinch .NET SDK, including how to install it, initialize it, and start developing .NET code using Sinch services.",
      "confidence": "high"
    },
    {
      "field": "error_format",
      "url": "https://developers.sinch.com/docs/sms/api-reference/status-codes",
      "excerpt": "Generally, a 2xx code indicates success. Codes in the 4xx range indicate an error due to information you provided in the request.",
      "confidence": "medium"
    },
    {
      "field": "error_format",
      "url": "https://developers.sinch.com/docs/sms/smpp/error-codes",
      "excerpt": "Status reports error codes. The error codes are provided in status reports according to the SMPP Protocol Specification v3.4",
      "confidence": "medium"
    },
    {
      "field": "error_format",
      "url": "https://developers.sinch.com/docs/sms/api-reference/sms/delivery-reports/delivery-report-error-codes",
      "excerpt": "Sinch SMS API is one of the easiest APIs we offer and enables you to add ... 164 format for each status code. Security View security details. BearerAuth.",
      "confidence": "medium"
    },
    {
      "field": "sla_url",
      "url": "https://sinch.com/legal/terms-and-conditions/other-sinch-terms-conditions/messaging-service-level-agreement-sla/",
      "excerpt": "This Service Level Agreement (“SLA”) is part of an agreement for certain SINCH Services (“Agreement”) between SINCH and Customer and apply solely to the",
      "confidence": "high"
    },
    {
      "field": "launched_at",
      "url": "https://en.wikipedia.org/wiki/Sinch_AB",
      "excerpt": "Sinch was initially founded in May 2014 [47] by Andreas Bernström in Stockholm and San Francisco. Originally the technology behind Rebtel, Sinch was spu",
      "confidence": "medium"
    },
    {
      "field": "launched_at",
      "url": "https://scaleviewpartners.com/founders-hub/sinch-buying-your-way-to-a-2b-category-leader/",
      "excerpt": "Sinch was founded in 2014 after the technology team was spun out",
      "confidence": "medium"
    },
    {
      "field": "webhook_signing",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/secure-webhook-endpoints-with-hmac",
      "excerpt": "We recommend to verify the HMAC code received with every event in your event handler. X-Sinch-Signature header.",
      "confidence": "medium"
    },
    {
      "field": "webhook_signing",
      "url": "https://developers.sinch.com/docs/numbers/api-reference/imported-hosting/imported-numbers-and-hosting-orders-callbacks/hmac-verification",
      "excerpt": "We recommend to configure an HMAC secret for your project using the callback configuration. Then, when sending the number events, the HTTP POST requests will",
      "confidence": "medium"
    },
    {
      "field": "webhook_signing",
      "url": "https://developers.sinch.com/docs/conversation/callbacks",
      "excerpt": "The callbacks are signed with the webhook secret if such is provided. The signature can be used to verify the authenticity and integrity of the",
      "confidence": "medium"
    }
  ],
  "fields_not_found": [
    "ga_date",
    "idempotency_supported",
    "deprecation_policy_url",
    "data_retention_policy_url",
    "webhook_signing (HMAC confirmed for SMS webhooks but exact hash algorithm not explicitly stated for SMS; HMAC-SHA1 documented for Numbers API webhooks as Sinch standard)"
  ],
  "source_confidence": "high",
  "last_verified_at": "2026-06-10T00:00:00.000Z",
  "contribute": {
    "note": "This data is crowd-editable. Suggest corrections or leave a review via these endpoints - no auth required, requests are rate-limited, and every submission is reviewed before it goes live. For a field edit, {field} is any key in this response and a citation is required.",
    "endpoints": [
      {
        "action": "review",
        "label": "Leave a review or comment",
        "method": "POST",
        "url": "https://apio.sh/api/feedback/sinch-sms",
        "example_body": {
          "kind": "review",
          "rating": 5,
          "body": "Your experience with this API…"
        }
      },
      {
        "action": "field_edit",
        "label": "Suggest a correction to a field (cite a source)",
        "method": "POST",
        "url": "https://apio.sh/api/suggest/sinch-sms/{field}",
        "example_body": {
          "value": "corrected value",
          "citations": [
            {
              "url": "https://source.example/page",
              "excerpt": "supporting quote"
            }
          ],
          "note": "what changed and why"
        }
      },
      {
        "action": "new_api",
        "label": "Suggest a new API to add",
        "method": "POST",
        "url": "https://apio.sh/api/suggest/api",
        "example_body": {
          "value": {
            "name": "Acme API",
            "website_url": "https://acme.example"
          },
          "citations": [
            {
              "url": "https://acme.example"
            }
          ]
        }
      },
      {
        "action": "token",
        "label": "Optional - raise your rate limit",
        "method": "GET",
        "url": "https://apio.sh/api/feedback/token"
      }
    ]
  }
}