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      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API for determining the validity and other details of email",
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://www.abstractapi.com/legal/dpa",
      "excerpt": "ata Protection Laws” means EU Data Protection Laws and, to the extent applicable, the data protection or privacy laws of any other country.",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://www.abstractapi.com/guides/alternatives-to/whoisxmlapi-email-verification-api-alternatives",
      "excerpt": "Starter Plan - $19/month: Includes 10,000 API calls per month, 3 requests per second, and domain whitelisting.",
      "confidence": "high"
    },
    {
      "field": "quickstart_url",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "auth_methods",
      "url": "https://docs.abstractapi.com/api/ip-intelligence",
      "excerpt": "Your API key is your unique authentication key to be used to access Abstract's IP Intelligence API. Note that each of Abstract's APIs has a unique API key",
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://github.com/orhun/abstractapi-rs/blob/master/README.md",
      "excerpt": "APIs abstractapi-rs is compatible with v1 versions of the following API's that Abstract provides.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/abstractapi/python-email-validation",
      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API for determining the validity and other details of email",
      "confidence": "medium"
    },
    {
      "field": "sdk_packages",
      "url": "https://www.npmjs.com/package/@abstractapi/javascript-email-validation",
      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API for determining the validity and other",
      "confidence": "medium"
    },
    {
      "field": "error_format",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "launched_at",
      "url": "https://www.abstractapi.com/about",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://onesimpleapi.com/best/email-validation-apis",
      "excerpt": "Abstract API\n100/month",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "http://abstractapi.com/legal/legal",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "webhook_events_url",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": "Simple and transparent pricing ; Free. Assess email risk and reputation. $0. / month ; Starter. Validate emails & ensure deliverability. $17. / month",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "rate_limit_window",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "starting_price_usd",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": "Starter. Validate emails & ensure deliverability. $17. / month",
      "confidence": "medium"
    },
    {
      "field": "starting_price_usd",
      "url": "https://www.abstractapi.com/guides/alternatives-to/whoisxmlapi-email-verification-api-alternatives",
      "excerpt": "Starter Plan - $19/month: Includes 10,000 API calls per month, 3 requests per second, and domain whitelisting.",
      "confidence": "medium"
    },
    {
      "field": "versioning_scheme",
      "url": "https://github.com/orhun/abstractapi-rs/blob/master/README.md",
      "excerpt": "APIs abstractapi-rs is compatible with v1 versions of the following API's that Abstract provides.",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://docs.abstractapi.com/api/ip-intelligence",
      "excerpt": "Your API key is your unique authentication key to be used to access Abstract's IP Intelligence API. Note that each of Abstract's APIs has a unique API key",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "http://abstractapi.com/legal/legal",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "api_style",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "idempotency_supported",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://pypi.org/project/email-verify-mcp-server/",
      "excerpt": "A lightweight Model Context Protocol (MCP) server that enables your LLM to validate email addresses.",
      "confidence": "high"
    },
    {
      "field": "ga_date",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "stability",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "http://abstractapi.com/legal/legal",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "deprecation_policy_url",
      "url": "http://abstractapi.com/legal/legal",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/abstractapi/javascript-email-validation",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/abstractapi/php-email-validation",
      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API for determining the validity and other details of email",
      "confidence": "medium"
    },
    {
      "field": "sdk_packages",
      "url": "https://pypi.org/pypi/abstract-python-email-validation/json",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "sla_url",
      "url": "http://abstractapi.com/legal/legal",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "launched_at",
      "url": "https://tracxn.com/d/companies/abstractapi/__MOe4hx9wPFFYTXH05nFzWHoLHBTS4PYB6uf_hXnebiI",
      "excerpt": "Abstract API is an unfunded company based in San Francisco (United States), founded in 2020 by Peter Fenster.",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://tracxn.com/d/companies/abstractapi/__MOe4hx9wPFFYTXH05nFzWHoLHBTS4PYB6uf_hXnebiI",
      "excerpt": "Abstract API is an unfunded company based in San Francisco (United States), founded in 2020 by Peter Fenster.",
      "confidence": "high"
    },
    {
      "field": "rate_limit_window",
      "url": "https://www.abstractapi.com/guides/alternatives-to/whoisxmlapi-email-verification-api-alternatives",
      "excerpt": "Starter Plan - $19/month: Includes 10,000 API calls per month, 3 requests per second, and domain whitelisting.",
      "confidence": "high"
    },
    {
      "field": "starting_price_usd",
      "url": "https://www.abstractapi.com/api/email-reputation-api",
      "excerpt": "Starter. Validate emails & ensure deliverability. $17. / month",
      "confidence": "medium"
    },
    {
      "field": "versioning_scheme",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "price_basis",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": "Starter. Validate emails & ensure deliverability. $17. / month",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "api_style",
      "url": "https://github.com/abstractapi/php-email-validation",
      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API",
      "confidence": "high"
    },
    {
      "field": "notable_customers",
      "url": "https://www.abstractapi.com/api/email-verification-validation-api",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "mcp_url",
      "url": "https://github.com/abstractapi",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "ga_date",
      "url": "https://www.abstractapi.com/about",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "stability",
      "url": "https://github.com/abstractapi/php-email-validation",
      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API for determining the validity and other details of email",
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://www.abstractapi.com/legal/dpa",
      "excerpt": "ata Protection Laws” means EU Data Protection Laws and, to the extent applicable, the data protection or privacy laws of any other country.",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://www.abstractapi.com/guides/alternatives-to/whoisxmlapi-email-verification-api-alternatives",
      "excerpt": "Starter Plan - $19/month: Includes 10,000 API calls per month, 3 requests per second, and domain whitelisting.",
      "confidence": "high"
    },
    {
      "field": "quickstart_url",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "auth_methods",
      "url": "https://docs.abstractapi.com/api/ip-intelligence",
      "excerpt": "Your API key is your unique authentication key to be used to access Abstract's IP Intelligence API. Note that each of Abstract's APIs has a unique API key",
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://github.com/orhun/abstractapi-rs/blob/master/README.md",
      "excerpt": "APIs abstractapi-rs is compatible with v1 versions of the following API's that Abstract provides.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/abstractapi/python-email-validation",
      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API for determining the validity and other details of email",
      "confidence": "medium"
    },
    {
      "field": "sdk_packages",
      "url": "https://www.npmjs.com/package/@abstractapi/javascript-email-validation",
      "excerpt": "Abstract's Email Validation and Verification API is a fast, lightweight, modern, and RESTful JSON API for determining the validity and other",
      "confidence": "medium"
    },
    {
      "field": "error_format",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "launched_at",
      "url": "https://www.abstractapi.com/about",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://docs.abstractapi.com/api/email-validation",
      "excerpt": null,
      "confidence": "high"
    }
  ],
  "fields_not_found": [
    "iso_27001",
    "pci_dss",
    "ga_date",
    "launched_at",
    "deprecation_policy_url",
    "idempotency_supported"
  ],
  "source_confidence": "high",
  "last_verified_at": "2026-06-06T00:00:00.000Z",
  "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/abstractapi-email",
        "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/abstractapi-email/{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 (only name is required - send as much as you can cite)",
        "method": "POST",
        "url": "https://apio.sh/api/suggest/api",
        "example_body": {
          "value": {
            "name": "Acme Email API",
            "website_url": "https://acme.example",
            "vendor_name": "Acme",
            "categories": [
              "email"
            ],
            "pricing_model": "usage_based",
            "has_published_pricing": true,
            "free_tier_available": true,
            "price_points": [
              {
                "plan": "Pay as you go",
                "item": "1,000 emails",
                "amount_usd": 1,
                "per": "1,000 emails",
                "source_url": "https://acme.example/pricing"
              }
            ],
            "soc2": "type_2",
            "docs_url": "https://docs.acme.example"
          },
          "citations": [
            {
              "url": "https://acme.example/pricing",
              "excerpt": "$1 per 1,000 emails"
            }
          ]
        },
        "value_schema": [
          {
            "field": "name",
            "type": "string",
            "label": "Product name (the only required field)"
          },
          {
            "field": "website_url",
            "type": "string",
            "label": "Marketing website URL"
          },
          {
            "field": "vendor_name",
            "type": "string",
            "label": "Company/vendor name behind the product"
          },
          {
            "field": "vendor_description",
            "type": "string",
            "label": "One-line description, quoted from the vendor"
          },
          {
            "field": "categories",
            "type": "string[]",
            "label": "Category/leaf slugs it belongs to, e.g. [\"email\",\"sms\"]"
          },
          {
            "field": "primary_use_cases",
            "type": "string[]",
            "label": "What it's used for"
          },
          {
            "field": "supported_actions",
            "type": "string[]",
            "label": "Concrete API actions/capabilities"
          },
          {
            "field": "supported_regions",
            "type": "string[]",
            "label": "Countries/regions/data-residency"
          },
          {
            "field": "supported_languages",
            "type": "string[]",
            "label": "Human/spoken languages supported"
          },
          {
            "field": "input_types",
            "type": "string[]",
            "label": "Accepted input types/formats"
          },
          {
            "field": "output_types",
            "type": "string[]",
            "label": "Produced output types/formats"
          },
          {
            "field": "webhooks_supported",
            "type": "bool",
            "label": "Supports webhooks?"
          },
          {
            "field": "sandbox_available",
            "type": "bool",
            "label": "Dedicated sandbox/test mode?"
          },
          {
            "field": "sdk_languages",
            "type": "string[]",
            "label": "Languages with an official SDK"
          },
          {
            "field": "mcp_server_available",
            "type": "bool",
            "label": "Official MCP server?"
          },
          {
            "field": "pricing_model",
            "type": "enum",
            "label": "Pricing model",
            "values": [
              "usage_based",
              "subscription",
              "seat_based",
              "hybrid",
              "contact_sales"
            ]
          },
          {
            "field": "has_published_pricing",
            "type": "bool",
            "label": "Concrete prices published publicly?"
          },
          {
            "field": "free_tier_available",
            "type": "bool",
            "label": "Recurring/perpetual free tier (not a trial)?"
          },
          {
            "field": "free_tier_details",
            "type": "string",
            "label": "What the free tier includes"
          },
          {
            "field": "minimum_commitment",
            "type": "string",
            "label": "Any stated minimum spend/commitment"
          },
          {
            "field": "self_serve_signup",
            "type": "bool",
            "label": "Get an API key without talking to sales?"
          },
          {
            "field": "requires_sales_call",
            "type": "bool",
            "label": "Does going live require sales?"
          },
          {
            "field": "enterprise_plan_available",
            "type": "bool",
            "label": "Named enterprise tier?"
          },
          {
            "field": "starting_price_usd",
            "type": "number",
            "label": "Lowest published paid entry price (USD number)"
          },
          {
            "field": "price_basis",
            "type": "string",
            "label": "Unit the starting price is per, e.g. '1,000 emails'"
          },
          {
            "field": "free_tier_limit",
            "type": "string",
            "label": "Free-tier ceiling in literal terms"
          },
          {
            "field": "price_points",
            "type": "object[]",
            "label": "Structured prices: [{plan,item,amount_usd,amount_percent,per,source_url}]"
          },
          {
            "field": "soc2",
            "type": "enum",
            "label": "SOC 2 status",
            "values": [
              "type_2",
              "type_1",
              "in_progress",
              "none",
              "unknown"
            ]
          },
          {
            "field": "hipaa",
            "type": "bool",
            "label": "HIPAA (e.g. BAA available)?"
          },
          {
            "field": "gdpr",
            "type": "bool",
            "label": "GDPR compliance stated?"
          },
          {
            "field": "iso_27001",
            "type": "bool",
            "label": "ISO 27001 certified?"
          },
          {
            "field": "pci_dss",
            "type": "bool",
            "label": "PCI DSS compliant?"
          },
          {
            "field": "sla_published",
            "type": "bool",
            "label": "Published SLA / uptime commitment?"
          },
          {
            "field": "documented_rate_limits",
            "type": "string",
            "label": "Documented rate limits, quoted"
          },
          {
            "field": "known_restrictions",
            "type": "string[]",
            "label": "Notable documented restrictions/limits"
          },
          {
            "field": "auth_methods",
            "type": "string[]",
            "label": "Auth methods",
            "values": [
              "api_key",
              "oauth2",
              "jwt",
              "basic",
              "hmac_signature",
              "mtls",
              "session"
            ]
          },
          {
            "field": "api_style",
            "type": "enum",
            "label": "Primary API style",
            "values": [
              "rest",
              "graphql",
              "grpc",
              "soap",
              "websocket"
            ]
          },
          {
            "field": "base_url",
            "type": "string",
            "label": "API root/base URL"
          },
          {
            "field": "api_version",
            "type": "string",
            "label": "Current API version string"
          },
          {
            "field": "quickstart_url",
            "type": "string",
            "label": "Quickstart / hello-world URL"
          },
          {
            "field": "docs_url",
            "type": "string",
            "label": "Developer docs URL"
          },
          {
            "field": "api_reference_url",
            "type": "string",
            "label": "API reference URL"
          },
          {
            "field": "openapi_spec_url",
            "type": "string",
            "label": "OpenAPI spec URL"
          },
          {
            "field": "changelog_url",
            "type": "string",
            "label": "Changelog URL"
          },
          {
            "field": "status_page_url",
            "type": "string",
            "label": "Status page URL"
          },
          {
            "field": "notable_customers",
            "type": "string[]",
            "label": "Named public customers"
          },
          {
            "field": "launched_at",
            "type": "string",
            "label": "Launch date (ISO date or year)"
          }
        ]
      },
      {
        "action": "token",
        "label": "Optional - raise your rate limit",
        "method": "GET",
        "url": "https://apio.sh/api/feedback/token"
      }
    ]
  }
}