{
  "name": "Lob Address Verification",
  "slug": "lob-av",
  "website_url": "https://www.lob.com/products/address-verification",
  "vendor_description": "\"Avoid mail missteps and make failed deliveries a thing of the past.\"",
  "categories": [
    "address-validation"
  ],
  "summary": "Lob Address Verification is a REST API for validating, standardizing, and autocompleting postal addresses, covering all US territories through USPS CASS Cycle O certification and 240+ international territories. It targets developers and businesses needing real-time checkout validation, bulk mailing list hygiene, or CRM data cleansing. Pricing starts at $0.025 per 1,000 lookups with a free tier of 300 live US verifications per month and unlimited sandbox requests, plus enterprise plans via sales. The API ships official SDKs for eight languages and holds SOC 2 Type II, HIPAA, GDPR, and ISO 27001 certifications.",
  "capabilities": {
    "supported_actions": [
      "verify_address",
      "autocomplete",
      "bulk_verify",
      "reverse_geocode",
      "zip_lookup",
      "dpv_check",
      "standardize",
      "international_verify",
      "av_elements"
    ],
    "supported_regions": [
      "United States (all 50 states, DC, Puerto Rico, US Virgin Islands, Guam, American Samoa, Armed Forces APO/FPO)",
      "240+ global territories (international verification)",
      "USPS CASS Cycle O certified"
    ],
    "supported_languages": [
      "English (default)",
      "Native language output via x-lang-output parameter (configurable transliteration)"
    ],
    "input_types": [
      "structured address components (recipient, street address, city, state, ZIP code, country)",
      "partial address string (for autocomplete)",
      "latitude/longitude coordinates (for reverse geocode)",
      "ZIP code (for zip lookup)"
    ],
    "output_types": [
      "standardized address",
      "deliverability/validity codes",
      "DPV flags (dpv_active)",
      "CMRA flags",
      "geocode (latitude/longitude)",
      "carrier route",
      "delivery point barcode",
      "Lob confidence score (0-100)",
      "vacancy status",
      "building type",
      "county",
      "residential/business indicator",
      "coverage level (international)",
      "JSON"
    ],
    "webhooks_supported": false,
    "sandbox_available": true,
    "sdk_languages": [
      "TypeScript/Node.js",
      "Python",
      "Ruby",
      "PHP",
      "Java",
      "C#/.NET",
      "Go",
      "Elixir"
    ],
    "mcp_server_available": false
  },
  "integration": {
    "api_style": "rest",
    "base_url": "https://api.lob.com/v1",
    "api_version": "1.22.0",
    "versioning_scheme": "url",
    "stability": "ga",
    "deprecation_policy_url": null,
    "auth_methods": [
      "basic"
    ],
    "auth_docs_url": "https://help.lob.com/account-management/api-keys",
    "idempotency_supported": true,
    "error_format": "vendor-specific",
    "webhook_signing": "HMAC-SHA256",
    "webhook_events_url": "https://docs.lob.com/#tag/Webhooks",
    "rate_limit_requests": 300,
    "rate_limit_window": "5 seconds",
    "sdk_packages": [
      {
        "package": "@lob/lob-typescript-sdk",
        "language": "TypeScript/Node.js",
        "official": true,
        "repo_url": "https://github.com/lob/lob-typescript-sdk"
      },
      {
        "package": "lob_python",
        "language": "Python",
        "official": true,
        "repo_url": "https://github.com/lob/lob-python"
      },
      {
        "package": "lob",
        "language": "Ruby",
        "official": true,
        "repo_url": "https://github.com/lob/lob-ruby"
      },
      {
        "package": "lob/lob-php",
        "language": "PHP",
        "official": true,
        "repo_url": "https://github.com/lob/lob-php"
      },
      {
        "package": "lob-java",
        "language": "Java",
        "official": true,
        "repo_url": "https://github.com/lob/lob-java"
      },
      {
        "package": "lob.dotnet",
        "language": "C#/.NET",
        "official": true,
        "repo_url": "https://github.com/lob/lob-dotnet"
      },
      {
        "package": null,
        "language": "Go",
        "official": true,
        "repo_url": "https://github.com/lob/lob-go"
      },
      {
        "package": null,
        "language": "Elixir",
        "official": true,
        "repo_url": "https://github.com/lob/lob-elixir"
      }
    ],
    "mcp_url": null,
    "quickstart_url": "https://help.lob.com/developer-docs/api-quickstart-guide"
  },
  "pricing": {
    "pricing_model": "hybrid",
    "has_published_pricing": true,
    "starting_price_usd": "0.0250",
    "price_basis": "1,000 lookups",
    "free_tier_available": true,
    "free_tier_limit": "300 live US verification requests/month without payment method; unlimited test-mode requests",
    "free_tier_details": "Developer plan: 300 free live US address verification API requests per month at no cost; international verification not included in Developer free tier.",
    "minimum_commitment": null,
    "self_serve_signup": true,
    "requires_sales_call": false,
    "requires_verification": true,
    "enterprise_plan_available": true,
    "price_points": [
      {
        "plan": "Developer",
        "item": "US address verifications (overage beyond 300 free/month, monthly billing)",
        "amount_usd": "0.0500",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Developer",
        "item": "US address verifications (overage, annual billing)",
        "amount_usd": "0.0200",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "US address verifications bundle (1,000 lookups included), monthly",
        "amount_usd": "25.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "US address verifications bundle (1,000 lookups included), annual",
        "amount_usd": "20.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "US address verifications (overage beyond bundle, monthly)",
        "amount_usd": "0.0250",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "US address verifications (overage beyond bundle, annual)",
        "amount_usd": "0.0200",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "US address verifications bundle (10,000 lookups included), monthly",
        "amount_usd": "120.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "US address verifications bundle (10,000 lookups included), annual",
        "amount_usd": "100.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "US address verifications (overage beyond bundle, monthly)",
        "amount_usd": "0.0120",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "US address verifications (overage beyond bundle, annual)",
        "amount_usd": "0.0100",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "US address verifications bundle (50,000 lookups included), monthly",
        "amount_usd": "450.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "US address verifications bundle (50,000 lookups included), annual",
        "amount_usd": "390.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "US address verifications (overage beyond bundle, monthly)",
        "amount_usd": "0.0090",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "US address verifications (overage beyond bundle, annual)",
        "amount_usd": "0.0080",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Developer",
        "item": "International address verifications (per lookup, monthly billing)",
        "amount_usd": "0.0700",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "International address verifications bundle (500 lookups included), monthly",
        "amount_usd": "30.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "International address verifications bundle (500 lookups included), annual",
        "amount_usd": "25.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "International address verifications (overage beyond bundle, monthly)",
        "amount_usd": "0.0600",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Startup",
        "item": "International address verifications (overage beyond bundle, annual)",
        "amount_usd": "0.0500",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "International address verifications bundle (2,000 lookups included), monthly",
        "amount_usd": "115.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "International address verifications bundle (2,000 lookups included), annual",
        "amount_usd": "95.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "International address verifications (overage beyond bundle, monthly)",
        "amount_usd": "0.0580",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Business",
        "item": "International address verifications (overage beyond bundle, annual)",
        "amount_usd": "0.0480",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "International address verifications bundle (10,000 lookups included), monthly",
        "amount_usd": "550.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "International address verifications bundle (10,000 lookups included), annual",
        "amount_usd": "465.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "International address verifications (overage beyond bundle, monthly)",
        "amount_usd": "0.0550",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Growth",
        "item": "International address verifications (overage beyond bundle, annual)",
        "amount_usd": "0.0470",
        "amount_percent": null,
        "per": "lookup",
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      },
      {
        "plan": "Enterprise",
        "item": "US and international address verifications (custom pricing)",
        "amount_usd": null,
        "amount_percent": null,
        "per": null,
        "currency": "USD",
        "source_url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing"
      }
    ]
  },
  "compliance": {
    "soc2": "type_2",
    "hipaa": true,
    "gdpr": true,
    "iso_27001": true,
    "pci_dss": null,
    "sla_published": true,
    "sla_url": "https://www.lob.com/sla",
    "data_retention_policy_url": "https://help.lob.com/resources/data-retention",
    "documented_rate_limits": "Single address endpoints (US and international): 300 API calls per 5-second interval. US bulk verifications: 70 API calls per 10-second interval, maximum 20 addresses per call. International bulk verifications: 30 API calls per 10-second interval, maximum 20 addresses per call.",
    "known_restrictions": [
      "US autocomplete not available for non-US addresses (international autocomplete not yet released)",
      "Test API key returns only a sample address and does not actually verify addresses",
      "Developer free tier limited to 300 US verifications/month; no included international verifications",
      "International verification coverage depth varies by country",
      "Enterprise pricing requires contacting sales"
    ]
  },
  "developer": {
    "docs_url": "https://docs.lob.com",
    "api_reference_url": null,
    "openapi_spec_url": null,
    "postman_collection_url": null,
    "changelog_url": null,
    "status_page_url": "https://status.lob.com",
    "llms_txt_url": null,
    "markdown_docs_url": null,
    "rendering": "static"
  },
  "adoption": {
    "launched_at": "2013-01-01",
    "ga_date": "2017-05-31",
    "github_stars": null,
    "github_stars_at": null,
    "notable_customers": [
      "Current",
      "CareWell",
      "BlueChip Financial"
    ]
  },
  "scores": {
    "agent_friendliness": 40,
    "pricing_transparency": 100,
    "setup_speed": 100,
    "docs_quality": 15,
    "procurement_friction": 100,
    "trust_readiness": 90,
    "best_for": [
      "Prototypes and side projects - free to start, no sales call",
      "Regulated or enterprise workloads - compliance attestations and an enterprise plan",
      "Teams needing broad API coverage out of the box"
    ],
    "avoid_if": []
  },
  "sources": [
    {
      "field": "vendor_description",
      "url": "https://www.lob.com/products/address-verification",
      "excerpt": "Avoid mail missteps and make failed deliveries a thing of the past.",
      "confidence": "high"
    },
    {
      "field": "supported_regions",
      "url": "https://www.lob.com/products/address-verification",
      "excerpt": "International: Coverage across more than 240 global territories",
      "confidence": "high"
    },
    {
      "field": "sdk_languages",
      "url": "https://www.lob.com/products/address-verification",
      "excerpt": "CURL, TypeScript, Node, Ruby, Python, PHP, Java, Elixir, C#",
      "confidence": "high"
    },
    {
      "field": "sandbox_available",
      "url": "https://help.lob.com/account-management/api-keys",
      "excerpt": "Requests made with Test API key always validate request arguments, simulate live environment behavior, and enforce rate limits, but for verification services, will never verify addresses.",
      "confidence": "high"
    },
    {
      "field": "free_tier_available",
      "url": "https://help.lob.com/address-verification/av-faqs",
      "excerpt": "Lob offers 300 free live Address Verification API requests per month to the /v1/us_verifications endpoint. After the first 300 verification requests, you will begin receiving errors with status code 403.",
      "confidence": "high"
    },
    {
      "field": "pricing_model",
      "url": "https://www.lob.com/pricing/address-verification-domestic",
      "excerpt": "Developer Plan - US: $0.05 per additional verification; Startup Plan; Growth Plan; Enterprise Plan",
      "confidence": "high"
    },
    {
      "field": "has_published_pricing",
      "url": "https://www.lob.com/pricing/address-verification",
      "excerpt": "Developer Plan: Free; Startup Plan: $260/mo; Growth Plan: $550/mo; Enterprise Plan: Custom pricing",
      "confidence": "high"
    },
    {
      "field": "sla_published",
      "url": "https://www.lob.com/sla",
      "excerpt": "Lob commits to a monthly uptime threshold of 99.9%. If actual uptime falls below this level, customers become eligible for service credits ranging from 10-20% of their monthly recurring subscription fees.",
      "confidence": "high"
    },
    {
      "field": "soc2",
      "url": "https://www.lob.com/blog/what-certifications-should-you-look-for-in-a-direct-mail-provider",
      "excerpt": "At Lob, we hold SOC 2 Type II and HIPAA certifications.",
      "confidence": "high"
    },
    {
      "field": "hipaa",
      "url": "https://www.lob.com/blog/what-certifications-should-you-look-for-in-a-direct-mail-provider",
      "excerpt": "At Lob, we hold SOC 2 Type II and HIPAA certifications.",
      "confidence": "high"
    },
    {
      "field": "supported_regions",
      "url": "https://help.lob.com/address-verification/ready-to-start-av/us-av-product-suite",
      "excerpt": "Lob's Address Verification API validates over 156 million US domestic addresses using CASS (Coding Accuracy Support System) Certified standards.",
      "confidence": "high"
    },
    {
      "field": "supported_actions",
      "url": "https://help.lob.com/address-verification/ready-to-start-av/us-av-product-suite",
      "excerpt": "US Verifications - Validate, automatically correct, and standardize US domestic addresses; US Autocomplete - Returns up to 10 address suggestions; Reverse Geocode Lookup; Zip Lookups; AV Elements",
      "confidence": "high"
    },
    {
      "field": "sandbox_available",
      "url": "https://help.lob.com/account-management/api-keys",
      "excerpt": "Test API keys are always prefixed with test_... for verification services, will never verify addresses... the API will only return a sample address",
      "confidence": "high"
    },
    {
      "field": "free_tier_available",
      "url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing",
      "excerpt": "Developer: Free ($0/month), 300 requests included",
      "confidence": "high"
    },
    {
      "field": "pricing_model",
      "url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing",
      "excerpt": "Startup: $20 annually or $25 monthly, 1,000 requests included... Business: $100 annually or $120 monthly, 10,000 requests included... Growth: $390 annually or $450 monthly, 50,000 requests included",
      "confidence": "high"
    },
    {
      "field": "has_published_pricing",
      "url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing",
      "excerpt": "Startup: $20 annually or $25 monthly, 1,000 requests included... Business: $100 annually or $120 monthly, 10,000 requests included... Growth: $390 annually or $450 monthly, 50,000 requests included",
      "confidence": "high"
    },
    {
      "field": "sla_published",
      "url": "https://www.lob.com/sla",
      "excerpt": "Covered Lob Services means Lob's Print and Mail service ('PMS') and Lob's Address Verification service ('AVS').",
      "confidence": "high"
    },
    {
      "field": "soc2",
      "url": "https://www.lob.com/security",
      "excerpt": "We also complete annual SOC 2 Type 2 audits across all five Trust Services Criteria",
      "confidence": "high"
    },
    {
      "field": "hipaa",
      "url": "https://www.lob.com/security",
      "excerpt": "Lob supports healthcare organizations handling protected health information through Business Associate Agreements (BAAs), HIPAA/HITECH privacy audits",
      "confidence": "high"
    },
    {
      "field": "gdpr",
      "url": "https://www.lob.com/security",
      "excerpt": "GDPR & CCPA/CPRA: The platform aligns with these regulatory frameworks through security practices designed to meet requirements.",
      "confidence": "medium"
    },
    {
      "field": "enterprise_plan_available",
      "url": "https://help.lob.com/address-verification/ready-to-start-av/av-pricing",
      "excerpt": "Enterprise: Custom pricing available",
      "confidence": "high"
    },
    {
      "field": "iso_27001",
      "url": "https://www.lob.com/blog/how-to-choose-award-winning-direct-mail-providers-in-2025",
      "excerpt": "Lob was recognized by USPS as Mail Service Provider of the Year in 2024, and we maintain SOC 2 Type II and ISO/IEC 27001 compliance.",
      "confidence": "medium"
    },
    {
      "field": "documented_rate_limits",
      "url": "https://help.lob.com/address-verification/av-faqs",
      "excerpt": "Single address endpoints: 300 API calls per 5 second interval. US bulk verifications: 70 API calls per 10 second interval, passing a maximum of 20 addresses. International bulk verifications: 30 API calls per 10 second interval, passing a maximum of 20 addresses.",
      "confidence": "high"
    },
    {
      "field": "known_restrictions",
      "url": "https://help.lob.com/account-management/api-keys",
      "excerpt": "for verification services, will never verify addresses... the API will only return a sample address",
      "confidence": "high"
    },
    {
      "field": "self_serve_signup",
      "url": "https://www.lob.com/products/address-verification",
      "excerpt": "Try For Free signup option available; Self-serve signup: Direct registration at dashboard.lob.com/register",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://help.lob.com/account-management/api-keys",
      "excerpt": "Lob uses HTTP Basic authentication. You must provide your API key as the username while leaving the password blank.",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://raw.githubusercontent.com/lob/lob-openapi/main/dist/lob-api-bundled.yml",
      "excerpt": "Base URL: https://api.lob.com/v1 (production)",
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://raw.githubusercontent.com/lob/lob-openapi/main/dist/lob-api-bundled.yml",
      "excerpt": "API Version: 1.22.0",
      "confidence": "high"
    },
    {
      "field": "idempotency_supported",
      "url": "https://raw.githubusercontent.com/lob/lob-openapi/main/dist/lob-api-bundled.yml",
      "excerpt": "Idempotency-Key header or idempotency_key query parameter. Format: String, max 256 characters (UUID-4 suggested). Keys expire after 24 hours.",
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://help.lob.com/print-and-mail/getting-data-and-results/using-webhooks",
      "excerpt": "Two headers are included with each webhook: Lob-Signature (the HMAC-SHA256 computed signature in hexadecimal format) and Lob-Signature-Timestamp.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/lob",
      "excerpt": "Official SDK repositories: lob-python, lob-ruby, lob-php, lob-java, lob-node, lob-typescript-sdk, lob-dotnet, lob-elixir, lob-go",
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://help.lob.com/account-management/api-keys",
      "excerpt": "A payment method is not required for the first 300 live requests per month to the /v1/us_verifications endpoint.",
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://help.lob.com/resources/data-retention",
      "excerpt": "retain mailpiece data for a period of ninety (90) days. Lob stores mailpiece data for a minimum of thirty-three (33) days, which is necessary for billing purposes.",
      "confidence": "high"
    },
    {
      "field": "ga_date",
      "url": "https://www.lob.com/blog/series-b-and-address-verification",
      "excerpt": "Lob announced a $20 million Series B funding round led by Y Combinator's Continuity Fund... [Address Verification API launched May 31, 2017]",
      "confidence": "high"
    },
    {
      "field": "notable_customers",
      "url": "https://www.lob.com/case-studies/current-reduces-spend-improves-cx",
      "excerpt": "We use Lob Address Verification in front of our KYC service to catch any mistakes made by our customers when inputting their address. — Trevor Marshall, CTO",
      "confidence": "high"
    },
    {
      "field": "error_format",
      "url": "https://help.lob.com/developer-docs/error-reference",
      "excerpt": "Lob's error response contains a message parameter containing developer-facing information about the reason for failure.",
      "confidence": "medium"
    },
    {
      "field": "known_restrictions",
      "url": "https://help.lob.com/address-verification/ready-to-start-av/international-av-suite",
      "excerpt": "International address autocompletion for non-US addresses is not currently available",
      "confidence": "high"
    },
    {
      "field": "webhooks_supported",
      "url": "https://help.lob.com/print-and-mail/getting-data-and-results/using-webhooks",
      "excerpt": "webhooks are an easy way to get proactive alerts or notifications on events that are happening within Lob, including the tracking events we receive from the USPS",
      "confidence": "high"
    },
    {
      "field": "supported_languages",
      "url": "https://www.lob.com/blog/international-address-verification-enhancements",
      "excerpt": "configurable transliteration provides Address Verification customers greater flexibility when operating around the world, ensuring addresses are correct and deliverable while providing optionality for the address response to be in the native language",
      "confidence": "medium"
    },
    {
      "field": "auth_methods",
      "url": "https://github.com/lob/lob-openapi/blob/main/lob-api-public.yml",
      "excerpt": "Requests made to the API are protected with HTTP Basic authentication. In order to properly authenticate with the API you must use your API key as the username while leaving the password blank.",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://help.lob.com/developer-docs/api-quickstart-guide",
      "excerpt": "Base URL: https://api.lob.com/v1",
      "confidence": "high"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://raw.githubusercontent.com/lob/lob-openapi/main/dist/lob-api-bundled.yml",
      "excerpt": "Standard limit: 150 requests per 5 seconds per endpoint. US Verifications/Autocompletions: 300 requests per 5 seconds",
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://help.lob.com/print-and-mail/getting-data-and-results/using-webhooks",
      "excerpt": "Lob uses HMAC-SHA256 for webhook authentication. The signature is generated by computing HMAC-SHA256 on a signature input (concatenation of timestamp, a period, and the JSON payload) using a webhook-specific secret.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://help.lob.com/developer-docs/sdks-and-libraries",
      "excerpt": "Lob's TypeScript SDK can be installed through NPM: $ npm i @lob/lob-typescript-sdk",
      "confidence": "high"
    },
    {
      "field": "starting_price_usd",
      "url": "https://www.lob.com/pricing",
      "excerpt": "US Verification: Startup: $0.025 per lookup (1,000 included with $25/month subscription)",
      "confidence": "high"
    },
    {
      "field": "sla_url",
      "url": "https://www.lob.com/sla",
      "excerpt": "The agreement commits to a 99.9% monthly uptime threshold for covered services. AVS is explicitly listed as one of two Covered Lob Services.",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://help.lob.com/account-management/api-keys",
      "excerpt": "Before going live, you will need to verify your email and add a payment method. A payment method is not required for the first 300 live requests per month to the /v1/us_verifications endpoint.",
      "confidence": "high"
    },
    {
      "field": "launched_at",
      "url": "https://tracxn.com/d/companies/lob/__xJBMw-qXYC7ZeZ_oyZH99ovllMrbsaaGi8xEZpKub3g",
      "excerpt": "Lob was launched in 2013 and is based in San Francisco.",
      "confidence": "medium"
    },
    {
      "field": "notable_customers",
      "url": "https://www.lob.com/products/address-verification",
      "excerpt": "CareWell: 50% decreased address errors. BlueChip Financial: 50% reduced failed mailings.",
      "confidence": "high"
    },
    {
      "field": "versioning_scheme",
      "url": "https://raw.githubusercontent.com/lob/lob-openapi/main/dist/lob-api-bundled.yml",
      "excerpt": "Base URL: https://api.lob.com/v1 (production) — version encoded in URL path as /v1",
      "confidence": "high"
    }
  ],
  "fields_not_found": [
    "pci_dss",
    "specific Royal Mail PAF / Canada Post SERP / Australia Post AMAS certifications",
    "webhooks for address verification events (webhooks exist only for print/mail events)",
    "deprecation_policy_url",
    "mcp_url",
    "webhook_events_url (canonical page not confirmed accessible)"
  ],
  "source_confidence": "high",
  "last_verified_at": "2026-06-14T00:00:00.000Z",
  "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/lob-av",
        "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/lob-av/{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"
      }
    ]
  }
}