{
  "name": "Hunter",
  "slug": "hunter-email-verifier",
  "website_url": "https://hunter.io/email-verifier",
  "vendor_description": "A free email checker to instantly spot risky or fake email addresses. Verify emails with thorough checks: format, domain information, servers response, accept-all.",
  "categories": [
    "email-verification"
  ],
  "summary": null,
  "capabilities": {
    "supported_actions": [
      "email_verifier",
      "domain_search",
      "email_finder",
      "email_count",
      "discover",
      "email_enrichment",
      "company_enrichment",
      "combined_enrichment",
      "list_leads",
      "get_lead",
      "create_lead",
      "upsert_lead",
      "update_lead",
      "delete_lead",
      "list_custom_attributes",
      "get_custom_attribute",
      "create_custom_attribute",
      "update_custom_attribute",
      "delete_custom_attribute",
      "list_leads_lists",
      "get_leads_list",
      "create_leads_list",
      "update_leads_list",
      "delete_leads_list",
      "list_campaigns",
      "list_campaign_recipients",
      "add_campaign_recipient",
      "cancel_campaign_recipient",
      "start_campaign",
      "get_account_info",
      "get_company_logo"
    ],
    "supported_regions": [],
    "supported_languages": [],
    "input_types": [
      "email address (query parameter in GET request)"
    ],
    "output_types": [
      "JSON"
    ],
    "webhooks_supported": true,
    "sandbox_available": true,
    "sdk_languages": [
      "Ruby",
      "Node.js",
      "Python",
      "Laravel",
      "Go",
      "R"
    ],
    "mcp_server_available": true
  },
  "integration": {
    "api_style": "rest",
    "base_url": "https://api.hunter.io/v2",
    "api_version": "v2",
    "versioning_scheme": "url",
    "stability": "ga",
    "deprecation_policy_url": null,
    "auth_methods": [
      "api_key"
    ],
    "auth_docs_url": null,
    "idempotency_supported": null,
    "error_format": "vendor-specific",
    "webhook_signing": null,
    "webhook_events_url": null,
    "rate_limit_requests": 10,
    "rate_limit_window": "second",
    "sdk_packages": [
      {
        "package": "emailhunter",
        "language": "Ruby",
        "official": false,
        "repo_url": "https://github.com/davidesantangelo/emailhunter"
      },
      {
        "package": "hunterio",
        "language": "Node.js",
        "official": false,
        "repo_url": "https://github.com/alexleventer/node-hunterio"
      },
      {
        "package": "PyHunter",
        "language": "Python",
        "official": false,
        "repo_url": "https://github.com/VonStruddle/PyHunter"
      },
      {
        "package": "hunterio",
        "language": "Laravel",
        "official": false,
        "repo_url": "https://github.com/messerli90/hunterio"
      },
      {
        "package": "hunter",
        "language": "Go",
        "official": false,
        "repo_url": "https://github.com/picatz/hunter"
      },
      {
        "package": "hunteR",
        "language": "R",
        "official": false,
        "repo_url": "https://github.com/dschmeh/hunteR"
      }
    ],
    "mcp_url": "https://mcp.hunter.io",
    "quickstart_url": "https://help.hunter.io/en/articles/12633706-how-to-verify-emails-via-api-with-code-examples"
  },
  "pricing": {
    "pricing_model": "hybrid",
    "has_published_pricing": true,
    "starting_price_usd": "49.0000",
    "price_basis": "month",
    "free_tier_available": true,
    "free_tier_limit": "50 credits/month",
    "free_tier_details": "50 credits/month on the Free plan, perpetual with no time limit, renews automatically every month. Includes email finding, verification, bulk functionalities, sequences (1 email account, 500 recipients/sequence), Discover access, API access, integrations, and unlimited team members.",
    "minimum_commitment": null,
    "self_serve_signup": true,
    "requires_sales_call": false,
    "requires_verification": false,
    "enterprise_plan_available": true,
    "price_points": [
      {
        "plan": "Free",
        "item": "Email Verifier",
        "amount_usd": "0.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Starter",
        "item": "Email Verifier",
        "amount_usd": "49.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Starter",
        "item": "Email Verifier",
        "amount_usd": "34.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Starter",
        "item": "Email Verifier",
        "amount_usd": "408.0000",
        "amount_percent": null,
        "per": "year",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Growth",
        "item": "Email Verifier",
        "amount_usd": "149.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Growth",
        "item": "Email Verifier",
        "amount_usd": "104.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Growth",
        "item": "Email Verifier",
        "amount_usd": "1248.0000",
        "amount_percent": null,
        "per": "year",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Scale",
        "item": "Email Verifier",
        "amount_usd": "299.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Scale",
        "item": "Email Verifier",
        "amount_usd": "209.0000",
        "amount_percent": null,
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Scale",
        "item": "Email Verifier",
        "amount_usd": "2508.0000",
        "amount_percent": null,
        "per": "year",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": "Data Platform",
        "item": "200,000 verification credits",
        "amount_usd": "6500.0000",
        "amount_percent": null,
        "per": "12 months",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": null,
        "item": "1 email verification",
        "amount_usd": null,
        "amount_percent": null,
        "per": "0.5 credit",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      },
      {
        "plan": null,
        "item": "non-profit discount",
        "amount_usd": null,
        "amount_percent": "30.0000",
        "per": "month",
        "currency": "USD",
        "source_url": "https://hunter.io/pricing"
      }
    ]
  },
  "compliance": {
    "soc2": null,
    "hipaa": null,
    "gdpr": true,
    "iso_27001": null,
    "pci_dss": null,
    "sla_published": false,
    "sla_url": null,
    "data_retention_policy_url": null,
    "documented_rate_limits": "The Email Verifier API endpoint is rate limited to 10 requests per second and 300 requests per minute. Domain Search and Email Finder are rate-limited to 15 requests per second / 500 per minute. Discover is rate limited to 5 requests per second and 50 requests per minute.",
    "known_restrictions": [
      "Each API call needs to be performed with one piece of data at a time (1 contact, 1 domain, 1 email, etc.). We don't currently offer 'bulk' API calls.",
      "Error 451: Request denied due to legal reasons (GDPR/claimed personal data).",
      "Discover: max 100 companies per response; offset and limit parameters are Premium only.",
      "Credit packs are not available on Free, Data Platform, or Enterprise plans.",
      "Webhooks are not available on Data Plans; webhooks are limited to email sequence/campaign events only.",
      "Test API key (test-api-key) only works with Domain Search, Email Finder, and Email Verifier endpoints and returns dummy data."
    ]
  },
  "developer": {
    "docs_url": "https://hunter.io/api",
    "api_reference_url": "https://hunter.io/api",
    "openapi_spec_url": null,
    "postman_collection_url": null,
    "changelog_url": "https://hunter.io/changelog",
    "status_page_url": "https://status.hunter.io",
    "llms_txt_url": null,
    "markdown_docs_url": "https://hunter.io/api.md",
    "rendering": "static"
  },
  "adoption": {
    "launched_at": "2015-01-01",
    "ga_date": null,
    "github_stars": null,
    "github_stars_at": null,
    "notable_customers": [
      "Semrush",
      "Vimeo",
      "Cisco",
      "Canva",
      "Customer.io",
      "Xero",
      "Gartner",
      "Cursor",
      "Autodesk",
      "CloudTalk",
      "Hostinger",
      "Darwinbox",
      "Belkins",
      "Moosend",
      "Hepper"
    ]
  },
  "scores": {
    "agent_friendliness": 70,
    "pricing_transparency": 100,
    "setup_speed": 100,
    "docs_quality": 60,
    "procurement_friction": 100,
    "trust_readiness": 15,
    "best_for": [
      "Prototypes and side projects - free to start, no sales call",
      "AI agents and automation - an agent-ready surface (MCP / llms.txt)",
      "Teams needing broad API coverage out of the box"
    ],
    "avoid_if": [
      "You have strict compliance requirements"
    ]
  },
  "sources": [
    {
      "field": "documented_rate_limits",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "The Discover API endpoint is rate limited to 5 requests per second and 50 requests per minute.",
      "confidence": "high"
    },
    {
      "field": "vendor_description",
      "url": "https://hunter.io/email-verifier",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "output_types",
      "url": "https://hunter.io/api-documentation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "free_tier_details",
      "url": "https://help.hunter.io/en/articles/11060999-what-s-included-in-hunter-s-free-plan",
      "excerpt": "Hunter offers a completely free plan with no time limit, giving you access to core tools for finding, verifying, and reaching",
      "confidence": "high"
    },
    {
      "field": "name",
      "url": "https://hunter.io/",
      "excerpt": "In seconds. Hunter uses a combination of proprietary technology and artificial intelligence to find, verify, and enrich contact details.",
      "confidence": "high"
    },
    {
      "field": "sla_published",
      "url": "https://hunter.io/terms-of-service",
      "excerpt": "Hunter's Terms of Service. By accessing or using any part of Hunter's services, you agree to the present agreement.",
      "confidence": "high"
    },
    {
      "field": "webhooks_supported",
      "url": "https://help.hunter.io/en/articles/1970956-hunter-api",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "free_tier_available",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan.",
      "confidence": "high"
    },
    {
      "field": "minimum_commitment",
      "url": "https://help.hunter.io/en/articles/1897850-cancel-your-subscription-s-renewal",
      "excerpt": "Enterprise subscriptions can only be cancelled after the minimum committed duration specified on your contract.",
      "confidence": "high"
    },
    {
      "field": "known_restrictions",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "The Discover API endpoint is rate limited to 5 requests per second and 50 requests per minute.",
      "confidence": "medium"
    },
    {
      "field": "known_restrictions",
      "url": "https://help.hunter.io/en/articles/11738860-credit-packs-how-to-buy-extra-credits-in-hunter",
      "excerpt": "How much do credit packs cost? Each credit pack costs €10 / $10 / £8.40. The number of credits you get depends on your plan:",
      "confidence": "medium"
    },
    {
      "field": "self_serve_signup",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan. You can cancel or change your subscription at any time.",
      "confidence": "high"
    },
    {
      "field": "gdpr",
      "url": "https://hunter.io/data-processing-agreement",
      "excerpt": "This EU and UK Data Processing Agreement (Agreement) supplements the Terms of Service (the TOS) entered into by and between the customer signing this Agreement.",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://hunter.io/security-policy",
      "excerpt": "This Security Policy describes Hunter's security program and technical and organizational security controls to protect customer data from unauthorized use.",
      "confidence": "medium"
    },
    {
      "field": "primary_use_cases",
      "url": "https://hunter.io/",
      "excerpt": "In seconds. Hunter uses a combination of proprietary technology and artificial intelligence to find, verify, and enrich contact details.",
      "confidence": "medium"
    },
    {
      "field": "supported_actions",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "The Discover API endpoint is rate limited to 5 requests per second and 50 requests per minute.",
      "confidence": "medium"
    },
    {
      "field": "supported_actions",
      "url": "https://hunter.io/api/campaigns",
      "excerpt": "Hunter's API can support your tool seamlessly, with fast response times and near 100% uptime.",
      "confidence": "medium"
    },
    {
      "field": "categories",
      "url": "https://hunter.io/",
      "excerpt": "In seconds. Hunter uses a combination of proprietary technology and artificial intelligence to find, verify, and enrich contact details.",
      "confidence": "high"
    },
    {
      "field": "supported_languages",
      "url": "https://hunter.io/email-verifier",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "mcp_server_available",
      "url": "https://hunter.io/integrations",
      "excerpt": "Hunter MCP. Model Context Protocol (MCP). Use our remote MCP server to integrate with our API endpoints using natural language.",
      "confidence": "high"
    },
    {
      "field": "pci_dss",
      "url": "https://hunter.io/security-policy",
      "excerpt": "This Security Policy describes Hunter's security program and technical and organizational security controls to protect customer data from unauthorized use.",
      "confidence": "medium"
    },
    {
      "field": "pricing_model",
      "url": "https://help.hunter.io/en/articles/11738860-credit-packs-how-to-buy-extra-credits-in-hunter",
      "excerpt": "How much do credit packs cost? Each credit pack costs €10 / $10 / £8.40. The number of credits you get depends on your plan:",
      "confidence": "high"
    },
    {
      "field": "has_published_pricing",
      "url": "https://help.hunter.io/en/articles/11738860-credit-packs-how-to-buy-extra-credits-in-hunter",
      "excerpt": "How much do credit packs cost? Each credit pack costs €10 / $10 / £8.40.",
      "confidence": "high"
    },
    {
      "field": "requires_sales_call",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan.",
      "confidence": "high"
    },
    {
      "field": "enterprise_plan_available",
      "url": "https://help.hunter.io/en/articles/1897850-cancel-your-subscription-s-renewal",
      "excerpt": "Enterprise subscriptions can only be cancelled after the minimum committed duration specified on your contract.",
      "confidence": "high"
    },
    {
      "field": "sandbox_available",
      "url": "https://hunter.io/api-documentation",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "documented_rate_limits",
      "url": "https://help.hunter.io/en/articles/1970956-hunter-api",
      "excerpt": "The Domain Search and Email Finder API calls, are both rate-limited to 15 requests per second/ 500 per minute (per API key or IP).",
      "confidence": "high"
    },
    {
      "field": "output_types",
      "url": "https://hunter.io/api/email-verifier",
      "excerpt": "The Email Verifier API allows you to verify the validity of an email address. It takes an email address as input. The Email Verifier API response contains",
      "confidence": "high"
    },
    {
      "field": "sdk_languages",
      "url": "https://hunter.io/api-documentation",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "free_tier_details",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan. You can cancel or change your subscription at any time.",
      "confidence": "high"
    },
    {
      "field": "name",
      "url": "https://hunter.io/email-verifier",
      "excerpt": null,
      "confidence": "high"
    },
    {
      "field": "iso_27001",
      "url": "https://hunter.io/security-policy",
      "excerpt": "This Security Policy describes Hunter's security program and technical and organizational security controls to protect customer data from unauthorized use.",
      "confidence": "medium"
    },
    {
      "field": "free_tier_available",
      "url": "https://help.hunter.io/en/articles/11060999-what-s-included-in-hunter-s-free-plan",
      "excerpt": "Hunter offers a completely free plan with no time limit, giving you access to core tools for finding, verifying, and reaching",
      "confidence": "high"
    },
    {
      "field": "minimum_commitment",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan. You can cancel or change your subscription at any time.",
      "confidence": "high"
    },
    {
      "field": "supported_regions",
      "url": "https://hunter.io/security-policy",
      "excerpt": "This Security Policy describes Hunter's security program and technical and organizational security controls to protect customer data from unauthorized use.",
      "confidence": "medium"
    },
    {
      "field": "known_restrictions",
      "url": "https://help.hunter.io/en/articles/1970956-hunter-api",
      "excerpt": null,
      "confidence": "medium"
    },
    {
      "field": "self_serve_signup",
      "url": "https://hunter.io/api",
      "excerpt": "Get started with Hunter's API. Browse our documentation and write your first API call. Start using Hunter programmatically within minutes. Get my free API key.",
      "confidence": "high"
    },
    {
      "field": "gdpr",
      "url": "https://help.hunter.io/en/articles/1890029-gdpr-compliance",
      "excerpt": "Hunter complies with the General Data Protection Regulation (GDPR), and helps its users comply as well.",
      "confidence": "high"
    },
    {
      "field": "website_url",
      "url": "https://hunter.io/email-verifier",
      "excerpt": "Yes, we offer a free API to all Hunter users. It provides the most flexible way of verifying email addresses. High-volume users can use our Data Platform plans",
      "confidence": "high"
    },
    {
      "field": "primary_use_cases",
      "url": "https://hunter.io/email-verifier",
      "excerpt": "Yes, we offer a free API to all Hunter users. It provides the most flexible way of verifying email addresses.",
      "confidence": "medium"
    },
    {
      "field": "primary_use_cases",
      "url": "https://hunter.io/email-finder",
      "excerpt": "The leading solution to find professional email addresses.",
      "confidence": "medium"
    },
    {
      "field": "supported_actions",
      "url": "https://hunter.io/api/email-verifier",
      "excerpt": "The Email Verifier API allows you to verify the validity of an email address. It takes an email address as input.",
      "confidence": "medium"
    },
    {
      "field": "categories",
      "url": "https://hunter.io/email-verifier",
      "excerpt": "Yes, we offer a free API to all Hunter users. It provides the most flexible way of verifying email addresses.",
      "confidence": "high"
    },
    {
      "field": "hipaa",
      "url": "https://hunter.io/security-policy",
      "excerpt": "This Security Policy describes Hunter's security program and technical and organizational security controls to protect customer data from unauthorized use.",
      "confidence": "medium"
    },
    {
      "field": "fields_not_found",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "soc2",
      "url": "https://hunter.io/security-policy",
      "excerpt": "This Security Policy describes Hunter's security program and technical and organizational security controls to protect customer data from unauthorized use.",
      "confidence": "medium"
    },
    {
      "field": "mcp_server_available",
      "url": "https://hunter.io/blog/hunter-mcp-server-bringing-ai-and-b2b-data-together/",
      "excerpt": "We've launched our MCP Server to help you build software and apps faster with Hunter's data, email verification, and more. Try it today.",
      "confidence": "high"
    },
    {
      "field": "pricing_model",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan. You can cancel or change your subscription at any time.",
      "confidence": "high"
    },
    {
      "field": "has_published_pricing",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan. You can cancel or change your subscription at any time.",
      "confidence": "high"
    },
    {
      "field": "requires_sales_call",
      "url": "https://hunter.io/api",
      "excerpt": "Get started with Hunter's API. Browse our documentation and write your first API call. Start using Hunter programmatically within minutes. Get my free API key.",
      "confidence": "high"
    },
    {
      "field": "enterprise_plan_available",
      "url": "https://hunter.io/pricing",
      "excerpt": "Choose the best plan to grow your business with Hunter, or stay on the Free plan. You can cancel or change your subscription at any time.",
      "confidence": "high"
    },
    {
      "field": "input_types",
      "url": "https://hunter.io/api/email-verifier",
      "excerpt": "The Email Verifier API allows you to verify the validity of an email address. It takes an email address as input.",
      "confidence": "high"
    },
    {
      "field": "webhook_events_url",
      "url": "https://help.hunter.io/en/articles/7204121-sequences-webhooks",
      "excerpt": "Webhooks are notifications about various events that occur for your sent email sequences. These notifications can be used to integrate Hunter",
      "confidence": "high"
    },
    {
      "field": "webhook_events_url",
      "url": "https://help.hunter.io/en/articles/8488787-integrate-email-sequences-with-external-tools",
      "excerpt": "When you create a webhook, it will send a POST request to the URL of your choice whenever the chosen event happens. There are 4 events you can use: Email sent.",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://hunter.io/api/email-verifier",
      "excerpt": "Verify any email address with a simple API call. Create an account to get your free API key with 50 free credits/month.",
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://hunter.io/api/email-finder",
      "excerpt": "Find any email address from a name and a domain name with a simple API call. Create an account to get your free API key with 50 free credits/month.",
      "confidence": "high"
    },
    {
      "field": "rate_limit_window",
      "url": "https://help.hunter.io/en/articles/1971004-is-there-a-request-per-second-limit",
      "excerpt": "Yes, this limit depends on the API endpoint. The Domain Search and Email Finder API calls are both rate-limited to 15 requests per second/ 500 per minute.",
      "confidence": "high"
    },
    {
      "field": "starting_price_usd",
      "url": "https://hunter.io/pricing",
      "excerpt": "Get started. 2,000 credits per month; 24,000 credits per year; Auto-verification; Lead enrichment; Advanced Discover filters; AI Assistant in Discover",
      "confidence": "medium"
    },
    {
      "field": "versioning_scheme",
      "url": "https://hunter.io/api-documentation/v1",
      "excerpt": "Your API key is what identifies your account, so make sure to keep it secret! You can at anytime retrieve, generate or delete API keys on your dashboard. Sign",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://help.hunter.io/en/articles/7048972-can-i-use-a-test-api-key",
      "excerpt": "The authentication is made with a key which you will have to add to every call you make to our API. This parameter is always required.",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "api_style",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "idempotency_supported",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "medium"
    },
    {
      "field": "mcp_url",
      "url": "https://hunter.io/integrations",
      "excerpt": "Use our remote MCP server to integrate with our API endpoints using natural language. ChatGPT. Model Context Protocol (MCP). Find companies, verify emails",
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://hunter.io/blog/hunter-mcp-server-bringing-ai-and-b2b-data-together",
      "excerpt": "We've launched our MCP Server to help you build software and apps faster with Hunter's data, email verification, and more. Try it today.",
      "confidence": "high"
    },
    {
      "field": "stability",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://hunter.io/privacy-policy",
      "excerpt": "The data collected from email clients is never shared with third-parties. It stays private to the Hunter User and their team if applicable.",
      "confidence": "high"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://help.hunter.io/en/articles/1971004-is-there-a-request-per-second-limit",
      "excerpt": "Yes, this limit depends on the API endpoint. The Domain Search and Email Finder API calls are both rate-limited to 15 requests per second/ 500 per minute.",
      "confidence": "medium"
    },
    {
      "field": "deprecation_policy_url",
      "url": "https://hunter.io/terms-of-service",
      "excerpt": "Hunter's Terms of Service. By accessing or using any part of Hunter's services, you agree to the present agreement.",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/alexleventer/node-hunterio",
      "excerpt": "Hunter.io lets you find email addresses in seconds and connect with the people that matter for your business. View the full documentation here. Installation:.",
      "confidence": "high"
    },
    {
      "field": "error_format",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "sla_url",
      "url": "https://hunter.io/api",
      "excerpt": "Hunter's API is robust and reliable. Get started in minutes.",
      "confidence": "high"
    },
    {
      "field": "launched_at",
      "url": "https://hunter.io/about",
      "excerpt": "Hunter was created by Antoine Finkelstein and François Grante in 2015. Freshly graduated, they saw the untapped potential of cold emails and wanted to",
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://help.hunter.io/en/articles/7204121-sequences-webhooks",
      "excerpt": "Webhooks are notifications about various events that occur for your sent email sequences. These notifications can be used to integrate Hunter",
      "confidence": "medium"
    },
    {
      "field": "rate_limit_window",
      "url": "https://help.hunter.io/en/articles/1970956-hunter-api",
      "excerpt": "Rate limits · The Domain Search and Email Finder API calls, are both rate-limited to 15 requests per second/ 500 per minute (per API key or IP).",
      "confidence": "high"
    },
    {
      "field": "versioning_scheme",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "price_basis",
      "url": "https://hunter.io/pricing",
      "excerpt": "2,000 credits per month; 24,000 credits per year",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://hunter.io/api/email-verifier",
      "excerpt": "Create an account to get your free API key with 50 free credits/month.",
      "confidence": "high"
    },
    {
      "field": "api_style",
      "url": "https://hunter.io/api",
      "excerpt": "Hunter's API is robust and reliable. Get started in minutes. Open documentation. Automate your search for valid email addresses. Discover API.",
      "confidence": "high"
    },
    {
      "field": "notable_customers",
      "url": "https://hunter.io/customers",
      "excerpt": "Hunter is used by 7+ million users, including leading companies. Semrush Vimeo Cisco Canva Customer.io. Xero Gartner Cursor Autodesk. Whenever someone asks me",
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://github.com/hunter-io/hunter-mcp",
      "excerpt": "provides integration between the Hunter API and any LLM provider supporting the MCP protocol",
      "confidence": "high"
    },
    {
      "field": "ga_date",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "stability",
      "url": "https://hunter.io/api",
      "excerpt": "Hunter's API is robust and reliable. Get started in minutes.",
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://hunter.io/data-processing-agreement",
      "excerpt": "Customer Account Data, Customer Leads Data and Customer Usage Data will be processed and stored as set forth in the Company's Privacy Policy.",
      "confidence": "high"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://help.hunter.io/en/articles/1970956-hunter-api",
      "excerpt": "Rate limits · The Domain Search and Email Finder API calls, are both rate-limited to 15 requests per second/ 500 per minute (per API key or IP).",
      "confidence": "medium"
    },
    {
      "field": "quickstart_url",
      "url": "https://help.hunter.io/en/articles/12633706-how-to-verify-emails-via-api-with-code-examples",
      "excerpt": "If an error occurs, the API will return an HTTP status code along with a descriptive message in JSON format. Understanding these responses helps",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://help.hunter.io/en/articles/7048972-can-i-use-a-test-api-key",
      "excerpt": "The authentication is made with a key which you will have to add to every call you make to our API. This parameter is always required.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/VonStruddle/PyHunter",
      "excerpt": "A Python wrapper for the Hunter.io v2 API. Contribute to VonStruddle/PyHunter development by creating an account on GitHub.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "error_format",
      "url": "https://help.hunter.io/en/articles/12633706-how-to-verify-emails-via-api-with-code-examples",
      "excerpt": "If an error occurs, the API will return an HTTP status code along with a descriptive message in JSON format. Understanding these responses helps",
      "confidence": "high"
    },
    {
      "field": "sla_url",
      "url": "https://www.explorium.ai/compare/hunterio-vs-rocketreach/",
      "excerpt": "SLA uptime. Up to 99.999% uptime SLA. Near 100% uptime stated. -",
      "confidence": "high"
    },
    {
      "field": "launched_at",
      "url": "https://jp.linkedin.com/in/fgrante/en",
      "excerpt": "I founded Hunter in April 2015 with Antoine Finkelstein. The company is self-funded.",
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://help.hunter.io/en/articles/8488787-integrate-email-sequences-with-external-tools",
      "excerpt": "When you create a webhook, it will send a POST request to the URL of your choice whenever the chosen event happens. There are 4 events you can use: Email sent.",
      "confidence": "medium"
    },
    {
      "field": "webhook_events_url",
      "url": "https://help.hunter.io/en/articles/7204121-sequences-webhooks",
      "excerpt": "Webhooks are notifications about various events that occur for your sent email sequences. These notifications can be used to integrate Hunter",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://hunter.io/api/email-verifier",
      "excerpt": "Verify any email address with a simple API call. Create an account to get your free API key with 50 free credits/month.",
      "confidence": "high"
    },
    {
      "field": "fields_not_found",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "rate_limit_window",
      "url": "https://help.hunter.io/en/articles/1970956-hunter-api",
      "excerpt": "Rate limits · The Domain Search and Email Finder API calls, are both rate-limited to 15 requests per second/ 500 per minute (per API key or IP).",
      "confidence": "high"
    },
    {
      "field": "versioning_scheme",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "webhook_events_url",
      "url": "https://help.hunter.io/en/articles/8488787-integrate-email-sequences-with-external-tools",
      "excerpt": "When you create a webhook, it will send a POST request to the URL of your choice whenever the chosen event happens. There are 4 events you can use: Email sent.",
      "confidence": "high"
    },
    {
      "field": "base_url",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "free_tier_limit",
      "url": "https://hunter.io/api/email-finder",
      "excerpt": "Find any email address from a name and a domain name with a simple API call. Create an account to get your free API key with 50 free credits/month.",
      "confidence": "high"
    },
    {
      "field": "rate_limit_window",
      "url": "https://help.hunter.io/en/articles/1971004-is-there-a-request-per-second-limit",
      "excerpt": "Yes, this limit depends on the API endpoint. The Domain Search and Email Finder API calls are both rate-limited to 15 requests per second/ 500 per minute.",
      "confidence": "high"
    },
    {
      "field": "starting_price_usd",
      "url": "https://hunter.io/pricing",
      "excerpt": "Get started. 2,000 credits per month; 24,000 credits per year; Auto-verification; Lead enrichment; Advanced Discover filters; AI Assistant in Discover",
      "confidence": "medium"
    },
    {
      "field": "versioning_scheme",
      "url": "https://hunter.io/api-documentation/v1",
      "excerpt": "Your API key is what identifies your account, so make sure to keep it secret! You can at anytime retrieve, generate or delete API keys on your dashboard. Sign",
      "confidence": "high"
    },
    {
      "field": "auth_docs_url",
      "url": "https://help.hunter.io/en/articles/7048972-can-i-use-a-test-api-key",
      "excerpt": "The authentication is made with a key which you will have to add to every call you make to our API. This parameter is always required.",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "api_style",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "idempotency_supported",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "medium"
    },
    {
      "field": "price_basis",
      "url": "https://hunter.io/pricing",
      "excerpt": "2,000 credits per month; 24,000 credits per year",
      "confidence": "high"
    },
    {
      "field": "requires_verification",
      "url": "https://hunter.io/api/email-verifier",
      "excerpt": "Create an account to get your free API key with 50 free credits/month.",
      "confidence": "high"
    },
    {
      "field": "api_style",
      "url": "https://hunter.io/api",
      "excerpt": "Hunter's API is robust and reliable. Get started in minutes. Open documentation. Automate your search for valid email addresses. Discover API.",
      "confidence": "high"
    },
    {
      "field": "notable_customers",
      "url": "https://hunter.io/customers",
      "excerpt": "Hunter is used by 7+ million users, including leading companies. Semrush Vimeo Cisco Canva Customer.io. Xero Gartner Cursor Autodesk. Whenever someone asks me",
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://github.com/hunter-io/hunter-mcp",
      "excerpt": "provides integration between the Hunter API and any LLM provider supporting the MCP protocol",
      "confidence": "high"
    },
    {
      "field": "ga_date",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "stability",
      "url": "https://hunter.io/api",
      "excerpt": "Hunter's API is robust and reliable. Get started in minutes.",
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://hunter.io/data-processing-agreement",
      "excerpt": "Customer Account Data, Customer Leads Data and Customer Usage Data will be processed and stored as set forth in the Company's Privacy Policy.",
      "confidence": "high"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://help.hunter.io/en/articles/1970956-hunter-api",
      "excerpt": "Rate limits · The Domain Search and Email Finder API calls, are both rate-limited to 15 requests per second/ 500 per minute (per API key or IP).",
      "confidence": "medium"
    },
    {
      "field": "quickstart_url",
      "url": "https://help.hunter.io/en/articles/12633706-how-to-verify-emails-via-api-with-code-examples",
      "excerpt": "If an error occurs, the API will return an HTTP status code along with a descriptive message in JSON format. Understanding these responses helps",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://help.hunter.io/en/articles/7048972-can-i-use-a-test-api-key",
      "excerpt": "The authentication is made with a key which you will have to add to every call you make to our API. This parameter is always required.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/VonStruddle/PyHunter",
      "excerpt": "A Python wrapper for the Hunter.io v2 API. Contribute to VonStruddle/PyHunter development by creating an account on GitHub.",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "error_format",
      "url": "https://help.hunter.io/en/articles/12633706-how-to-verify-emails-via-api-with-code-examples",
      "excerpt": "If an error occurs, the API will return an HTTP status code along with a descriptive message in JSON format. Understanding these responses helps",
      "confidence": "high"
    },
    {
      "field": "sla_url",
      "url": "https://www.explorium.ai/compare/hunterio-vs-rocketreach/",
      "excerpt": "SLA uptime. Up to 99.999% uptime SLA. Near 100% uptime stated. -",
      "confidence": "high"
    },
    {
      "field": "launched_at",
      "url": "https://jp.linkedin.com/in/fgrante/en",
      "excerpt": "I founded Hunter in April 2015 with Antoine Finkelstein. The company is self-funded.",
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://help.hunter.io/en/articles/8488787-integrate-email-sequences-with-external-tools",
      "excerpt": "When you create a webhook, it will send a POST request to the URL of your choice whenever the chosen event happens. There are 4 events you can use: Email sent.",
      "confidence": "medium"
    },
    {
      "field": "mcp_url",
      "url": "https://hunter.io/integrations",
      "excerpt": "Use our remote MCP server to integrate with our API endpoints using natural language. ChatGPT. Model Context Protocol (MCP). Find companies, verify emails",
      "confidence": "high"
    },
    {
      "field": "mcp_url",
      "url": "https://hunter.io/blog/hunter-mcp-server-bringing-ai-and-b2b-data-together",
      "excerpt": "We've launched our MCP Server to help you build software and apps faster with Hunter's data, email verification, and more. Try it today.",
      "confidence": "high"
    },
    {
      "field": "stability",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "data_retention_policy_url",
      "url": "https://hunter.io/privacy-policy",
      "excerpt": "The data collected from email clients is never shared with third-parties. It stays private to the Hunter User and their team if applicable.",
      "confidence": "high"
    },
    {
      "field": "rate_limit_requests",
      "url": "https://help.hunter.io/en/articles/1971004-is-there-a-request-per-second-limit",
      "excerpt": "Yes, this limit depends on the API endpoint. The Domain Search and Email Finder API calls are both rate-limited to 15 requests per second/ 500 per minute.",
      "confidence": "medium"
    },
    {
      "field": "deprecation_policy_url",
      "url": "https://hunter.io/terms-of-service",
      "excerpt": "Hunter's Terms of Service. By accessing or using any part of Hunter's services, you agree to the present agreement.",
      "confidence": "high"
    },
    {
      "field": "auth_methods",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "api_version",
      "url": "https://hunter.io/api-documentation/v2",
      "excerpt": "he complete documentation for developers using Hunter&#39;s API ",
      "confidence": "high"
    },
    {
      "field": "sdk_packages",
      "url": "https://github.com/alexleventer/node-hunterio",
      "excerpt": "Hunter.io lets you find email addresses in seconds and connect with the people that matter for your business. View the full documentation here. Installation:.",
      "confidence": "high"
    },
    {
      "field": "error_format",
      "url": "https://hunter.io/api-documentation",
      "excerpt": "Authentication is made with a key you will have to add to every call you make to our API. This parameter is always required. Your API key is what identifies",
      "confidence": "high"
    },
    {
      "field": "sla_url",
      "url": "https://hunter.io/api",
      "excerpt": "Hunter's API is robust and reliable. Get started in minutes.",
      "confidence": "high"
    },
    {
      "field": "launched_at",
      "url": "https://hunter.io/about",
      "excerpt": "Hunter was created by Antoine Finkelstein and François Grante in 2015. Freshly graduated, they saw the untapped potential of cold emails and wanted to",
      "confidence": "high"
    },
    {
      "field": "webhook_signing",
      "url": "https://help.hunter.io/en/articles/7204121-sequences-webhooks",
      "excerpt": "Webhooks are notifications about various events that occur for your sent email sequences. These notifications can be used to integrate Hunter",
      "confidence": "medium"
    }
  ],
  "fields_not_found": [
    "soc2",
    "iso_27001",
    "hipaa",
    "pci_dss",
    "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/hunter-email-verifier",
        "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/hunter-email-verifier/{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"
      }
    ]
  }
}