{"openapi":"3.1.0","info":{"title":"Email Validator","version":"0.1.0","description":"Validate email addresses — syntax, MX deliverability and disposable/role detection (no mailbox probing).","x-guidance":"Validate email addresses — syntax, MX deliverability and disposable/role detection (no mailbox probing). Each operation is an HTTP POST to its /v1/<operation> path with a JSON request body (see each operation's requestBody schema) and returns a JSON response. Endpoints are paid per successful call via x402 or MPP (USDC on Base); an unpaid request returns 402 with payment metadata in the WWW-Authenticate header.","contact":{"email":"hello@openverbs.com"}},"x-discovery":{"ownershipProofs":["0xb1401a71756f51464a9962db12f1eb3e9522490cd20010b06d00cf7b7770acfd5f79721f9dfdf2643f8cecd29af3bde9ec133941a386042b32d9886053a70de61b","0xc1c1f11793e18a00fcb7072421f26e89fb75b6aa517fa84370564991f4b10efa024f6f57e4e67eefd20cf46cc01fc5a62d793fa8fbcda04f26c946a3433d73f91b","0x676b474af0ef9ed4809b5d12d2e789b36e52d56215b21f601d71f76620e36ec630347116a7b2b349a3c3681e5db0fbfa76c4169a676b6d6f27864d0e5017284a1c","0xc2ab96522515ed9e9bc4f1a241b774bd48df42e951ddbf7f6aa8fc76f5a96a20421703e1ec402ce7eb1e4eabea3b6e4e4129cf39d56ea91cf4fcf38561fc94fc1c"]},"servers":[{"url":"https://email.openverbs.com"}],"paths":{"/health":{"get":{"summary":"Health check","security":[],"responses":{"200":{"description":"Healthy","content":{"application/json":{"schema":{"type":"object","properties":{"ok":{"type":"boolean"},"service":{"type":"string"},"version":{"type":"string"}}}}}}}}},"/v1/validate":{"post":{"summary":"Validate email","description":"Validate an email address — syntax, MX/A deliverability lookup, and disposable / role-based address detection. No mailbox probing. Paid endpoint (x402 + MPP). Price: $0.006000 USDC per successful payment.","tags":["validate email address","email deliverability check","mx record lookup","disposable email detection","role email detection","email verification api"],"requestBody":{"required":true,"content":{"application/json":{"schema":{"type":"object","properties":{"email":{"type":"string","minLength":3,"maxLength":254,"description":"Email address to validate, e.g. \"user@example.com\"."}},"required":["email"],"additionalProperties":false}}}},"responses":{"200":{"description":"Whether the address is `valid` (well-formed + `mxFound`), its `local`/`domain` parts, the `mx[]` hosts, and `disposable` / `roleBased` flags. A `reason` (INVALID_SYNTAX / NO_MX_RECORD) is set when not valid.","content":{"application/json":{"schema":{"type":"object","description":"Whether the address is `valid` (well-formed + `mxFound`), its `local`/`domain` parts, the `mx[]` hosts, and `disposable` / `roleBased` flags. A `reason` (INVALID_SYNTAX / NO_MX_RECORD) is set when not valid."}}}},"400":{"description":"Invalid request; no payment is attempted"},"402":{"description":"Payment required; x402/MPP metadata returned in headers"},"502":{"description":"Upstream provider error after payment verification"}},"x-payment-info":{"amount":"6000","currency":"0x20c000000000000000000000b9537d11c60e8b50","description":"Validate an email address — syntax, MX/A deliverability lookup, and disposable / role-based address detection. No mailbox probing.","method":"tempo","preferredOffer":"mpp-tempo","price":{"mode":"fixed","currency":"USD","amount":"0.006000"},"protocols":[{"x402":{"scheme":"exact","network":"eip155:8453","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}},{"mpp":{"method":"evm","intent":"charge","network":"8453","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}},{"mpp":{"method":"tempo","intent":"charge","network":"4217","currency":"0x20c000000000000000000000b9537d11c60e8b50","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}}],"network":"4217","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A","offers":[{"amount":"6000","currency":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","description":"Validate an email address — syntax, MX/A deliverability lookup, and disposable / role-based address detection. No mailbox probing.","intent":"charge","method":"evm","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"},{"amount":"6000","currency":"0x20c000000000000000000000b9537d11c60e8b50","description":"Validate an email address — syntax, MX/A deliverability lookup, and disposable / role-based address detection. No mailbox probing.","intent":"charge","method":"tempo","recipient":"0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A"}]}}}},"x-service-info":{"categories":["email"],"docs":{"homepage":"https://email.openverbs.com","apiReference":"https://email.openverbs.com/openapi.json"}}}