{"uid":"cap_vvacaepijKCKsYHkmlxD4","slug":"fiatdock-email-deliverability-check-c83beca1","name":"FiatDock Email Deliverability Check","description":"Pay-per-call: Email Deliverability","url":"https://fiatdock.com/s/svc_e645b63c-c5c0-42fc-9ca6-bac9ca652304?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET","HEAD","DELETE"],"type":"string"},"queryParams":{"type":"object","required":["domain"],"properties":{"domain":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":null,"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.01","displayCostAsset":"USDC","priceDynamic":false,"priceHint":null,"priceStatus":"priced","priceSource":"probe","requiresHandshake":false,"reviewCount":0,"rating":{"score":"0.00","successRate":"0.00","reviews":0,"stars":null,"state":"unrated"},"availabilityStatus":"unknown","priceObserved":null,"sessionDeposit":null,"pricing":{"kind":"static","summary":"$0.01/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.01","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_10_V2nZWEWdj3fo1OxUxY","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.01","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Checks whether an email address is likely to be deliverable by performing deep deliverability analysis beyond basic syntax and MX validation","exampleAgentPrompt":"Can you check whether john.doe@example.com is actually deliverable — like, will it bounce if I try to send to it?","exampleUseCases":[{"title":"Pre-send bounce risk check","prompt":"Before I send out this newsletter, can you verify that jane.smith@acmecorp.com is actually deliverable and won't hard-bounce?"},{"title":"List hygiene before campaign","prompt":"I'm about to import a new lead into our CRM — can you run a full deliverability check on mike.jones@startup.io to make sure it's a real, working inbox before I add it?"},{"title":"Signup email validation","prompt":"A user just registered with the email address support@weirdomain.biz — can you do a deliverability check on it to see if it's a live inbox before we send them an activation link?"}],"resultDescription":"Returns a deliverability assessment for the provided email address, likely including a deliverability status, risk level, or score indicating whether the address is likely to accept mail, along with signals such as whether the mailbox exists, is a catch-all, or is a known disposable/role address.","failureModes":["Missing or invalid email address argument returns an argument error (call still billed)","Unknown or unresolvable domain may return indeterminate result","Catch-all mail servers may prevent definitive inbox-level verification","Rate limits or timeouts on the target mail server may cause inconclusive results","Malformed MCP request body returns protocol-level error"],"whenToPreferThis":"Choose this endpoint over the sibling 'Email syntax + MX check' when you need a deeper deliverability signal beyond mere syntax validity and MX record existence — e.g. when you want to know if the specific mailbox accepts mail, assess bounce risk before a send, or clean a contact list. Use the cheaper syntax+MX check for high-volume first-pass filtering, and this endpoint for higher-confidence verification on shortlisted addresses.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-23T18:39:44.639Z","isFirstParty":false,"canonicalSlug":"fiatdock-email-deliverability-check-d1a0a173"}