{"uid":"cap_vgkdssXND9Kz3TvCq9KJa","slug":"agentdiet-mx-deliverability-verifier-8367d34d","name":"AgentDiet MX Deliverability Verifier","description":"Deterministic B2A/A2A/MCP/x402/MPP/L402 execution and intelligence node at https://status.agentdiet.dev settling in USDC on Base.","url":"https://status.agentdiet.dev/v1/mx-deliverability-verifier?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","POST"],"type":"string"},"queryParams":{"type":"object","properties":{"email":{"type":"string"}}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object"}}}}},"responseSchema":{"type":"json","example":{"data":{},"status":"ok","roi_proof":{"compression_ratio_pct":91.4}}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.005","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":"$0.005/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_NX1zNXU0FSl6O8VKyv8cz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Verifies email deliverability by checking MX (mail exchange) records and related deliverability signals for a given email address","exampleAgentPrompt":"Can you check whether hello@example.com is deliverable — specifically verify its MX records and confirm it won't bounce before I send anything to it?","exampleUseCases":[{"title":"Pre-send email list cleanup","prompt":"Before I launch this email campaign, check if contact@bigcorp.com is actually deliverable and has valid MX records set up — I don't want bounces tanking my sender score."},{"title":"New user registration validation","prompt":"We just got a signup from user@startup.io — can you verify that email address is deliverable and the domain has proper MX records before we provision their account?"},{"title":"B2B lead qualification","prompt":"I have a sales lead with the email cto@prospect.net — verify it's a real, deliverable address with working MX records so I know it's worth reaching out to."}],"resultDescription":"Returns a JSON object with a status field ('ok') and a data object containing email deliverability information including MX record presence and validity. The response also includes an roi_proof field showing a compression ratio (e.g. 91.4%), indicating token-efficient output packaging.","failureModes":["Invalid or malformed email address input returns an error","Domain with no MX records returns a non-deliverable result","DNS lookup timeout if the domain is unreachable","Missing required 'input' field returns a schema validation error","Payment failure via x402/USDC may block the request"],"whenToPreferThis":"Choose this endpoint when you need a lightweight, pay-per-use email MX deliverability check at $0.005 USDC per call with no subscription overhead. Prefer it in agent-native, A2A, or MCP workflows where micropayments via x402 on Base are already supported. Best suited for single-address spot checks rather than bulk batch validation.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-22T12:43:14.920Z","isFirstParty":false,"canonicalSlug":"agentdiet-mx-deliverability-verifier-8367d34d"}