{"uid":"cap_1bohYlisueMVpZ255qIEr","slug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-c6f3b18a","name":"B2A Email Deliverability, MX, SPF & DMARC Verifier","description":"Validates email syntax, disposable/burner provider status, role accounts, and live DNS MX/SPF/DMARC records. (Live x402 v2, IETF MPP & MCP endpoint at https://whale-momentum.agentdiet.dev/v1/mx-deliverability-verifier)","url":"https://whale-momentum.agentdiet.dev/v1/mx-deliverability-verifier?utm_source=zero.xyz","method":"GET","headers":{},"bodySchema":{"type":"object","required":["email"],"properties":{"email":{"type":"string","minLength":1,"description":"Email address to validate for syntax, MX deliverability, and disposable risk"}}},"responseSchema":{"type":"object"},"example":null,"exampleRequest":null,"tags":[],"displayCostAmount":"0.005","displayCostAsset":"USD","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":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"mpp","network":"tempo","amountUsd":"0.005","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_SnQFPbzxg2R7djlRGN7De","protocol":"mpp","methodType":"crypto","chain":"tempo","mode":"charge","costAmount":"0.005","costPer":"request","priority":0,"asset":"0x833589fcd6edb6e08f4c7c32d4f71b54bda02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":"whale-momentum.agentdiet.dev","brandSlug":"whale-momentum-agentdiet-dev-mpp","brandBaseUrl":"https://whale-momentum.agentdiet.dev","brandDocsUrl":null,"whatItDoes":"Validates an email address for syntax correctness, disposable/burner provider status, role account detection, and live DNS MX, SPF, and DMARC record checks.","exampleAgentPrompt":"Can you check whether john.doe@acmecorp.io is a real, deliverable email address — specifically whether it passes syntax checks, isn't a disposable or role account, and has valid MX, SPF, and DMARC DNS records?","exampleUseCases":[{"title":"Lead quality gate before CRM entry","prompt":"Before I add this new lead to our CRM, can you verify that sarah.johnson@startupxyz.com is a real deliverable email — check if it's disposable, a role account, and whether the domain has proper MX, SPF, and DMARC records set up?"},{"title":"Fraud detection for user signup","prompt":"A user just signed up with the email temp123@guerrillamail.com — can you check if this is a burner or disposable email address, and whether it would actually be deliverable?"},{"title":"Email campaign list hygiene","prompt":"I want to send a newsletter to contact@bigclient.org — can you verify the email syntax is valid, confirm the domain has MX records pointing somewhere real, and check whether SPF and DMARC are configured so replies won't bounce?"}],"resultDescription":"Returns a structured object indicating email syntax validity, whether the domain uses a known disposable/burner provider, whether the address is a role account (e.g. admin@, info@), and live DNS lookup results for MX, SPF, and DMARC records — providing a comprehensive deliverability and authentication assessment.","failureModes":["Missing or empty email parameter returns a validation error","Malformed email string may return syntax-invalid status rather than an error","DNS lookup timeouts for domains with slow or unreachable nameservers","Non-existent domains return no MX/SPF/DMARC records found","Payment required (HTTP 402) if x402 USDC micropayment is not attached"],"whenToPreferThis":"Choose this endpoint when you need a comprehensive, all-in-one email validation that goes beyond simple syntax checking to include live DNS MX/SPF/DMARC lookups, disposable provider detection, and role account identification in a single call — ideal for lead enrichment pipelines, signup fraud prevention, and pre-campaign email list hygiene.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T07:20:54.201Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-44657b70"}