{"uid":"cap_yARl9JiJpbYx7-UJTGmTy","slug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-253ec910","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/disposable-email)","url":"https://whale-momentum.agentdiet.dev/v1/disposable-email?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_iDquRtMkKea9KrWY4DgBi","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@example.com is a real, deliverable email — specifically whether it's from a disposable provider, whether the domain has valid MX, SPF, and DMARC records set up, and if it looks like a role account?","exampleUseCases":[{"title":"Signup fraud prevention filter","prompt":"Before I create an account for this user, check if the email they gave me — tempuser@mailnator.com — is from a disposable or burner provider and whether it has working MX records. I want to block throwaway signups."},{"title":"CRM lead quality check","prompt":"I'm about to add leads@somestartup.io to our CRM — can you verify it's a real deliverable address, check if it's a role account, and confirm the domain has SPF and DMARC properly configured?"},{"title":"Email campaign list hygiene","prompt":"Before we send our newsletter, check newsletter@bigcorp.com to make sure it's not a disposable address, has valid MX records so it can actually receive mail, and has SPF/DMARC set up — I don't want bounces or spam flags."}],"resultDescription":"Returns a structured object indicating whether the email passes syntax validation, whether the domain belongs to a known disposable/burner email provider, whether the address is a role account (e.g. admin@, info@), and live DNS lookup results for the domain's MX, SPF, and DMARC records including their values and presence status.","failureModes":["Missing or malformed email parameter returns a validation error","DNS lookup timeout if the email domain is unreachable or DNS is slow","Unknown or very new domains may lack MX/SPF/DMARC records even if legitimate","Disposable provider database may not include the most recently created burner services","Payment failure (HTTP 402) if x402 micropayment is not honored by the calling agent"],"whenToPreferThis":"Choose this endpoint when you need a single API call that combines email syntax checking, disposable/burner domain detection, role account flagging, and live DNS MX/SPF/DMARC record validation — rather than piecing together separate DNS lookup and blocklist tools. It is especially useful for signup fraud prevention, CRM data hygiene, or pre-send email campaign validation where deliverability and authenticity both matter. It is priced per-call at $0.005 USD via x402 micropayment, making it cost-effective for high-volume validation workflows.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-21T12:51:21.936Z","isFirstParty":false,"canonicalSlug":"whale-momentum-agentdiet-dev-b2a-email-deliverability-mx-spf-dmarc-44657b70"}