{"uid":"cap_XteCljni0lwIQfTKgqV9t","slug":"delx-commerce-email-validate-05197c79","name":"Delx Commerce Email Validate","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/email-validate?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"email":{"type":"string"},"timeout":{"type":"integer","maximum":15,"minimum":1,"description":"Per-network-phase cap; the whole tool shares a 8-second active budget including resolution and fallbacks. Not an end-to-end latency SLA."}}},"responseSchema":{"type":"json","example":{"result":{"domain":"example.com","a_records":["93.184.216.34"],"mx_records":["10 mx.example.com."],"normalized":"agent@example.com","syntax_valid":true,"likely_deliverable":true},"tool_name":"util_email_validate"}},"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_RiIGw7GWA0naY2CkrbIee","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":"Validates an email address by checking syntax, DNS A records, MX records, and deliverability likelihood, returning normalized form and verification details.","exampleAgentPrompt":"Can you check whether 'jane.doe@acmecorp.com' is a real, deliverable email address — verify the syntax, DNS records, and MX servers?","exampleUseCases":[{"title":"Pre-send email list cleanup","prompt":"I have a new lead email 'john.smith@bigclient.io' — can you check if it's syntactically valid and actually deliverable before I add it to our outreach campaign?"},{"title":"User registration input validation","prompt":"A user just signed up with the email 'support@startup.xyz' — verify whether that email address is real and has working mail servers before we create their account."},{"title":"CRM data quality audit","prompt":"Can you validate 'contact@oldvendor.net' to see if the domain still has active MX records and the address is likely deliverable? I want to know if it's worth keeping in our CRM."}],"resultDescription":"Returns a JSON object with: syntax_valid (boolean), likely_deliverable (boolean), normalized email string, domain name, list of A record IP addresses for the domain, and list of MX records with priorities. Also includes tool_name identifier.","failureModes":["Invalid or malformed email string returns syntax_valid false with no DNS data","Domain has no MX records — likely_deliverable false even if syntax is valid","DNS lookup timeout if timeout parameter is set too low (min 1s, max 15s)","Non-existent domain returns empty A and MX record arrays","Payment failure via x402 protocol prevents API call from completing","Network/upstream DNS resolver errors may cause intermittent failures"],"whenToPreferThis":"Choose this endpoint when you need a fast, pay-per-call email validation with DNS-level verification (A and MX record checks) and no signup friction. Ideal for agents needing real-time deliverability checks on individual addresses with verifiable, microtransaction-based billing in USDC. Prefer over bulk email verification services when operating in agentic, pay-as-you-go workflows on Base or Solana.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:54:01.490Z","isFirstParty":false,"canonicalSlug":"delx-commerce-email-validate-05197c79"}