{"uid":"cap__GpsJ5n-IunMRmYsYd2-x","slug":"pennyrail-email-address-validation-5b3af5d5","name":"PennyRail Email Address Validation","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/validation.email--email-address-validation","method":"POST","headers":{},"bodySchema":{"type":"object","required":["input"],"properties":{"input":{"type":"string"}}},"responseSchema":{"type":"object","additionalProperties":true},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.001","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":"$0.001/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.001","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_mVveo9puLETtY1tl7oIDz","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.001","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates whether a given email address is properly formatted and deliverable","exampleAgentPrompt":"Can you check whether 'john.doe@example.com' is a valid email address before I add it to my contact list?","exampleUseCases":[{"title":"Pre-signup email verification","prompt":"Before creating this account, check if the email address 'newuser@gmail.com' is actually valid and properly formatted."},{"title":"Bulk lead list cleanup","prompt":"I have a lead email 'sales.contact@acme.co' — can you verify it's a real, valid email address before I add it to my outreach campaign?"},{"title":"Form submission validation","prompt":"A user just submitted 'jane_doe@@company.org' in our signup form — is that a valid email address?"}],"resultDescription":"Returns a JSON object indicating whether the provided email address passes validation checks, typically including format correctness and potentially deliverability signals.","failureModes":["Missing or empty input string returns an error","Malformed request body (missing 'input' field) causes a 400-level error","Payment not fulfilled results in 402 response before validation occurs","Service timeout if upstream validation provider is slow"],"whenToPreferThis":"Choose this endpoint when you need a quick, low-cost ($0.001 USDC) pay-per-call email validation without a subscription, especially in agent workflows using the x402 micropayment protocol. Ideal for spot-checking individual email addresses in real time rather than batch processing.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:56.813Z","isFirstParty":false}