{"uid":"cap_i8zYQ-iU_ygWk2smTmb58","slug":"pennyrail-email-validation-08620931","name":"PennyRail Email Validation","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/validation.email--validate-email","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_zfhtNF6VzLgokyboZHDN3","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 string is a properly formatted, legitimate email address","exampleAgentPrompt":"Check if 'john.doe@example.com' is a valid email address before I add it to my contacts.","exampleUseCases":[{"title":"Registration form email check","prompt":"Before I save this new user signup, can you validate that 'jane_smith@mycompany.org' is a properly formatted, legitimate email address?"},{"title":"Mailing list cleanup","prompt":"I have an address 'not-an-email@@broken..com' that someone submitted — can you verify whether it's a valid email so I know whether to include it in the newsletter send?"},{"title":"CRM data quality gate","prompt":"Before importing this lead into our CRM, please check if 'sales.contact@partner-corp.io' is a valid email address."}],"resultDescription":"A JSON object indicating whether the provided input string is a valid email address, likely including validity status and possibly details about format or domain correctness.","failureModes":["Missing or empty input string returns an error","Non-string input may cause schema validation failure","Network or service unavailability returns a 5xx error","Payment failure (x402) if USDC balance is insufficient","Ambiguous or borderline addresses may return uncertain results"],"whenToPreferThis":"Use this endpoint when you need a lightweight, pay-per-call email validation check without committing to a larger validation service subscription. Particularly suitable for agents that occasionally need to verify a single email address in a pipeline, registration flow, or data-cleaning task and want to pay only for what they use via USDC microtransactions.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T06:52:55.253Z","isFirstParty":false}