{"uid":"cap_GUGt1jBakDXOv3PE-Q7zb","slug":"pennyrail-email-validation-5946e628","name":"PennyRail Email Validation","description":"Machine-readable settlement service","url":"https://pennyrail.vercel.app/api/p/nano/validation.email--email-valid","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_oy5O04ckwXbV0QrJnjHmh","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 and valid email address","exampleAgentPrompt":"Can you check whether 'john.doe@example.com' is a valid email address before I save it to the database?","exampleUseCases":[{"title":"User registration form email check","prompt":"Before I create this account, check if 'jane_smith@mycompany.org' is actually a valid email address."},{"title":"Bulk lead list cleanup","prompt":"I have a lead I need to qualify — can you verify that 'marketing@acme-corp.com' is a properly formatted, valid email?"},{"title":"Contact form input sanitization","prompt":"A user just submitted 'notanemail@@broken' through our contact form — can you validate whether that's a real email address?"}],"resultDescription":"Returns a JSON object indicating whether the provided string is a valid email address, likely including a boolean validity flag and possibly format or syntax details about the email.","failureModes":["Missing or empty input string returns validation error","Malformed request body without required 'input' field returns 400-level error","Payment failure via x402 protocol blocks the request","Service timeout or Vercel cold-start latency may cause occasional delays","Very long strings or non-string inputs may cause unexpected behavior"],"whenToPreferThis":"Use this endpoint when you need a quick, low-cost ($0.001 USDC) machine-readable email validation check — especially in agentic pipelines using the x402 micropayment protocol. Prefer this over regex-only checks when you want an API-backed validation decision, and over heavier SMTP-verification services when a lightweight format/syntax check suffices.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T07:21:56.811Z","isFirstParty":false}