{"uid":"cap_FmvAPsD8Uz1KLXC7opOC8","slug":"polish-pesel-validator-e7e6554a","name":"Polish PESEL Validator","description":"Format and checksum validation for IBAN, EU VAT, Polish NIP/REGON/PESEL and email, pay-per-call via x402. Only $0.001 (0.1 cent) per check, paid via x402 in USDC on Base.","url":"https://validate.crewofthecaptain.com/api/validate/pl-pesel?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"value":{"type":"string","maxLength":512}}},"responseSchema":{"type":"json","example":{"type":"pl-pesel","valid":true,"reason":"ok","normalized":"…"}},"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_nczhT9twvhiNjADv2UPfW","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 the format and checksum of a Polish PESEL national identification number, returning validity status and normalized form.","exampleAgentPrompt":"Can you check whether this Polish PESEL number is valid: 44051401458?","exampleUseCases":[{"title":"KYC onboarding for Polish users","prompt":"We're onboarding a new user from Poland who provided PESEL 90090515836 — can you verify whether that PESEL is valid before we proceed?"},{"title":"Form validation before submission","prompt":"Before I submit this registration form, check if the PESEL I entered — 02070803628 — is correctly formatted and has a valid checksum."},{"title":"Batch data cleaning pipeline","prompt":"I have a Polish customer record with PESEL 85041400020 — validate it and tell me if it's a genuine PESEL or garbage data."}],"resultDescription":"A JSON object containing: 'type' (pl-pesel), 'valid' (boolean indicating whether the PESEL passes format and checksum checks), 'reason' (human-readable explanation such as 'ok' or a description of the error), and 'normalized' (the cleaned, canonical form of the PESEL string).","failureModes":["Invalid or missing 'value' field returns valid:false with a reason describing the format error","Non-string or empty input may return a 400-level error","PESEL with wrong checksum digit returns valid:false with reason explaining checksum failure","Payment failure via x402 returns HTTP 402 before validation occurs"],"whenToPreferThis":"Choose this endpoint when you specifically need to validate Polish PESEL numbers — the 11-digit national personal identification number used in Poland. It is purpose-built for PESEL checksum logic, which differs from generic regex checks. Prefer it over a general-purpose validator when dealing with Polish user identity data, KYC flows, or compliance checks requiring authoritative PESEL validation. It costs only $0.001 per call via x402/USDC on Base, making it economical for high-volume pipelines.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-12T12:39:34.381Z","isFirstParty":false,"canonicalSlug":"polish-pesel-validator-e7e6554a"}