{"uid":"cap_rlDdP7TzFW2BH4P5pKqje","slug":"agent402-uk-cpf-validator-5a6b11da","name":"Agent402 UK — CPF Validator","description":"Don't burn tokens on deterministic work. Go/no-go jobs first: payout preflight, text firewall (PII/secrets), budget check — then rails, calendars, finmath. x402 USDC on Base. UK + global. agent402.co.uk — not agent402.tools. $0.001–$0.002 USDC on Base. No API keys.","url":"https://agent402.co.uk/v1/validate/cpf","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"cpf":{"type":"string","description":"CPF, punctuation ok"}}},"responseSchema":{"type":"json","example":{"valid":true,"valid_checksum":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_Oe1fb92Rj4pZ8OvtLizsa","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 a Brazilian CPF tax number by checking format and mod-11 checksum, returning a structured pass/fail result.","exampleAgentPrompt":"Can you check whether this Brazilian CPF number is valid — '123.456.789-09' — and confirm if the checksum passes?","exampleUseCases":[{"title":"Pre-payout recipient validation","prompt":"Before we send a payout to this Brazilian supplier, check that their CPF '071.634.280-37' is valid and the checksum is correct."},{"title":"Onboarding KYC preflight","prompt":"We're onboarding a new Brazilian customer who gave us CPF '529.982.247-25' — can you verify it's a properly formatted, checksum-valid CPF before we proceed?"},{"title":"Bulk data cleanup check","prompt":"I have a CPF from an old record — '000.000.000-00' — can you tell me if it passes the CPF checksum so I know whether it's worth keeping?"}],"resultDescription":"Returns a JSON object with a 'valid' boolean (overall validity) and 'valid_checksum' boolean (whether the mod-11 check digit is correct). Allows the agent to gate downstream workflows on confirmed CPF integrity.","failureModes":["Malformed input (non-string or missing 'cpf' field) may return an error or invalid result","CPFs with all-zero digits pass formatting but fail checksum, returned as invalid","Network or payment-related failures if USDC payment via x402 is not properly handled","Edge cases like CPFs with all identical digits (e.g. 111.111.111-11) are algorithmically invalid and should be flagged as such"],"whenToPreferThis":"Use this endpoint when you need a fast, deterministic, offline CPF validation with checksum verification before executing a Brazilian payment, onboarding a user, or cleaning data — without burning LLM tokens on rule-based logic. Prefer it over asking an LLM to validate CPF, which is error-prone and wasteful for a fixed algorithm.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T06:40:09.870Z","isFirstParty":false}