{"uid":"cap_cf-QQlBubAkZ0zJBbRLMH","slug":"agent402-uk-payout-preflight-check-4b6a69a6","name":"Agent402 UK — Payout Preflight Check","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/jobs/payout-preflight","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"rail":{"type":"string","description":"auto|iban|uk_bank|aba|clabe|cpf|cnpj|ifsc|eth|sol|btc|crypto"},"chain":{"type":"string","description":"eth|sol|btc when destination is a wallet"},"amount":{"type":"string","description":"Positive decimal amount"},"currency":{"type":"string","description":"ISO-ish currency code"},"sort_code":{"type":"string","description":"UK sort code when rail=uk_bank"},"destination":{"type":"string","description":"IBAN, CLABE, CPF/CNPJ, IFSC, ABA, or wallet"},"account_number":{"type":"string","description":"UK account number when rail=uk_bank"}}},"responseSchema":{"type":"json","example":{"rail":"iban","allow":true,"valid":true,"reasons":[]}},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.003","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":"$0.003/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.003","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_rWpEJthc0npoj8nhNZ1y3","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a payment destination and rail before executing a payout, returning a go/no-go decision with reasons.","exampleAgentPrompt":"Before I send £500 to sort code 20-00-00, account number 12345678 via UK bank rail, run a payout preflight to check if the destination is valid and we're good to go.","exampleUseCases":[{"title":"UK bank transfer validation","prompt":"Before we send £1,200 to sort code 30-96-26, account number 87654321 via the uk_bank rail, do a preflight check to confirm the destination is valid and the payout is allowed."},{"title":"IBAN preflight before SEPA payment","prompt":"We're about to send €800 to IBAN DE89370400440532013000 via the IBAN rail — can you run a preflight check first to make sure it's valid and safe to proceed?"},{"title":"Crypto wallet preflight before on-chain transfer","prompt":"Before I transfer 0.5 ETH to wallet address 0xAbC123... on the eth chain, run a payout preflight to confirm the destination is valid and the transfer is allowed."}],"resultDescription":"Returns a JSON object with: `allow` (boolean go/no-go decision), `valid` (boolean whether the destination passes format checks), `rail` (detected or confirmed payment rail), and `reasons` (array of strings explaining any rejection or warnings). An empty reasons array with allow=true means the payout is cleared to proceed.","failureModes":["Invalid or malformed IBAN fails mod-97 checksum — allow=false with reasons listing format error","Unsupported rail value returns validation error","Missing required destination field returns 400-class error","Invalid UK sort code or account number combination flagged as invalid","Crypto wallet address fails checksum for the specified chain — valid=false","Payment amount is zero or negative — rejected with reasons","Currency code not recognised for the specified rail — reasons populated"],"whenToPreferThis":"Use this endpoint before executing any payout to avoid burning gas fees, processing charges, or LLM tokens on a doomed transfer. Ideal when the destination is user-supplied and may be malformed, or when the rail must be auto-detected. Prefer over manual validation logic when supporting multiple rails (IBAN, UK bank, ABA, CLABE, IFSC, crypto) in a single agent workflow. Complements the sibling IBAN-only validator when multi-rail support is needed.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:01:02.157Z","isFirstParty":false}