{"uid":"cap_ut2uLZWBmehZV9eTou6Gi","slug":"agent402-uk-lei-validator-491b3959","name":"Agent402 UK LEI 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/lei","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"lei":{"type":"string","description":"20-char LEI"}}},"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":"down","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_AL_TpxUTURmAzG3fTDxvt","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 20-character Legal Entity Identifier (ISO 17442) for correct format and mod-97 checksum integrity","exampleAgentPrompt":"Can you check whether the LEI '2138005O9XJIJN4JPN90' is structurally valid — correct format and passing the mod-97 checksum?","exampleUseCases":[{"title":"KYB pre-screening pipeline gate","prompt":"Before we proceed with onboarding this corporate client, validate that their LEI '969500T3MBS4SQAMHJ45' is correctly formatted and passes checksum — I don't want to waste a GLEIF lookup on a bad code."},{"title":"Compliance form input validation","prompt":"A user just entered '213800WSGIIZCXF1P572' as their company's LEI on our onboarding form — can you confirm it's a valid ISO 17442 LEI before we let them proceed?"},{"title":"Data quality audit on entity records","prompt":"I've got a dataset of LEI codes from our CRM and I need to flag any that are structurally invalid or fail the mod-97 checksum — start with '549300MLUDYVRQOOXS22' as a test case."}],"resultDescription":"Returns a JSON object with a 'valid' boolean indicating overall structural validity, and a 'valid_checksum' boolean confirming whether the mod-97 checksum passes. Does not perform a live GLEIF registry lookup — purely format and checksum validation.","failureModes":["LEI string is not exactly 20 characters — validation will return false","Non-alphanumeric characters cause format failure","Checksum digits are incorrect — valid_checksum returns false even if format is otherwise correct","Empty or missing 'lei' field returns an error","Network timeout or payment failure (x402) prevents response"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap structural gate on an LEI code before committing to an expensive live GLEIF registry lookup, or when you simply need to confirm a string conforms to ISO 17442 format with a valid mod-97 checksum. Ideal for high-volume onboarding pipelines, form validation, and data quality checks where live entity status is not required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T16:26:05.176Z","isFirstParty":false}