{"uid":"cap_V8zdT5SYZ7dzm8RqZhtv9","slug":"fittings-lei-validator-93ccb10a","name":"fittings LEI Validator","description":"Validate an ISO 17442 Legal Entity Identifier checksum and extract its issuing LOU prefix.","url":"https://fittings.sh/v1/valid/lei","method":"GET","headers":{},"bodySchema":{"type":"object","$schema":"https://json-schema.org/draft/2020-12/schema","required":["input"],"properties":{"input":{"type":"object","required":["type","method"],"properties":{"type":{"type":"string","const":"http"},"method":{"enum":["GET"],"type":"string"},"queryParams":{"type":"object","required":["lei"],"properties":{"lei":{"type":"string"}}}},"additionalProperties":false}}},"responseSchema":null,"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_m6CLNkBdwJydVeS9X3RO3","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 an ISO 17442 Legal Entity Identifier (LEI) checksum and extracts the issuing LOU prefix from the code.","exampleAgentPrompt":"Can you check whether the LEI code 529900T8BM49AURSDO55 is valid and tell me which LOU issued it?","exampleUseCases":[{"title":"KYC due diligence on counterparty","prompt":"Before we onboard this financial counterparty, can you verify their LEI 254900OPPU84GM83AG37 is structurally valid and tell me which Local Operating Unit issued it?"},{"title":"Bulk data cleaning for LEI fields","prompt":"I have an LEI from a client record — 7LTWFZYICNSX8D621K86 — can you check if the checksum is correct so I know whether the data entry was accurate?"},{"title":"Regulatory reporting pre-flight check","prompt":"We're about to submit a trade report and need to confirm the LEI 969500CHL179N8RQAN12 passes ISO 17442 checksum validation before we file it."}],"resultDescription":"Returns whether the LEI checksum is valid according to ISO 17442, along with the extracted issuing LOU prefix (the first 4 characters of the LEI code that identify the Local Operating Unit that registered the entity).","failureModes":["Invalid or malformed LEI string returns a failed validation result","LEI not 20 characters long causes a validation error","Missing 'lei' query parameter returns a 400 bad request","Network timeout if the service is temporarily unavailable"],"whenToPreferThis":"Use this endpoint when you need a fast, cheap, offline-style structural validation of an LEI code — confirming checksum integrity and extracting the issuing LOU prefix — without needing to look up the live GLEIF registry. Ideal for data cleaning, pre-submission checks, and KYC pipelines where structural correctness is the first gate.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-13T12:44:20.991Z","isFirstParty":false}