{"uid":"cap_2cT9elzOnnD8fzsCWJq7l","slug":"isin-validator-iso-6166-e2b1ee1a","name":"ISIN Validator (ISO 6166)","description":"Validate a securities ISIN (ISO 6166): format, check digit, issuing country and embedded CUSIP (US/CA, with its own check) or SEDOL (GB/IE). Computed locally; nothing stored.","url":"https://api.vextorium.com/validar-isin-pago?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"isin":{"type":"string","description":"ISIN code, e.g. US0378331005 or ES0113900J37"}}},"responseSchema":{"type":"json","example":{"isin":"US0378331005","nsin":"037833100","pais":"United States","cusip":"037833100","valido":true,"pais_codigo":"US","cusip_valido":true,"digito_control":"5"}},"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_b04Wmqt6b6TFPfVk_VmvB","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.003","costPer":"request","priority":0,"asset":"EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Validates a securities ISIN code: checks format, ISO 6166 check digit, issuing country, and embedded CUSIP (US/CA) or SEDOL (GB/IE) — computed locally with no data stored.","exampleAgentPrompt":"Can you check whether US0378331005 is a valid ISIN — I need to know if the format, check digit, and embedded CUSIP all pass?","exampleUseCases":[{"title":"Pre-trade ISIN integrity check","prompt":"Before we submit this order, validate that ISIN GB0002634946 is correctly formatted and that its embedded SEDOL passes the check — I need a green light before it goes to the broker."},{"title":"Data pipeline ISIN cleansing","prompt":"I have an ISIN ES0113900J37 from an external feed and I need to verify it's valid, confirm the issuing country, and extract the NSIN so I can store the clean record in our database."},{"title":"Compliance screening pre-check","prompt":"Our compliance system flagged CA9861913023 — can you validate its ISIN format and check digit, and tell me what country it was issued in and whether the embedded CUSIP is also valid?"}],"resultDescription":"A JSON object containing: the normalized ISIN string, a boolean validity flag, the NSIN (national securities identifier portion), the issuing country name and ISO code, the extracted CUSIP (for US/CA) or SEDOL (for GB/IE), a boolean indicating whether that embedded identifier's own check digit is valid, and the ISIN check digit character.","failureModes":["Malformed ISIN (wrong length, non-alphanumeric characters) returns valido: false with null sub-fields","Unknown or unrecognized country prefix may result in null pais and null cusip/nsin fields","Check digit mismatch returns valido: false","Missing required 'isin' field in request body returns a validation error","Network timeout on the micro-API endpoint"],"whenToPreferThis":"Use this endpoint when you need fast, local (no external data stored), standards-compliant ISIN validation including ISO 6166 check digit verification, country identification, and embedded CUSIP (US/CA) or SEDOL (GB/IE) sub-identifier checks — all in a single call at very low cost. Prefer it over a general financial data API when you only need structural validation, not pricing or market data.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-16T18:47:58.828Z","isFirstParty":false,"canonicalSlug":"isin-validator-iso-6166-e2b1ee1a"}