{"uid":"cap__WbKoCHKM6Mo12vtCbVUc","slug":"chainverdict-isin-validator-b4a1860d","name":"ChainVerdict ISIN Validator","description":"x402 v2 pay-per-call. Unpaid requests receive HTTP 402 with payment requirements.","url":"https://chainverdict.xyz/v1/validate/isin/%7Bisin%7D","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"},"pathParams":{"type":"object","required":["isin"],"properties":{"isin":{"type":"string","description":"12-character ISIN (ISO 6166)"}}},"queryParams":{"type":"object","properties":{}}},"additionalProperties":false},"output":{"type":"object","required":["type"],"properties":{"type":{"type":"string"},"example":{"type":"object","additionalProperties":true}}}}},"responseSchema":null,"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_WfckrUZXyXkNN00NLBNYv","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 12-character ISIN (ISO 6166 securities identifier) and returns validation results for that instrument","exampleAgentPrompt":"Can you validate the ISIN US0378331005 for me and tell me if it's a legitimate securities identifier?","exampleUseCases":[{"title":"Pre-trade ISIN compliance check","prompt":"Before we submit this bond order, can you verify that the ISIN XS2345678901 is valid and correctly formatted?"},{"title":"Data pipeline quality gate","prompt":"I'm ingesting a batch of securities data and need to confirm that ISIN DE0005140008 is a valid ISO 6166 identifier before storing it."},{"title":"Investor portfolio audit","prompt":"I have this ISIN code GB0002634946 from an old portfolio statement — can you check whether it's a real, valid securities identifier?"}],"resultDescription":"Returns a validation response indicating whether the provided ISIN is valid according to ISO 6166 rules, including check-digit verification and structural correctness of the 12-character code.","failureModes":["HTTP 402 returned if payment is not included with the request","Invalid or malformed ISIN path parameter returns an error","ISIN not exactly 12 characters may be rejected","Network timeout if ChainVerdict service is unavailable","Incorrect country prefix or check digit results in failed validation response"],"whenToPreferThis":"Use this endpoint when you need a fast, pay-per-call ISIN validation without a subscription, particularly suited for on-demand validation in automated pipelines or agent workflows that only occasionally need to verify securities identifiers. Prefer this over free regex-only validators when authoritative check-digit verification is required.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-11T18:36:45.638Z","isFirstParty":false}