{"uid":"cap_ViFSzoT_2plBKN9imE5Xb","slug":"agent402-tools-uuid-validator-50d06f4a","name":"agent402.tools UUID Validator","description":"Validate a UUID and report its version (1-8) and variant. Accepts hyphenated or braced forms.","url":"https://agent402.tools/api/uuid-validate","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"uuid":{"type":"string"}}},"responseSchema":{"type":"json","example":{"valid":true,"variant":"RFC 9562","version":7}},"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_q3yLxUR94Vbt7L3O_nTGq","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 UUID string, reporting its version (1–8) and variant, and accepting hyphenated or braced forms.","exampleAgentPrompt":"Is this a valid UUID, and if so what version is it? '550e8400-e29b-41d4-a716-446655440000'","exampleUseCases":null,"resultDescription":"Returns whether the UUID is valid, its version number (1–8), and its variant — works with standard hyphenated UUIDs and braced forms like {uuid}.","failureModes":["Invalid or missing uuid field returns a validation error or false result","Non-UUID strings return invalid","Malformed JSON body returns 400","Payment not included results in 402 Payment Required"],"whenToPreferThis":"Use this endpoint when you need to programmatically verify that a string is a legitimate UUID, determine its version (e.g. v4 random vs v1 time-based), or normalize/parse braced and hyphenated UUID formats.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T19:14:02.943Z","isFirstParty":false}