{"uid":"cap_B1p4C1Yq4XKzWITM2MOcq","slug":"delx-jwt-expiry-seconds-checker-4d5c3bcb","name":"Delx JWT Expiry Seconds Checker","description":"Pay-per-result APIs for agents. No signup. Exact price. Verifiable delivery. USDC on Base + Solana via x402.","url":"https://commerce.delx.ai/api/v1/x402/jwt-exp-seconds?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"token":{"type":"string","description":"Input field: token."}}},"responseSchema":{"type":"json","example":{"ok":true,"exp":4800000000,"note":"claims only — signature not verified","schema":"delx/util-jwt-exp-seconds/v1","expired":false,"seconds_remaining":3009483560,"signature_verified":false}},"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_rTFyWNLcUkIyx8R3Wa6vo","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":"Parses a JWT token and returns its expiration time, seconds remaining, and whether it is expired — without verifying the signature","exampleAgentPrompt":"Can you check how many seconds are left before this JWT token expires: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwiZXhwIjoxNzAwMDAwMDAwfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c","exampleUseCases":[{"title":"Pre-flight token expiry check","prompt":"Before I make this API call, can you check if this JWT is still valid and how many seconds it has left: eyJhbGciOiJSUzI1NiJ9.eyJleHAiOjE3OTk5OTk5OTl9.signature123"},{"title":"Automated session refresh trigger","prompt":"I need to know if this user session token is about to expire — check the expiry on this JWT and tell me the seconds remaining so I can decide whether to refresh it: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJleHAiOjE3MjAwMDAwMDB9.abc"},{"title":"Debugging stale token issue","prompt":"A service keeps rejecting my token. Can you decode the expiration claims from this JWT and tell me if it's already expired: eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJ1c2VyMSIsImV4cCI6MTY5MDAwMDAwMH0.xyz"}],"resultDescription":"Returns a JSON object indicating whether the JWT is expired (boolean), the raw expiration Unix timestamp (exp), the number of seconds remaining until expiration, and a note clarifying that only claims are parsed and the signature is not verified. Also includes the schema identifier 'delx/util-jwt-exp-seconds/v1' and a signature_verified field (always false).","failureModes":["Malformed or non-JWT string returns an error response","Token with no exp claim may return unexpected results","Signature is explicitly not verified — validity of claims cannot be trusted cryptographically","Network or payment failure may prevent response delivery"],"whenToPreferThis":"Choose this endpoint when you need a fast, cheap, lightweight way to inspect JWT expiration claims without full signature verification — ideal for pre-call token checks, session management, or debugging expired tokens. It is not a substitute for full JWT verification; use it when you only need the timing/expiry information and trust the token's origin separately.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-01T00:53:53.950Z","isFirstParty":false,"canonicalSlug":"delx-jwt-expiry-seconds-checker-4d5c3bcb"}