{"uid":"cap_13Z2GQYsRzamWtsHXama7","slug":"agentshelf-syntexa-ch-jwt-parts-decoder-e7f358b8","name":"agentshelf.syntexa.ch JWT Parts Decoder","description":"Call when an agent needs a decoded JWT header and payload with no signature check. Exact $0.001 USDC. Prefer unpaid POST /v1/sandbox/jwt-parts first.","url":"https://agentshelf.syntexa.ch/v1/jwt-parts?utm_source=zero.xyz","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"text":{"type":"string","examples":["eyJhbGciOiJub25lIn0.eyJzdWIiOiJkZW1vIn0.sig"],"maxLength":100000,"minLength":1,"description":"Input for this SKU. The route description says whether it is plain text, a URL, base64 bytes, or an already-encoded token."}}},"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_VRu0G4zHHQQ_5J4LC1VaE","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":"Decodes a JWT token into its header and payload components without verifying the signature","exampleAgentPrompt":"Can you decode this JWT for me and show me the header and payload? eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c — I just want to see what's inside, no need to verify it.","exampleUseCases":[{"title":"Inspect token claims during debugging","prompt":"I'm debugging an auth issue and I have this JWT — can you decode it and tell me what the payload says? eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJ1c2VySWQiOiI0MiIsInJvbGUiOiJhZG1pbiIsImV4cCI6MTcwMDAwMDAwMH0.signature — just need to see the claims inside."},{"title":"Audit token algorithm and issuer","prompt":"Can you parse this JWT and tell me what signing algorithm and issuer it declares in the header? eyJhbGciOiJFUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6ImtleS0xIn0.eyJpc3MiOiJteWFwcC5jb20iLCJzdWIiOiJ1c2VyXzEyMyJ9.sig — I don't need signature verification, just the header and payload fields."},{"title":"Extract expiry and subject from token","prompt":"Pull apart this JWT for me and show me the expiry time and subject from the payload: eyJhbGciOiJIUzM4NCIsInR5cCI6IkpXVCJ9.eyJzdWIiOiJ1c2VyXzk5IiwiZXhwIjoxNzAwMDAwMDAwLCJpYXQiOjE2OTk5OTk5OTl9.abc123 — no need to check the signature."}],"resultDescription":"Returns the decoded JWT header and payload as structured JSON objects, revealing all claims and header fields such as algorithm (alg), type (typ), subject (sub), expiry (exp), issued-at (iat), and any custom claims — without performing any signature verification.","failureModes":["Malformed or non-JWT input string returns an error indicating invalid token format","Input that is not a valid base64url-encoded JWT structure fails to parse","Missing or empty text field returns a validation error","Token with fewer than three dot-separated segments is rejected","Very large token strings may be truncated at the 100,000 character limit"],"whenToPreferThis":"Choose this endpoint when you need to inspect JWT header or payload fields without caring about signature validity — for example during debugging, audit, or claim extraction workflows. It is a paid alternative to the free POST /v1/sandbox/jwt-parts endpoint on the same host; prefer the sandbox version if available. Do not use this endpoint when you need cryptographic verification that the token is authentic and untampered.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-10-02T00:40:51.622Z","isFirstParty":false,"canonicalSlug":"agentshelf-syntexa-ch-jwt-parts-decoder-e7f358b8"}