{"uid":"cap_rX_8ICEwnhd0bg5gBIfOc","slug":"jwt-encode-sign-and-generate-json-web-tokens-4579b050","name":"JWT Encode — Sign and Generate JSON Web Tokens","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://apex-api-gamma.vercel.app/api/tools/jwt/encode","method":"POST","headers":{},"bodySchema":{"type":"object","properties":{"query":{"type":"string","description":"Search query or input parameter"}}},"responseSchema":{"type":"object","description":"API response data"},"example":null,"exampleRequest":null,"tags":["x402"],"displayCostAmount":"0.119464","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":"$0.119464/call","primary":{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.119464","per":"call","confidence":"exact"},"accepted":[{"kind":"static","protocol":"x402","network":"base","amountUsd":"0.119464","per":"call","confidence":"exact"}]},"paymentMethods":[{"uid":"pm_VZr3bAEZDXD0osy45YTy2","protocol":"x402","methodType":"crypto","chain":"base","mode":"charge","costAmount":"0.119464","costPer":"request","priority":0,"asset":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913","unit":"request","depositMicros":null,"planRef":null}],"brandName":null,"brandSlug":null,"brandBaseUrl":null,"brandDocsUrl":null,"whatItDoes":"Encodes and signs a payload into a JWT (JSON Web Token) string using standard algorithms","exampleAgentPrompt":"Can you encode this payload into a JWT token: user_id=42, role=admin, expires in 1 hour?","exampleUseCases":null,"resultDescription":"Returns a signed JWT token string that can be used as a bearer token for API authentication or authorization flows, encoding the provided claims/payload according to JWT standards.","failureModes":["Invalid or missing payload returns an error response","Unsupported algorithm specification causes failure","Malformed input schema results in 400-level error","Service unavailability returns 5xx error","Payment failure or insufficient USDC balance prevents call"],"whenToPreferThis":"Use this endpoint when you need to programmatically generate a JWT token from a custom payload without managing your own JWT signing infrastructure. Ideal for agents that need to produce authentication tokens on the fly, test JWT-based APIs, or encode claims as part of an automated workflow — all without requiring a dedicated auth server or API keys.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-15T00:53:55.269Z","isFirstParty":false}