{"uid":"cap_lGx6ABLSv-69EX5rKerDi","slug":"nexusapi-jwt-encode-87265d2e","name":"NexusAPI JWT Encode","description":"Crypto, AI, Social Media, Finance, Weather, Tools & more. Pay per call in USDC on Base. No API keys.","url":"https://nexus-api-peach-nine.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_N9GUjSM8h7TiMNr2MdJ5R","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 a payload into a signed JWT (JSON Web Token) string","exampleAgentPrompt":"Can you encode this payload into a JWT token: {\"userId\": \"12345\", \"role\": \"admin\", \"exp\": 1893456000}?","exampleUseCases":null,"resultDescription":"A signed JWT string (e.g. eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...) that encodes the provided claims and can be used for authentication or session management.","failureModes":["Invalid or malformed payload JSON returns an error response","Missing required query/input parameter returns 400-level error","Expired or invalid payment results in 402 Payment Required","Server-side signing failure returns 500 error"],"whenToPreferThis":"Use this endpoint when you need a pay-per-call, keyless JWT encoding service without setting up your own signing infrastructure. Ideal for agents that need to generate JWTs on the fly without managing secret keys or authentication credentials.","instructions":null,"reviewSummary":null,"reviewSummaryHighlights":null,"reviewSummaryConcerns":null,"reviewSummaryGeneratedAt":null,"activationCount":0,"lastUsedAt":null,"lastSuccessfullyRanAt":null,"lastHealthCheckAt":"2026-09-14T18:57:07.259Z","isFirstParty":false}