Jwt Decode

Last 30 days

Uptime

100%

Response time

274 ms typical, 849 ms slowest 5%

Last check

3 h ago

Next check

any minute now

How to call it

# bash or zsh: see the payment challenge (nothing is charged)
curl -g -i -X POST 'https://tanod.dev/v1/jwt/decode' \
  -H 'content-type: application/json' \
  --data-raw '{"token":"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwiZXhwIjoxNzk5OTk5OTk5fQ.c2ln"}'

import { wrapFetchWithPayment } from "@x402/fetch";
import { x402Client } from "@x402/core/client";
import { ExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

const client = new x402Client().register(
  "eip155:8453",
  new ExactEvmScheme(privateKeyToAccount(process.env.AGENT_KEY)),
);
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? Preflight it first for $0.005:
// GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Ftanod.dev%2Fv1%2Fjwt%2Fdecode
const res = await pay("https://tanod.dev/v1/jwt/decode", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: "{\"token\":\"eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwiZXhwIjoxNzk5OTk5OTk5fQ.c2ln\"}",
});
console.log(await res.json());

Example input

{
  "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwiZXhwIjoxNzk5OTk5OTk5fQ.c2ln"
}

Example output

{
  "alg": "HS256",
  "claims": {
    "exp": "2027-01-15T08:26:39Z",
    "expired": false,
    "expires_in_seconds": 7776000,
    "not_yet_valid": false,
    "sub": "1234567890"
  },
  "has_signature": true,
  "header": {
    "alg": "HS256",
    "typ": "JWT"
  },
  "kid": null,
  "note": "Decoded only: the signature was NOT verified, so none of these claims is trustworthy until /v1/jwt/verify (or your own check) passes. Times are compared with the server clock.",
  "payload": {
    "exp": 1799999999,
    "sub": "1234567890"
  },
  "server_time": "2026-10-10T00:00:00Z",
  "signature_bytes": 32,
  "typ": "JWT",
  "verified": false
}

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