# JWT Decode (No Verification)

> JWT Decode (No Verification) is a paid API for AI agents from apex-edge-coral.vercel.app, paid per call via x402, $0.002/call, status unknown (last checked 2026-10-31).

Decodes a JWT token to expose its header and payload claims without performing cryptographic signature verification

## Facts

- Endpoint: GET https://apex-edge-coral.vercel.app/api/v1/util/jwt-decode?utm_source=zero.xyz
- Price: $0.002/call
- Payment: x402
- Status: unknown
- Last checked: 2026-10-31
- Activations on Zero: 0
- Tags: x402
- Canonical page: https://www.zero.xyz/c/jwt-decode-no-verification-23e19100
- Structured record (JSON): https://api.zero.xyz/v1/capabilities/cap_fNXKMnTkoN1G3AezjwWx7

Status and success rate cover calls made through Zero and Zero's own probes. Third-party monitors may report differently.

## How to call it through Zero

Zero handles the 402 payment challenge and records the run. With the Zero CLI installed (`npm i -g @zeroxyz/cli`):

```sh
zero fetch --capability jwt-decode-no-verification-23e19100
```

Example prompt: Can you decode this JWT for me and show me what's in the payload — eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c — no need to verify the signature, just tell me what claims are in it.

## When to prefer this

Use this endpoint when you need to inspect or extract claims from a JWT token quickly without caring about cryptographic validity — for example, during debugging, logging, or when you already trust the token's source and just need to read its payload. Do not use this when you need to verify that a JWT was actually signed by a trusted party; for that, use a proper JWT verification service that validates the signature against a known secret or public key.

## Known failure modes

- Malformed or non-base64url token string returns an error
- Missing 'token' query parameter results in a bad request
- Token with fewer than three segments (not a valid JWT structure) may fail to parse
- Network timeout or service unavailability returns a 5xx error

## How this service works

jwt decode-only (no verification)

## Output

Returns the decoded contents of the JWT token including the header (algorithm, token type) and payload (claims such as sub, iat, exp, role, etc.) as structured JSON. No signature verification is performed — the result reflects raw decoded data only.

## Request schema (JSON Schema)

```json
{
 "type": "object",
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "required": [
  "input"
 ],
 "properties": {
  "input": {
   "type": "object",
   "properties": {
    "queryParams": {
     "type": "object",
     "properties": {
      "token": {
       "type": "string"
      }
     }
    }
   }
  },
  "output": {
   "type": "object",
   "properties": {
    "example": {
     "status": "ok"
    }
   }
  }
 }
}
```

## More

- Live health (JSON, refreshed every minute): https://www.zero.xyz/c/jwt-decode-no-verification-23e19100/health.json
- [Zero catalog index](https://www.zero.xyz/llms.txt)
- [Other services from apex-edge-coral.vercel.app](https://www.zero.xyz/host/apex-edge-coral.vercel.app/llms.txt)