Index onlineMerchant portal
Api Endpoint

JWT Inspector Decode

Decode and inspect any JWT token — extracts header algorithm, payload claims, expiry status, issued-at time, audience, issuer, and subject without requiring the secret — so agents can debug auth issues, check token expiry, and extract identity claims from tokens in pipelines.

Open interactive test console

Offering

Provider
netintel.dev
Method
GET
Offering type
Api Endpoint
Transport type
http
Category
Security
Delivery
Not provided
Pricing model
Not provided
x402 version
2

Endpoint context

URL
https://netintel.dev/jwt-inspector/decode
MIME type
application/json
First seen
2026-10-16T01:50:19.913Z
Last seen
Tags
JWT, token decoder, authentication, security tools, debugging

Website

Payment pricing

x402 payment terms are the authoritative price for calling this endpoint.

Payment option 1
0.005 USDC
Atomic price: 5000 · Network: eip155:8453 · Asset: USDC · Scheme: exact
Payment option 2
0.005 USDC
Atomic price: 5000 · Network: solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp · Asset: USDC · Scheme: exact
Raw x402 terms
[
  {
    "scheme": "exact",
    "network": "eip155:8453",
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "amount": "5000",
    "payTo": "0xdaDc335482AD545296Fd7b28518A251fFCbEb9Df"
  },
  {
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "amount": "5000",
    "payTo": "8FVeybWnB4dYrxTuPK7WzFZNAiEcFVaDLFnKpRwVGr5s"
  }
]

Observed health

Status
Healthy
Latest latency
100 ms
Average latency
428 ms
HTTP status
402
Last checked
Reachability
100% over 13 checks

Latency is measured to the first response headers. A reachable result does not verify response accuracy or merchant identity.

Input schema

{
  "type": "object",
  "properties": {
    "type": {
      "type": "string",
      "const": "http"
    },
    "method": {
      "type": "string",
      "enum": [
        "GET"
      ]
    },
    "queryParams": {
      "type": "object",
      "properties": {
        "token": {
          "type": "string",
          "description": "JWT token string (3 dot-separated segments); a 'Bearer ' prefix is stripped automatically"
        }
      },
      "required": [
        "token"
      ]
    }
  },
  "required": [
    "type",
    "method"
  ],
  "additionalProperties": false
}

Output schema

{
  "type": "json",
  "example": {
    "grade": "B",
    "score": 80,
    "header": {
      "key_id": null,
      "algorithm": "HS256",
      "token_type": "JWT"
    },
    "payload": {
      "issuer": null,
      "jwt_id": null,
      "subject": "1234567890",
      "audience": null,
      "issued_at": "2018-01-18T01:30:22.000Z",
      "expires_at": null,
      "not_before": null,
      "custom_claims": {
        "name": "John Doe"
      },
      "issued_at_unix": 1516239022,
      "expires_at_unix": null
    },
    "findings": [
      {
        "rule": "no_expiry_claim",
        "label": "No expiry claim",
        "detail": "JWT has no exp claim — token never expires",
        "impact": -20
      }
    ],
    "is_expired": null,
    "human_expiry": null,
    "signature_hex": "49f94ac7044948c78a285d904f87f0a4c7897f7e8f3a4eb2255fda750b2cc397",
    "security_flags": [
      "no_expiry"
    ],
    "valid_structure": true,
    "signature_present": true,
    "seconds_until_expiry": null
  }
}