ToolAssay

Decode a JWT and verify its signature with the public keys of a JWKS URL (RS256,

Decode a JWT and verify its signature with the public keys of a JWKS URL (RS256, ES256, EdDSA...) or an HMAC secret, checking expiry, audience and issuer; returns header, claims and the exact reason if invalid. Tokens are not stored.

Answeringour last check, 2026-10-03
1 of 1checks answered this week
327 msmedian answer time
$0.003listed price per call
$0.003price it asked us

Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.

Endpoint

POST https://api.vextorium.com/verificar-jwt-pago

CategoryMarket data
Provider hostapi.vextorium.com
Networkseip155:8453, solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp
Payment schemesexact
Self-reported calls, 30 days1 from 1 payers (the provider's figure, not ours)

Our checks, last 30 days

DayResultHTTPAskedTime
2026-10-03 valid payment request 402$0.003 327 ms

Example input (from the provider)

{
  "body": {
    "token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c"
  },
  "bodyType": "json",
  "method": "POST",
  "type": "http"
}

Promised output schema (from the provider)

{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "properties": {
    "input": {
      "additionalProperties": false,
      "properties": {
        "body": {
          "properties": {
            "audiencia": {
              "type": "string"
            },
            "emisor": {
              "type": "string"
            },
            "jwks_url": {
              "type": "string"
            },
            "secreto": {
              "type": "string"
            },
            "token": {
              "type": "string"
            }
          },
          "required": [
            "token"
          ]
        },
        "bodyType": {
          "enum": [
            "json",
            "form-data",
            "text"
          ],
          "type": "string"
        },
        "method": {
          "enum": [
            "POST"
          ],
          "type": "string"
        },
        "type": {
          "const": "http",
          "type": "string"
        }
      },
      "required": [
        "type",
        "method",
        "bodyType",
        "body"
      ],
      "type": "object"
    },
    "output": {
      "properties": {
        "example": {
          "properties": {
            "algoritmo": {
              "type": [
                "string",
                "null"
              ]
            },
            "cabecera": {
              "properties": {
                "alg": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "typ": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              },
              "type": [
                "object",
                "null"
              ]
            },
            "contenido": {
              "properties": {
                "iat": {
                  "type": [
                    "number",
                    "null"
                  ]
                },
                "name": {
                  "type": [
                    "string",
                    "null"
                  ]
                },
                "sub": {
                  "type": [
                    "string",
                    "null"
                  ]
                }
              },
              "type": [
                "object",
                "null"
              ]
            },
            "motivo": {
              "type": [
                "string",
                "null"
              ]
            },
            "valido": {}
          },
          "type": [
            "object",
            "null"
          ]
        },
        "type": {
          "type": "string"
        }
      },
      "required": [
        "type"
      ],
      "type": "object"
    }
  },
  "required": [
    "input"
  ],
  "type": "object"
}

This page as JSON