{
  "x402Version": 2,
  "id": 52644,
  "slug": "52644",
  "resource": "https://jwt.openverbs.com/v1/sign",
  "description": "Mint a signed JSON Web Token from a JSON claims object, using a shared secret (HS*) or a PEM private key (RS/ES/PS). Supports expiresInSec, notBeforeSec, issuer, audience, subject and keyid. An unusable key or option is rejected before payment.",
  "type": "http",
  "serviceName": "Sign a JWT",
  "resourceType": "Utilities",
  "accepts": [
    {
      "scheme": "exact",
      "network": "eip155:8453",
      "payTo": "0xb3f4de103F34b99f0Da19B4F16D6B53a14C2194A",
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "amount": "4000",
      "amountUsd": 0.004,
      "maxTimeoutSeconds": 300
    }
  ],
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "body": {
            "algorithm": "HS256",
            "expiresInSec": 1,
            "key": "example",
            "notBeforeSec": 1,
            "payload": {}
          },
          "bodyType": "json",
          "method": "POST",
          "type": "http"
        }
      },
      "schema": {
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "properties": {
          "input": {
            "additionalProperties": false,
            "properties": {
              "body": {
                "additionalProperties": false,
                "properties": {
                  "algorithm": {
                    "description": "Signing algorithm, one of HS256, HS384, HS512, RS256, RS384, RS512, ES256, ES384, ES512, PS256, PS384, PS512.",
                    "enum": [
                      "HS256",
                      "HS384",
                      "HS512",
                      "RS256",
                      "RS384",
                      "RS512",
                      "ES256",
                      "ES384",
                      "ES512",
                      "PS256",
                      "PS384",
                      "PS512"
                    ],
                    "type": "string"
                  },
                  "audience": {
                    "description": "Set the `aud` claim.",
                    "type": "string"
                  },
                  "expiresInSec": {
                    "description": "Set `exp` this many seconds from now.",
                    "minimum": 0,
                    "type": "integer"
                  },
                  "issuer": {
                    "description": "Set the `iss` claim.",
                    "type": "string"
                  },
                  "key": {
                    "description": "The HMAC shared secret (HS*) or the PEM-encoded private key (RS/ES/PS).",
                    "maxLength": 16384,
                    "minLength": 1,
                    "type": "string"
                  },
                  "keyid": {
                    "description": "Set the `kid` header.",
                    "type": "string"
                  },
                  "noTimestamp": {
                    "description": "Omit the automatic `iat` claim.",
                    "type": "boolean"
                  },
                  "notBeforeSec": {
                    "description": "Set `nbf` this many seconds from now.",
                    "minimum": 0,
                    "type": "integer"
                  },
                  "payload": {
                    "description": "The claims to encode (an object).",
                    "type": "object"
                  },
                  "subject": {
                    "description": "Set the `sub` claim.",
                    "type": "string"
                  }
                },
                "required": [
                  "payload",
                  "key",
                  "algorithm"
                ],
                "type": "object"
              },
              "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"
          }
        },
        "required": [
          "input"
        ],
        "type": "object"
      }
    }
  },
  "tags": [
    "sign jwt",
    "create jwt token",
    "mint auth token",
    "generate jws signature",
    "jwt signing api",
    "bazaar"
  ],
  "sourceHost": "jwt.openverbs.com",
  "lastUpdated": "2026-10-02T02:17:40.996Z",
  "quality": {
    "calls30d": 2,
    "uniquePayers30d": 2,
    "lastCalledAt": "2026-10-02T02:17:40.726Z"
  },
  "metadata": {
    "serviceName": "Sign a JWT",
    "extensions": {
      "bazaar": {
        "info": {
          "input": {
            "body": {
              "algorithm": "HS256",
              "expiresInSec": 1,
              "key": "example",
              "notBeforeSec": 1,
              "payload": {}
            },
            "bodyType": "json",
            "method": "POST",
            "type": "http"
          }
        },
        "schema": {
          "$schema": "https://json-schema.org/draft/2020-12/schema",
          "properties": {
            "input": {
              "additionalProperties": false,
              "properties": {
                "body": {
                  "additionalProperties": false,
                  "properties": {
                    "algorithm": {
                      "description": "Signing algorithm, one of HS256, HS384, HS512, RS256, RS384, RS512, ES256, ES384, ES512, PS256, PS384, PS512.",
                      "enum": [
                        "HS256",
                        "HS384",
                        "HS512",
                        "RS256",
                        "RS384",
                        "RS512",
                        "ES256",
                        "ES384",
                        "ES512",
                        "PS256",
                        "PS384",
                        "PS512"
                      ],
                      "type": "string"
                    },
                    "audience": {
                      "description": "Set the `aud` claim.",
                      "type": "string"
                    },
                    "expiresInSec": {
                      "description": "Set `exp` this many seconds from now.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "issuer": {
                      "description": "Set the `iss` claim.",
                      "type": "string"
                    },
                    "key": {
                      "description": "The HMAC shared secret (HS*) or the PEM-encoded private key (RS/ES/PS).",
                      "maxLength": 16384,
                      "minLength": 1,
                      "type": "string"
                    },
                    "keyid": {
                      "description": "Set the `kid` header.",
                      "type": "string"
                    },
                    "noTimestamp": {
                      "description": "Omit the automatic `iat` claim.",
                      "type": "boolean"
                    },
                    "notBeforeSec": {
                      "description": "Set `nbf` this many seconds from now.",
                      "minimum": 0,
                      "type": "integer"
                    },
                    "payload": {
                      "description": "The claims to encode (an object).",
                      "type": "object"
                    },
                    "subject": {
                      "description": "Set the `sub` claim.",
                      "type": "string"
                    }
                  },
                  "required": [
                    "payload",
                    "key",
                    "algorithm"
                  ],
                  "type": "object"
                },
                "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"
            }
          },
          "required": [
            "input"
          ],
          "type": "object"
        }
      }
    }
  },
  "liveness": {
    "reliability": null
  },
  "verified": false,
  "featured": false,
  "provider": {
    "host": "jwt.openverbs.com",
    "manifest_name": "jwt.openverbs.com",
    "source": "cdp-mirror",
    "source_manifest_url": "https://api.cdp.coinbase.com/platform/v2/x402/discovery/resources",
    "submitted_at": "2026-10-14T01:15:01.050Z"
  }
}