Auth

Start CLI device authorization

Last updated August 23, 2026

post/v1/auth/device/code

Request

Required

Content type application/json

Property	Type	Required	Description
`clientId`	`string`	Required	—
`codeChallenge`	`string`	Required	—
`codeChallengeMethod`	`string`	Required	—

View JSON schema

{
  "type": "object",
  "required": [
    "clientId",
    "codeChallenge",
    "codeChallengeMethod"
  ],
  "properties": {
    "clientId": {
      "type": "string",
      "minLength": 1
    },
    "codeChallenge": {
      "type": "string",
      "minLength": 1
    },
    "codeChallengeMethod": {
      "type": "string",
      "const": "S256"
    }
  }
}

Responses

`201`

Device authorization request created.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`data`	`object`	Required	—
`data.deviceCode`	`string`	Required	—
`data.userCode`	`string`	Required	—
`data.client`	`object`	Required	—
`data.client.id`	`string`	Required	—
`data.client.name`	`string`	Required	—
`data.client.publisher`	`string`	Required	—
`data.expiresIn`	`integer`	Required	—
`data.interval`	`integer`	Required	—
`data.verificationUri`	`string (uri)`	Required	—
`data.verificationUriComplete`	`string (uri)`	Required	—

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "data"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": true
    },
    "data": {
      "type": "object",
      "required": [
        "deviceCode",
        "userCode",
        "client",
        "expiresIn",
        "interval",
        "verificationUri",
        "verificationUriComplete"
      ],
      "properties": {
        "deviceCode": {
          "type": "string"
        },
        "userCode": {
          "type": "string"
        },
        "client": {
          "type": "object",
          "required": [
            "id",
            "name",
            "publisher"
          ],
          "properties": {
            "id": {
              "type": "string"
            },
            "name": {
              "type": "string"
            },
            "publisher": {
              "type": "string"
            }
          }
        },
        "expiresIn": {
          "type": "integer"
        },
        "interval": {
          "type": "integer"
        },
        "verificationUri": {
          "type": "string",
          "format": "uri"
        },
        "verificationUriComplete": {
          "type": "string",
          "format": "uri"
        }
      }
    }
  }
}

`400`

The request payload or parameters are invalid.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

`401`

Authentication is missing, invalid, or expired.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

`402`

The requested operation requires a paid plan. API access (organization API keys) requires the Starter plan or higher; a downgraded organization receives this error until its plan is restored.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

`403`

The authenticated principal cannot access the resource.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

`404`

The requested resource was not found.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

`413`

The request body exceeds the 1 MB limit.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

`429`

The rate limit was exceeded. API key limits are set by plan tier (Starter 600/min, Pro 1500/min, Enterprise 3000/min). Check the Retry-After header before retrying.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

`500`

An unexpected internal error occurred.

Content type application/json

Property	Type	Required	Description
`success`	`boolean`	Required	—
`error`	`object`	Required	—
`error.code`	`"UNAUTHORIZED" \| "FORBIDDEN" \| "INSTANCE_LIMIT_REACHED" \| "PLAN_LIMIT_REACHED" \| "PLAN_REQUIRED" \| "INVALID_ORIGIN" \| "INVALID_REGION" \| "INVALID_PAYLOAD" \| "NOT_FOUND" \| "CONFLICT" \| "KEY_LIMIT_REACHED" \| "PAYLOAD_TOO_LARGE" \| "RATE_LIMITED" \| "SERVICE_UNAVAILABLE" \| "INTERNAL_ERROR"`	Required	—
`error.message`	`string`	Required	—
`error.details`	`unknown`	Optional	Optional structured error details.

View JSON schema

{
  "type": "object",
  "required": [
    "success",
    "error"
  ],
  "properties": {
    "success": {
      "type": "boolean",
      "const": false
    },
    "error": {
      "type": "object",
      "required": [
        "code",
        "message"
      ],
      "properties": {
        "code": {
          "type": "string",
          "enum": [
            "UNAUTHORIZED",
            "FORBIDDEN",
            "INSTANCE_LIMIT_REACHED",
            "PLAN_LIMIT_REACHED",
            "PLAN_REQUIRED",
            "INVALID_ORIGIN",
            "INVALID_REGION",
            "INVALID_PAYLOAD",
            "NOT_FOUND",
            "CONFLICT",
            "KEY_LIMIT_REACHED",
            "PAYLOAD_TOO_LARGE",
            "RATE_LIMITED",
            "SERVICE_UNAVAILABLE",
            "INTERNAL_ERROR"
          ]
        },
        "message": {
          "type": "string"
        },
        "details": {
          "description": "Optional structured error details."
        }
      }
    }
  }
}

REST API overview: Every operation in this API.

Examples

const response = await fetch("https://api.inth.com/v1/auth/device/code", {
  method: "POST",
  headers: {
    "Content-Type": "application/json"
  },
  body: JSON.stringify({
    "clientId": "string",
    "codeChallenge": "string",
    "codeChallengeMethod": "string"
  }),
});
const data = await response.json();

Response · 201

Example

{
  "success": true,
  "data": {
    "deviceCode": "string",
    "userCode": "string",
    "client": {
      "id": "string",
      "name": "string",
      "publisher": "string"
    },
    "expiresIn": 0,
    "interval": 0,
    "verificationUri": "https://example.com",
    "verificationUriComplete": "https://example.com"
  }
}

Response · 400

Example: default

{
  "success": false,
  "error": {
    "code": "INVALID_PAYLOAD",
    "message": "Invalid request payload",
    "details": [
      {
        "code": "too_small",
        "message": "Too small: expected string to have >=1 characters",
        "path": [
          "name"
        ]
      }
    ]
  }
}

Response · 401

Example: default

{
  "success": false,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "Authentication required"
  }
}

Response · 402

Example: default

{
  "success": false,
  "error": {
    "code": "PLAN_REQUIRED",
    "message": "API access requires the Starter plan or higher"
  }
}

Response · 403

Example

{
  "success": true,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "string",
    "details": {}
  }
}

Response · 404

Example

{
  "success": true,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "string",
    "details": {}
  }
}

Response · 413

Example

{
  "success": true,
  "error": {
    "code": "UNAUTHORIZED",
    "message": "string",
    "details": {}
  }
}

Response · 429

Example: default

{
  "success": false,
  "error": {
    "code": "RATE_LIMITED",
    "message": "API key rate limit exceeded"
  }
}

Response · 500

Example: default

{
  "success": false,
  "error": {
    "code": "INTERNAL_ERROR",
    "message": "Internal server error"
  }
}

Request

Responses

201

400

401

402

403

404

413

429

500

Related

`201`

`400`

`401`

`402`

`403`

`404`

`413`

`429`

`500`