---
updatedAt: 2026-08-05T15:32:06.000Z
---

# Initiate pre-authorized code flow.

Use this API to generate pre-authorized code.

# OpenAPI definition

```json
{
  "openapi": "3.0.1",
  "info": {
    "version": "1.0.0",
    "description": "OAuth and OIDC",
    "title": "OAuth and OIDC"
  },
  "servers": [
    {
      "url": "https://{tenanturl}",
      "variables": {
        "tenanturl": {
          "default": "{tenant_url}",
          "description": "URL of your IBM Security Verify tenant"
        }
      }
    }
  ],
  "tags": [
    {
      "name": "OpenID Connect API v2"
    }
  ],
  "paths": {
    "/oauth2/preauth": {
      "post": {
        "tags": [
          "OpenID Connect API v2"
        ],
        "summary": "Initiate pre-authorized code flow.",
        "description": "Use this API to generate pre-authorized code.",
        "requestBody": {
          "description": "Request body",
          "content": {
            "*/*": {
              "schema": {
                "type": "string",
                "description": "The pre-authorized request JWT."
              }
            }
          },
          "required": false
        },
        "responses": {
          "200": {
            "description": "The pre-authorized code was returned.",
            "content": {}
          },
          "400": {
            "description": "The request was invalid.",
            "content": {}
          },
          "404": {
            "description": "The resource was not found.",
            "content": {}
          },
          "500": {
            "description": "An internal server error occurred.",
            "content": {}
          }
        },
        "x-publicAPI": "true",
        "x-category": "OAuth and OIDC",
        "x-codegen-request-body-name": "payload"
      }
    }
  },
  "x-original-swagger-version": "2.0",
  "x-explorer-enabled": false
}
```