> ## Documentation Index
> Fetch the complete documentation index at: https://docs.zype.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Validate Device Session token

Indicates whether the device has an unexpired authentication token.

# OpenAPI definition

```json
{
  "openapi": "3.0.1",
  "info": {
    "title": "TVE",
    "description": "",
    "version": "1.0"
  },
  "servers": [
    {
      "url": "https://tve.zype.com/"
    }
  ],
  "security": [
    {
      "api_key": []
    }
  ],
  "paths": {
    "/adobe/validate": {
      "post": {
        "summary": "Validate Device Session token",
        "description": "Indicates whether the device has an unexpired authentication token.",
        "operationId": "postValidateDeviceSession",
        "tags": [
          "Adobe"
        ],
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "title": "Validate Adobe Device Session authentication token",
                "type": "object",
                "required": [
                  "device_session_id"
                ],
                "properties": {
                  "device_session_id": {
                    "type": "string",
                    "description": "The device session ID returned from the Register Adobe Device Session endpoint"
                  }
                }
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "Device session validated successfully",
            "content": {
              "application/json": {
                "schema": {
                  "type": "object",
                  "properties": {
                    "valid": {
                      "type": "boolean",
                      "description": "Indicates whether the device session is valid"
                    }
                  },
                  "example": {
                    "valid": true
                  }
                }
              }
            }
          },
          "400": {
            "description": "Unprocessable entity",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/paths/~1adobe~1authn/post/responses/400/content/application~1json/schema"
                },
                "example": {
                  "message": "Invalid authn"
                }
              }
            }
          }
        }
      }
    }
  },
  "components": {
    "securitySchemes": {
      "api_key": {
        "type": "apiKey",
        "name": "api_key",
        "in": "query",
        "description": "The adobe api key"
      }
    }
  }
}
```