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

# /v1/devices/oauth

> Process OAuth client credentials for device onboarding

## OpenAPI

````json POST /v1/devices/oauth
{
  "openapi": "3.0.0",
  "info": {
    "title": "Graphiant APIs",
    "version": "1.0.0",
    "description": "Graphiant API documentation."
  },
  "servers": [
    {
      "url": "https://api.graphiant.com"
    }
  ],
  "security": [
    {
      "jwtAuth": []
    }
  ],
  "tags": [],
  "paths": {
    "/v1/devices/oauth": {
      "post": {
        "description": "Process OAuth client credentials for device onboarding",
        "requestBody": {
          "required": true,
          "content": {
            "application/json": {
              "schema": {
                "$ref": "#/components/schemas/v1DevicesOauthPostRequest"
              }
            }
          }
        },
        "responses": {
          "200": {
            "description": "OAuth token generated successfully",
            "content": {
              "application/json": {
                "schema": {
                  "$ref": "#/components/schemas/v1DevicesOauthPostResponse"
                }
              }
            }
          },
          "400": {
            "description": "Bad request - Invalid input"
          },
          "500": {
            "description": "Internal server error"
          }
        }
      }
    }
  },
  "components": {
    "schemas": {
      "v1DevicesOauthPostRequest": {
        "type": "object",
        "properties": {
          "grant_type": {
            "type": "string",
            "enum": [
              "client_credentials"
            ],
            "example": "client_credentials",
            "description": "OAuth grant type"
          },
          "scope": {
            "type": "string",
            "example": "type=zt-cpe uuid=device-uuid-123 hostname=device.example.com",
            "description": "OAuth scope containing device type, UUID, and hostname"
          },
          "state": {
            "type": "string",
            "example": "state-12345",
            "description": "OAuth state parameter"
          },
          "code_verify": {
            "type": "string",
            "example": "code-verify-12345",
            "description": "OAuth code verifier"
          },
          "pt": {
            "type": "string",
            "example": "hardware",
            "description": "Platform type"
          },
          "bm": {
            "type": "string",
            "example": "p",
            "description": "Boot mode"
          }
        },
        "required": [
          "grant_type",
          "scope"
        ]
      },
      "v1DevicesOauthPostResponse": {
        "type": "object",
        "properties": {
          "access_token": {
            "type": "string",
            "example": "access-token-12345",
            "description": "OAuth access token"
          },
          "expires_in": {
            "type": "integer",
            "example": 3600,
            "description": "Token expiration time in seconds"
          },
          "token_type": {
            "type": "string",
            "example": "Bearer",
            "description": "Token type"
          }
        }
      }
    },
    "securitySchemes": {
      "jwtAuth": {
        "type": "apiKey",
        "in": "header",
        "name": "authorization",
        "description": "Use `Bearer <token>`"
      }
    }
  }
}
````