### create conversation
POST https://ios.chat.openai.com/backend-api/conversation
Authorization: Bearer {{accessToken}}
Cookie: _devicecheck=user-xxx
Accept: text/event-stream
Content-Type: application/json

{
  "action": "next",
  "messages": [
    {
      "id": "{{$guid}}",
      "author": {
        "role": "user"
      },
      "content": {
        "content_type": "text",
        "parts": [
          "hello"
        ]
      },
      "metadata": {}
    }
  ],
  "model": "gpt-4",
  "timezone_offset_min": -480,
  "history_and_training_disabled": false,
  "supports_modapi": true
}

### get conversations
GET https://ios.chat.openai.com/backend-api/conversations?offset=0&limit=3&order=updated
Authorization: Bearer {{accessToken}}
Cookie: _devicecheck=user-xxx

### device check
POST https://ios.chat.openai.com/backend-api/devicecheck
Authorization: Bearer {{accessToken}}
Cookie: _preauth_devicecheck=xxx
Content-Type: application/json

{
	"bundle_id": "com.openai.chat",
	"device_token": "ad"
}

### me
GET https://ios.chat.openai.com/backend-api/me?include_groups=true
Authorization: Bearer {{accessToken}}
Cookie: _devicecheck=user-xxx