curl --request POST \
  --url https://app.autoposting.ai/api-proxy/auth/social/exchange \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "provider": "google",
  "code": "<string>"
}
'

{
  "success": true,
  "data": {
    "token": "sk-social-your-key",
    "user": {
      "id": "usr_01HXYZ",
      "email": "user@example.com",
      "name": "Jane Doe",
      "emailVerified": true
    }
  }
}