{
  "users": [
    {
      "creditLimit": 50,
      "userId": "f4a2b3c8-0d1e-4f5a-9b6c-7d8e9f0a1b2c",
      "usesDefaultLimit": true
    }
  ]
}

{
  "detail": "<string>",
  "status": 400
}

{
  "detail": "Unauthorized: Missing or invalid API key",
  "status": 401
}

{
  "detail": "<string>",
  "status": 403
}

{
  "detail": "<string>",
  "status": 404
}

{
  "error": "<response_code>",
  "message": "<error_reason>"
}

{
  "error": "<response_code>",
  "message": "<error_reason>"
}