Create or update one failover mapping

A valid request URL is required to generate request examples

{
  "created_at": "<string>",
  "enabled": true,
  "fallback_models": [
    "<string>"
  ],
  "managed": true,
  "managed_source": "<string>",
  "primary_model": "<string>",
  "updated_at": "<string>"
}

{
  "code": "<string>",
  "message": "<string>",
  "param": "<string>",
  "provider": "<string>",
  "status_code": 123,
  "type": "provider_error"
}

{
  "code": "<string>",
  "message": "<string>",
  "param": "<string>",
  "provider": "<string>",
  "status_code": 123,
  "type": "provider_error"
}

{
  "code": "<string>",
  "message": "<string>",
  "param": "<string>",
  "provider": "<string>",
  "status_code": 123,
  "type": "provider_error"
}

{
  "code": "<string>",
  "message": "<string>",
  "param": "<string>",
  "provider": "<string>",
  "status_code": 123,
  "type": "provider_error"
}