Query the status of a video generation task
cURL
curl --request GET \ --url https://api.example.com/v1beta/models/veo-3.1-fast-generate-preview/operations/{operation_id}
curl --location 'https://api.gptproto.com/v1beta/models/veo-3.1-generate-preview/operations/{operation_id}' \ --header 'x-goog-api-key: YOUR_API_KEY'
{ "error": { "message": "Invalid signature", "type": "401" } }