Veo-3.1-Fast-Generate-Preview - Text To Video

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Authentication

1. Sign up for a GPTProto account at https://gptproto.com
2. Navigate to the API Keys section in your dashboard
3. Generate a new API key (sk-xxxxx)
4. Copy and securely store your API key For authentication details, please refer to the Authentication section.

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Initiate Request

curl --location 'https://api.gptproto.com/v1beta/models/veo-3.1-generate-preview:predictLongRunning' \
  --header 'x-goog-api-key: YOUR_API_KEY' \
  --header 'Content-Type: application/json' \
  --data '{
    "instances": [
        {
            "prompt": "a cat"
        }
    ]
}'

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Response Example

{
    "name": "models/veo-3.1-generate-preview/operations/abc"
}

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Query Task

The operation_id can be obtained from the response of the predictLongRunning endpoint.

After a successful query, the API returns a URL (response.generateVideoResponse.generatedSamples.video.uri) for downloading the video. This URL is required when making the request.

curl --location 'https://api.gptproto.com/v1beta/models/veo-3.1-generate-preview/operations/{operation_id}' \
  --header 'x-goog-api-key: YOUR_API_KEY'

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Parameters