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Google Veo 3.1 Fast Video Generation
Google Veo 3.1 Fast Video Generation is a paid API for AI agents from video.withzero.xyz, paid per call via MPP, $0.8/call, status unknown (last checked 2026-09-13).
Generates a short video clip with native audio from a text prompt using Google Veo 3.1 Fast, returning a job ID to poll for the finished video URL.
Price / call$0.8
Success—
StatusUnknown
How this service works
Generate a video from a text prompt with Google Veo 3.1 Fast — high quality with native audio at a faster turnaround. Returns a job id; poll the status route for the finished video URL.
Output
Returns a JSON object with a job_id, status set to 'pending', the model name, the USDC price charged, and a poll_path pointing to the status route where the agent can check for the finished video URL once generation is complete.
Example use cases
Example prompt
“Use Google Veo 3.1 Fast to generate an 8-second 1080p video in 16:9 of a golden retriever running through a sunlit meadow with birds chirping, with audio enabled.”
Technical details
Endpoint
POSThttps://video.withzero.xyz/api/v1/videos/veo-3.1-fastWhen to prefer
Choose this endpoint when you need fast turnaround on high-quality AI video generation with native audio using Google's Veo 3.1 Fast model, especially when speed is prioritized over maximum visual fidelity. Prefer this over Veo 3.1 (non-fast) when turnaround time matters more than peak 4K quality.
Side effects
- Invalid prompt length (empty or exceeds 4000 characters) — validation error
- Unsupported duration value (not 4, 6, or 8) — schema validation failure
- Unsupported resolution value — enum validation error
- Service temporarily unavailable or overloaded — 5xx error
- Job accepted but video generation fails during processing — poll route returns error status
- Invalid aspect_ratio value — enum validation error
Input
Schema · Request body
| Field | Type | Description |
|---|---|---|
| seed | integer | Seed for repeatable generation (best effort). |
| audiorequired | boolean | Generate a synchronized audio track. |
| promptrequired | string | Text description of the video to generate. |
| durationrequired | — | Clip length in seconds. One of: 4, 6, 8. |
| resolutionrequired | string | Output resolution. One of: 720p, 1080p, 4K. |
| aspect_ratio | string | Aspect ratio of the output. One of: 16:9, 9:16. |
Output
Schema · Response
| Field | Type | Description |
|---|---|---|
| modelrequired | string | The model generating the video. |
| job_idrequired | string | Job id for the generation. Poll the status route with this id. |
| statusrequired | string | The job has been accepted and is generating. |
| poll_pathrequired | string | Path of the free status route to poll for the finished video. |
| price_usdcrequired | string | The amount charged for this generation, in USDC. |
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