Runnable Node.js and Python examples for the Google Flow API by useapi.net — generate Veo 3.1 video, Gemini Omni Flash audio-native video, and Nano Banana 2 Lite / Nano Banana 2 / Nano Banana Pro images through a simple REST API that drives your own Google Flow subscription (no Google Cloud project, API key, or per-call metering).
Each example ships JavaScript and Python implementations (.mjs and .py) driven by a prompts.json you edit. Most are batch runners: they submit every prompt in the file and download every result, so you can queue a batch and come back to the winners. ugc-product-video/ is a pipeline instead — it chains six endpoints into one finished video, checkpointing as it goes.
| Example | What it does | Tutorial |
|---|---|---|
veo-video/ |
Batch-generate Veo 3.1 video — text-to-video, first/last-frame image-to-video, reference-to-video | Generate Veo 3.1 video via curl |
images/ |
Batch-generate images with Nano Banana 2, Nano Banana Pro | Generate images via curl |
nano-banana-compare/ |
Run one prompt through all three Nano Banana models (2 Lite, 2, Pro) and compare | Nano Banana 2 Lite vs 2 vs Pro compared |
omni-flash/ |
Batch-generate Gemini Omni Flash audio-native video — text-to-video, reference-to-video, video-to-video edit | Generate Omni Flash video via curl |
ugc-product-video/ |
Build a whole UGC product video — product sheets, a presenter, one still, an Omni 1.1 Flash clip per product, upscaled and joined | Make a UGC product video |
You need Node.js v21 or newer or Python 3.x (neither has any dependencies to install), a useapi.net API token, and a connected Google Flow account (one 15ドル/month subscription covers every useapi.net API):
git clone https://github.com/useapi/google-flow-api.git cd google-flow-api/veo-video node ./google-flow.mjs <API_TOKEN> <EMAIL> # or, equivalently, with Python: python3 ./google-flow.py <API_TOKEN> <EMAIL>
Edit prompts.json in each folder to queue your own prompts. Every supported parameter is documented on the POST /videos and POST /images endpoint pages.
useapi.net is an experimental REST API for AI services. The Google Flow API drives your own Google Flow / Google AI subscription, so you spend your plan's credits at consumer rates instead of metered developer-API pricing. See the model matrix and the pricing comparison on the API overview.
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