Google Flow API v1

November 17, 2025 (October 6, 2026)

This is the experimental API for Google Flow by Google Labs — generate cinematic AI video and images by driving your own Google Flow account through a REST API.

Models

Model id	Name	Output
`veo-3.1-fast` · `veo-3.1-quality` · `veo-3.1-lite`	Veo 3.1	Video — text-to-video & image-to-video
`omni-flash`	Omni 1.1 Flash	Audio-native video — voices, characters, start + end frames, V2V editing, 10s clips, 360p or 720p
`nano-banana-2-lite`	Nano Banana 2 Lite / Gemini 3.1 Flash-Lite Image	Image — default, all plans
`nano-banana-2`	Nano Banana 2.1	Image
`nano-banana-pro`	Nano Banana Pro / Gemini 3 Pro Image	Image

Pick a model per request with the model field. Image generation works on any Google AI plan, including a free account. Video generation needs a paid plan — see Pricing.

Pricing

Third-party Google Flow API by useapi.net vs. the official Gemini API — drive your own Google Flow subscription instead of metered, per-call API billing:

Model	Official Gemini API	useapi.net (Flow Pro)	useapi.net (Flow Ultra)
Veo 3.1 Fast — 8s clip	$0.80	~$0.40	~$0.10
Veo 3.1 Quality — 8s clip	$3.20	~$2.00	~$1.00
Veo 3.1 Lite — 8s clip	$0.40	~$0.20	~$0.05
Veo 3.1 Lite, lower priority	—	—	$0 (Ultra $199)
Omni 1.1 Flash — 8s clip	$0.81 (720p)	~$0.24	~$0.12
Omni 1.1 Flash — 8s clip at 360p	— (no 360p rate published)	~$0.12	~$0.06
Nano Banana Pro — per image	$0.134	included	included
Nano Banana 2.1 — per image	— (no rate published)	included	included
Nano Banana 2 Lite — per image	$0.034	included	included

Expected daily output — Ultra ($199/mo) plan. Daily averages observed on top real accounts. These are expected, not guaranteed: Google governs the underlying Flow allowances and they vary with demand.

Free workload (no Flow credits spent)	Avg generations / day*
Veo 3.1 Lite — lower priority video	~1,000
Images — Nano Banana 2 Lite, Nano Banana 2.1, Nano Banana Pro	up to ~500

*Averages from the busiest real accounts — not guarantees. They are set by Google’s own allowances and fluctuate with demand. Applies only to the free lower-priority video queue and image generation. Credit-metered models (Veo 3.1 Fast / Quality and Omni 1.1 Flash) are not shown here — their volume is bounded by your plan’s monthly Flow credits (see the credit table), not a free allowance.

Veo is billed per second on the Gemini API (an 8-second 720p clip shown) and images are priced per image. Through useapi.net you spend your own Flow plan credits and pay a flat $15/month — image generation is included on any Google AI plan, and there is no Google Cloud project, API key, or per-call metering.

Full per-model credit cost and monthly allowance per tier:

Video generation requires a paid Google AI subscription. Monthly Flow credit allowance per tier:

Tier	Price	Flow credits/mo	~Cost / credit
Plus	$7.99/mo	200	~$0.040
Pro	$9.99/mo first 6 mo, then $19.99/mo	1,000	~$0.020
Ultra $99	$99.99/mo	10,000	~$0.010
Ultra $199	$199.99/mo	25,000	~$0.008

Credit cost per generation and max generations/month per tier. Veo figures come from Google’s official table, Omni figures are measured against the live API. Each cell shows: credits · est. $/gen · max gens/mo.

Model	Plus (200 cr/mo)	Pro (1,000 cr/mo)	Ultra $99 (10,000 cr/mo)	Ultra $199 (25,000 cr/mo)
`Veo 3.1 Lite`	10 cr · ~$0.40 20 gens/mo	10 cr · ~$0.20 100 gens/mo	5 cr · ~$0.05 2,000 gens/mo	5 cr · ~$0.04 5,000 gens/mo
`Veo 3.1 Fast`	20 cr · ~$0.80 10 gens/mo	20 cr · ~$0.40 50 gens/mo	10 cr · ~$0.10 1,000 gens/mo	10 cr · ~$0.08 2,500 gens/mo
`Veo 3.1 Quality`	100 cr · ~$4.00 2 gens/mo	100 cr · ~$2.00 10 gens/mo	100 cr · ~$1.00 100 gens/mo	100 cr · ~$0.80 250 gens/mo
`Veo 3.1 Lite Lower Priority`	—	—	—	0 cr unlimited (Ultra $199 only)
`Omni 1.1 Flash` — 4s	7 cr · ~$0.28 28 gens/mo	7 cr · ~$0.14 142 gens/mo	7 cr · ~$0.07 1,428 gens/mo	7 cr · ~$0.06 3,571 gens/mo
`Omni 1.1 Flash` — 6s	10 cr · ~$0.40 20 gens/mo	10 cr · ~$0.20 100 gens/mo	10 cr · ~$0.10 1,000 gens/mo	10 cr · ~$0.08 2,500 gens/mo
`Omni 1.1 Flash` — 8s	12 cr · ~$0.48 16 gens/mo	12 cr · ~$0.24 83 gens/mo	12 cr · ~$0.12 833 gens/mo	12 cr · ~$0.10 2,083 gens/mo
`Omni 1.1 Flash` — 10s	15 cr · ~$0.60 13 gens/mo	15 cr · ~$0.30 66 gens/mo	15 cr · ~$0.15 666 gens/mo	15 cr · ~$0.12 1,666 gens/mo
`Omni 1.1 Flash` — video editing	20 cr · ~$0.80 10 gens/mo	20 cr · ~$0.40 50 gens/mo	20 cr · ~$0.20 500 gens/mo	20 cr · ~$0.16 1,250 gens/mo
`Omni 1.1 Flash` 360p — 4s	4 cr · ~$0.16 50 gens/mo	4 cr · ~$0.08 250 gens/mo	4 cr · ~$0.04 2,500 gens/mo	4 cr · ~$0.03 6,250 gens/mo
`Omni 1.1 Flash` 360p — 6s	5 cr · ~$0.20 40 gens/mo	5 cr · ~$0.10 200 gens/mo	5 cr · ~$0.05 2,000 gens/mo	5 cr · ~$0.04 5,000 gens/mo
`Omni 1.1 Flash` 360p — 8s	6 cr · ~$0.24 33 gens/mo	6 cr · ~$0.12 166 gens/mo	6 cr · ~$0.06 1,666 gens/mo	6 cr · ~$0.05 4,166 gens/mo
`Omni 1.1 Flash` 360p — 10s	7 cr · ~$0.28 28 gens/mo	7 cr · ~$0.14 142 gens/mo	7 cr · ~$0.07 1,428 gens/mo	7 cr · ~$0.06 3,571 gens/mo
`Omni 1.1 Flash` 360p — video editing	10 cr · ~$0.40 20 gens/mo	10 cr · ~$0.20 100 gens/mo	10 cr · ~$0.10 1,000 gens/mo	10 cr · ~$0.08 2,500 gens/mo

Start using the API

A single $15/month subscription covers every API on useapi.net — one token, all services. You connect up to 3 of your own provider accounts per service, and useapi.net handles the REST API, load balancing, and polling.

Subscribe — $15/month

Pricing, crypto payment, and volume options — full refund within the first 14 days if you have fewer than 50 successful generations.

Add your accounts again before they stop working

Google is switching off the backend that Google Flow accounts used to run on. Accounts added before 2026-09-16 are still on it and need to be added again.

Check which ones with GET /accounts and read the backend field on each account:

`backend`	What it means	What to do
`flow`	On the current backend	Nothing
`labs`	On the old backend	Add the account again at Setup Google Flow

Adding an account again takes about a minute with the guided browser setup. Your code does not change — same endpoints, same parameters, same responses — and the account keeps its project, characters, voices, credits and original created date.

What already fails on a `labs` account

These four return 404 with the message Flow RPCs have been deprecated and disabled:

Generating images and videos still works on a labs account. That is the part to plan around — Google is retiring the whole old backend, not these four endpoints, so generation stops too once the remaining endpoints are switched off. Google has not published a date, which is the reason to move now rather than wait for one.

Why this is happening

Google moved Flow to flow.google.com on 2026-09-10 and replaced the old authorization with a cookie-based one. On 2026-09-15 it started disabling the old endpoints. Adding an account again captures what the new backend needs.

Captcha & accounts

Image, video, and voice generation require reCAPTCHA — the useapi.net worker solves it automatically. Your first Google Flow account ships with 300 free captcha credits, solved with our own AntiCaptcha, CapSolver and EzCaptcha keys. After that, add your own provider keys with POST /accounts/captcha-providers (~$0.80–$3.00 per 1,000 solves, or compare provider success rates). Each useapi.net subscription covers 3 Google Flow accounts, up to a hard limit of 50. See Setup → Captcha Providers.

Questions

Does Google Flow have an official API?

No. Google offers Flow as a web app only, with no public API. Veo 3.1, Omni 1.1 Flash and Nano Banana are sold separately through the Gemini API, billed per second of video and per image. Omni 1.1 Flash joined it on June 30, 2026, at about $0.10 per second of 720p video. The useapi.net Google Flow API is a third-party REST API that drives your own Flow account, so every generation spends your Google AI plan instead of metered Gemini API billing.

Is there a Google Flow API key?

Google doesn’t issue one. You call this API with a useapi.net API token and connect your Google account once through the automated browser setup — sign in with Google, and there are no cookies to copy. You don’t need a Google Cloud project or a Gemini API key. The only other key is for a captcha provider, which you add once the 300 free solves run out.

How much does the Google Flow API cost?

A flat $15/month to useapi.net, which covers 3 Google Flow accounts and every other useapi.net API, plus the Google AI plan you already have. Images are included on every plan. Video spends your plan’s monthly Flow credits, down to about $0.05 for an 8-second Veo 3.1 Lite clip on Ultra — see the pricing tables. Captcha solves cost about $0.80–$3.00 per 1,000 through your own provider.

Is there a free Google Flow API?

Image generation works on a free Google account, so the Google side of image work costs nothing. The useapi.net subscription is $15/month, with a full refund within 14 days if you have made fewer than 50 successful generations (see the refund policy). On the Ultra $199 plan, Veo 3.1 Lite at lower priority spends no Flow credits at all.

Is there an SDK or example code?

The API is plain REST, so any language works. Runnable Node.js and Python examples, n8n templates and an agent skill for Claude Code and Codex are on GitHub at useapi/google-flow-api, the tutorials below walk through each model with curl, and the Postman collection and LLM-friendly spec cover every endpoint.

⚙️ Setup Google Flow

💻 GitHub examples Node.js and Python: Veo 3.1 and Omni 1.1 Flash video, Nano Banana images, n8n templates, an agent skill for Claude Code and Codex
🔑 Google Account Setup scripts for a clean, single-use Google sign-in (Windows, macOS, Linux)
📦 Postman collection (October 5, 2026)
🤖 LLM-friendly API spec Feed this to your LLM to build integrations
⚡ n8n template Generate Veo 3.1 videos and Nano Banana Pro images from a form, ready to import
⚡ n8n template: UGC Ad Factory Make UGC video ads with Omni 1.1 Flash from a form, pick or re-roll every step
🤖 Agent skill: omni-flash-video Claude Code and Codex make Omni 1.1 Flash or Veo 3.1 clips for you: npx skills add useapi/google-flow-api --skill omni-flash-video

Articles:

Examples:

Developer Community: