How does the video generation API work?

POST to /v1/videos/generations with a model slug and a prompt, then poll the returned job id for the finished video. One ak- key and credit balance across every model.

How much does AI video cost?

Pricing is per second of generated video and varies by model. Each model page shows its live price. Pay-per-use from your credit balance, with no subscription.

Can I do image-to-video?

Several video models accept an input image in addition to a prompt. Check the individual model page for its supported inputs.

AI Video Generation APIs (Text-to-Video)

Turn a text prompt or an image into video through one unified API. ApexApi serves the leading video models, including Veo, Kling, and Seedance, behind a single key with per-second pricing. Submit a job, poll for the result, and pay only for what you generate.

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26 Video models on ApexApi

Model	Details	Price /sec
Seedance 2.0 Fast bytedance/seedance-2.0/fast/image-to-video	fal.ai	$0.290–$2.61/sec
Seedance 2.0 Fast bytedance/seedance-2.0/fast/reference-to-video	fal.ai	$0.290–$2.61/sec
Seedance 2.0 Fast bytedance/seedance-2.0/fast/text-to-video	fal.ai	$0.290–$2.61/sec
Seedance 2.0 bytedance/seedance-2.0/image-to-video	fal.ai	$0.363–$3.27/sec
Seedance 2.0 Mini bytedance/seedance-2.0/mini/image-to-video	fal.ai	$0.181–$1.63/sec
Seedance 2.0 Mini bytedance/seedance-2.0/mini/reference-to-video	fal.ai	$0.181–$1.63/sec
Seedance 2.0 Mini bytedance/seedance-2.0/mini/text-to-video	fal.ai	$0.181–$1.63/sec
Seedance 2.0 bytedance/seedance-2.0/reference-to-video	fal.ai	$0.363–$3.27/sec
Seedance 2.0 bytedance/seedance-2.0/text-to-video	fal.ai	$0.363–$3.27/sec
Seedance 1.0 Pro bytedance/seedance/v1/pro	fal.ai	$0.149/sec
Google Veo 3 google/veo3	fal.ai	$0.600/sec
Veo 3.1 google/veo3.1	fal.ai	$0.240–$0.720/sec
Veo 3.1 Fast google/veo3.1/fast	fal.ai	$0.120–$0.420/sec
Veo 3.1 Fast google/veo3.1/fast/image-to-video	fal.ai	$0.120–$0.420/sec
Veo 3.1 google/veo3.1/image-to-video	fal.ai	$0.240–$0.720/sec
Veo 3.1 Lite google/veo3.1/lite	fal.ai	$0.036–$0.096/sec
Kling o3 Pro kuaishou/kling-video/o3/pro/image-to-video	fal.ai	$0.134–$0.202/sec
Kling 2.0 Master Text-to-Video kuaishou/kling-video/v2/master/text-to-video	fal.ai	$0.336/sec
Kling 3.0 Pro kuaishou/kling-video/v3/pro/image-to-video	fal.ai	$0.134–$0.202/sec
Kling 3 Pro Motion Control kuaishou/kling-video/v3/pro/motion-control	fal.ai	$0.151–$0.202/sec
Kling 3.0 Pro kuaishou/kling-video/v3/pro/text-to-video	fal.ai	$0.134–$0.202/sec
Kling 3.0 Standard kuaishou/kling-video/v3/standard/image-to-video	fal.ai	$0.101–$0.151/sec
MiniMax Hailuo-02 minimax/hailuo-02	fal.ai	$0.100/sec
Grok Imagine xai/grok-imagine-video/image-to-video	fal.ai	$0.060–$0.084/sec
Grok Imagine xai/grok-imagine-video/reference-to-video	fal.ai	$0.060–$0.084/sec
Grok Imagine xai/grok-imagine-video/text-to-video	fal.ai	$0.060–$0.084/sec

Why build on ApexApi

One API, every model

OpenAI-compatible. Swap the base URL and key, keep your code. Call 14+ providers and hundreds of models through a single integration.

Smart routing & failover

Per-model provider chains with automatic failover. If one provider degrades, requests route to the next. Your app stays up.

Pay-per-use, no lock-in

Buy credits, pay only for what you call. No subscriptions, no minimums. Switch models anytime with a single string change.

Frequently asked questions

How does the video generation API work?: POST to /v1/videos/generations with a model slug and a prompt, then poll the returned job id for the finished video. One ak- key and credit balance across every model.
How much does AI video cost?: Pricing is per second of generated video and varies by model. Each model page shows its live price. Pay-per-use from your credit balance, with no subscription.
Can I do image-to-video?: Several video models accept an input image in addition to a prompt. Check the individual model page for its supported inputs.