kling 4.0, keyframe-to-video, 720P
Overview
kling 4.0, keyframe-to-video, 720P is a video-generation model from Kling, available through the AI Generate API. You call it with the same Bearer token and the same create-task request as every other model in the catalog, so no provider SDK is needed. Price: $0.1995 per second, charged per use from your credit balance.
Use via API
curl https://aimarcusimage.eu/api/v1/jobs/createTask \
-H "Authorization: Bearer sk-aig-..." \
-H "Content-Type: application/json" \
-d '{
"model": "kling-kling-4-0-keyframe-to-video-720p",
"input": {
"prompt": "a golden retriever running through autumn leaves, cinematic"
}
}'
Async jobs (video, image, music) return a taskId. Poll /api/v1/jobs/recordInfo?taskId=... or pass a webhook URL to receive the result links.
Prompt examples
Pricing compare
| Provider | Price per second | Notes |
|---|---|---|
| AI Generate | $0.1995 | This site. Pay as you go from $10, no subscription. |
| fal.ai | $0.1570 | fal.ai list price for the same model, for reference. |
| Directly from Kling | varies | Separate account and billing with the provider. |
Related models
Google veo 3.1, text-to-video, Fast-720p
kling 3.0 motion control, video-to-video, 720P
bytedance/seedance-v1-lite, text-to-video, 1080p
wan 2.5, image-to-video, default-5.0s-720p
google/gemini-omni-flash-1-1, video, 10s 360p no video input
wan 2.2 Animate, 2.2 Animate Replace, 1.0s-580p
FAQ
How much does kling 4.0, keyframe-to-video, 720P cost?+
$0.1995 per second, charged from your credit balance. No monthly subscription and no minimum commitment. Top-ups start at $10 for 1,430 credits.
What kind of model is kling 4.0, keyframe-to-video, 720P?+
kling 4.0, keyframe-to-video, 720P is a video-generation model from Kling, served through the AI Generate API.
How do I call kling 4.0, keyframe-to-video, 720P from my code?+
Send an HTTPS POST with your Bearer token to our /api/v1/ endpoint. Every model uses the same create-task request, so no provider SDK is needed. The "Use via API" section above has a working curl example.
Can I use kling 4.0, keyframe-to-video, 720P in production?+
Yes. The limit is 20 new requests per 10 seconds per API key, and status polling does not count against it. Each job returns a taskId, and you get the result by polling or through a webhook. Daily and monthly spend caps in the dashboard settings protect you from runaway usage.
What is the markup over the upstream price?+
We add 40% to the upstream price at the starting tier. When your spend over the last 30 days reaches $50, $200, $1,000 or $5,000, the markup drops to 30%, 22%, 15% or 10% automatically.
Ready to try kling 4.0, keyframe-to-video, 720P?
Create an account and top up from $10 (1,430 credits). You pay only for what you run: $0.1995 per second.