kling 4.0, reference-to-video, 720P with video input

Overview

kling 4.0, reference-to-video, 720P with video input 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: $0.1190 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-reference-to-video-720p-with-video-input",
  "input": {
    "prompt": "a golden retriever running through autumn leaves, cinematic",
    "video_urls": [
      "https://example.com/reference.mp4"
    ],
    "aspect_ratio": "16:9"
  }
}'

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

Related models

FAQ

How much does kling 4.0, reference-to-video, 720P with video input cost?+

$0.1190 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, reference-to-video, 720P with video input?+

kling 4.0, reference-to-video, 720P with video input is a video-generation model from Kling, served through the AI Generate API.

How do I call kling 4.0, reference-to-video, 720P with video input 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, reference-to-video, 720P with video input 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.