Kling 4.0
NEWKling 4.0 — Kling AI's newest video model with native sound. Text-to-video, image-to-video with an optional last frame, and reference-to-video from up to 10 images. 3 to 30 seconds at 720p or 1080p.
Capabilities
Specifications
Supported Resolutions
Aspect Ratios
Supported Durations
Estimated Generation Time
~3-6 min
API Usage
curl https://www.flixly.ai/api/v1/generate \
-H "Authorization: Bearer flx_live_..." \
-H "Content-Type: application/json" \
-d '{
"model": "kling-4-0",
"prompt": "A beautiful sunset over the ocean",
"type": "TEXT_TO_VIDEO"
}'Get your API key from the Developer Portal.
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