Studio route
Kling Video
fal-ai/kling-video/o3/4k/reference-to-video
What you get
- Video with lip-synced or driven motion
Limits & combinations
- Text prompt: optional
- Reference images: 1–4 (at least one required)
- Start image: exactly 1 (required)
- Video clip: optional
- Audio / voice: required
- Combinations: Requires audio plus 1 portrait/start image; Prompt plus up to 4 reference stills; Can include reference stills with optional video upload
What you send
Required
- Reference images (1–4)
- 1 start image
- Audio / voice track
Optional
- Text prompt
- Video clip
Quick summary: Reference images (1–4) · 1 start image · Audio / voice track
Generate workflows
About 118 workflow templates in EchoClip can use a model with these input requirements when you pick this route in the model dropdown.
Contract source: kinds_heuristic. OpenAPI-backed rows reflect fal field requirements; heuristic rows follow catalog kind + route id until schema cache is warmed.