Kling V2.6 I2V
[Core Function] Kling V2.6 I2V is a stable, classic image-to-video model. [Strengths] It provides excellent motion stability, motion brush controls, and 1080p generation with optional audio. [Best For] Highly recommended for: animating specific areas using motion brushes and stable 5s/10s generations. [Limitations] Do NOT use this model if you need 4K resolution or 15s durations. [Routing] Route to this model when users need Motion Brush capabilities or prefer the V2.6 aesthetic. Otherwise, use V3.
Authorizations
API Key authentication. Format: Bearer YOUR_API_KEY.
Body
Starting frame image URL or Base64
"https://example.com/image.jpg"
Video generation prompt
1 - 2500"Live concert with crowd cheering"
Ending frame image URL or Base64 (mutually exclusive with motion brush)
"https://example.com/end.jpg"
Negative prompt
1 - 2500"silent, empty"
Audio generation switch: on (enable) or off (disable). Only supported by V2.6.
on, off "on"
Voice ID list for audio generation. Simplified flattened parameter. Only supported by V2.6.
1 - 10 elementsVoice ID string
1Generation mode: std or pro
std, pro "pro"
Static mask image for motion brush (mutually exclusive with image_tail)
"https://example.com/mask.jpg"
Video duration in seconds
5, 10 10