"vendor": "alibaba""model_name": "wan2.1-kf2v-plus"Keyframe-to-video for controlled sequences
Waiting for Input
Wan 2.1 Keyframe-To-Video Plus generates smooth video transitions between two keyframe images. Provide a starting and ending frame, and the model creates a coherent 5-second video interpolation at 720P.
seedintegerRandom seed [0, 2147483647].
image* requiredstringFirst keyframe image (URL or Base64). Supported formats: JPEG/JPG/PNG/BMP/WEBP, 360-2000px, ≤10MB.
prompt* requiredstringTransition and motion description between the first and last frame (max 800 characters).
durationEnumVideo duration in seconds (30 fps). Fixed at 5 seconds.
templatestringOptional video effect template name.
last_frame* requiredstringLast keyframe image (URL or Base64). Same constraints as the first frame.
resolutionEnum · Default: "720P"Output Resolution
prompt_extendboolean · Default: trueEnable intelligent prompt rewriting.
safety_filterboolean · Default: trueEnable content safety filter. Defaults to true. Set to false to disable content safety inspection.
negative_promptstringNegative prompt describing unwanted content (max 500 characters).