GET

/v1/schemas/fal/video/fal-ai%2Fhunyuan-video

kind inputactivity videohash 0fcc976cextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

7 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringThe prompt to generate the video from.
resolutionenumThe resolution of the video to generate.480p | 580p | 720p · default: "720p"
seedintegerThe seed to use for generating the video.nullable
num_framesenumThe number of frames to generate.129 | 85 · default: 129
aspect_ratioenumThe aspect ratio of the video to generate.16:9 | 9:16 · default: "16:9"
pro_modebooleanBy default, generations are done with 35 steps. Pro mode does 55 steps which results in higher quality videos but will take more time and cost 2x more billing units.default: false
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled.default: false

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/hunyuan-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}