GET

/v1/schemas/fal/video/fal-ai%2Fechomimic-v3

kind inputactivity videohash 92be9f06extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

8 properties · 3 required · 0 $defs
propertytypedescriptionconstraints
audio_url*stringThe URL of the audio to use as a reference for the video generation.
prompt*stringThe prompt to use for the video generation.
image_url*stringThe URL of the image to use as a reference for the video generation.
seedintegerThe seed to use for the video generation.nullable
guidance_scalenumberThe guidance scale to use for the video generation.1 ≤ n ≤ 10 · default: 4.5
negative_promptstringThe negative prompt to use for the video generation.default: ""
audio_guidance_scalenumberThe audio guidance scale to use for the video generation.0 ≤ n ≤ 10 · default: 2.5
num_frames_per_generationintegerThe number of frames to generate at once.49 ≤ n ≤ 161 · default: 121

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/echomimic-v3","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}