GET

/v1/schemas/fal/video/fal-ai%2Fai-avatar%2Fsingle-text

kind inputactivity videohash b921d157extracted Jul 6, 2026version currentsource upstream spec ↗

Request body

8 properties · 4 required · 0 $defs
propertytypedescriptionconstraints
voice*enumThe voice to use for speech generationAria | Roger | Sarah | Laura | Charlie | George · +14 more
image_url*stringURL of the input image. If the input image does not match the chosen aspect ratio, it is resized and center cropped.
prompt*stringThe text prompt to guide video generation.
text_input*stringThe text input to guide video generation.
num_framesintegerNumber of frames to generate. Must be between 41 to 721.41 ≤ n ≤ 721 · default: 145
seedintegerRandom seed for reproducibility. If None, a random seed is chosen.0 ≤ n ≤ 4294967295 · default: 42
resolutionenumResolution of the video to generate. Must be either 480p or 720p.480p | 720p · default: "480p"
accelerationenumThe acceleration level to use for generation.none | regular | high · default: "regular"

Validate a payload

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