GET

/v1/schemas/fal/image/reve/2.1/text-to-image

kind inputactivity imagehash 09e6d8ae…extracted Jul 15, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
35853b69bf9dec25b36a22a7af69ddfe575fc58aacbfcb00d0399aaf96df962c
{
  "fetchedAt": 1784090287,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

5 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringThe text description of the desired image.length ≥ 1 · length ≤ 4000
num_imagesintegerNumber of images to generate1 ≤ n ≤ 4 · default: 1
sync_modebooleanIf `True`, the media will be returned as a data URI and the output data won't be available in the request history.default: false
output_formatenumOutput format for the generated image.png | jpeg | webp · default: "png"
aspect_ratioenumThe desired aspect ratio of the generated image. With `auto`, the model picks an appropriate aspect ratio for the request.4:1 | 3:1 | 21:9 | 2:1 | 17:9 | 16:9 · +12 more · default: "auto"

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"reve/2.1/text-to-image","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}