GET

/v1/schemas/fal/image/minimax/h3-image/highspeed/edit

kind inputactivity imagehash e9ffda8f…extracted Nov 11, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.

upstream-spec

Source trace
2aa762ae65acd408eb8314b24e7ad668eb4d5c7cd4335712c7b843e02cd9a4b6
{
  "fetchedAt": 1794373202,
  "extractorVersion": "2",
  "verifiedAt": null
}

Request body

6 properties · 2 required · 1 $defs
propertytypedescriptionconstraints
image_urls*string[]The images to edit or compose, at most 16, in the order the prompt cites them. Each side must be 128 to 8192 pixels.items ≥ 1 · items ≤ 16
prompt*stringThe edit to make. Refer to the input images as Image 1, Image 2, ... in `image_urls` order.length ≥ 1 · length ≤ 32000
num_imagesintegerThe number of images to generate, all from one expanded prompt.1 ≤ n ≤ 10 · default: 1
output_formatenumThe format of the generated image.jpeg | png | webp | jpg · default: "png"
image_sizeImageSize | enumThe size of the generated image. Output area must be 655360 to 20000000 pixels, inclusive, with aspect ratio between 1:3 and 3:1, inclusive. `auto` keeps the first image's aspect ratio, limited to 1:3..3:1, within a 2048x2048 area.default: "auto"
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

Types

1 $defs

ImageSizeobject

heightintegerThe height of the generated image.0 < n ≤ 14142 · default: 512
widthintegerThe width of the generated image.0 < n ≤ 14142 · default: 512

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"minimax/h3-image/highspeed/edit","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}