GET

/v1/schemas/fal/image/imagineart/imagineart-1.5-pro-preview/text-to-image

kind inputactivity imagehash 998d414e…extracted Jul 6, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.
Source trace
26054ebbc5972118af36858754d851d14053c878153f7e312d36c0b67a32410b
{
  "fetchedAt": 1783329487,
  "extractorVersion": "1",
  "verifiedAt": null
}

Request body

3 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
prompt*stringText prompt describing the desired image. Accepts either a raw string or a JSON string/fenced JSON with positive_prompt and optional negative_prompt.
seedintegerSeed for generation. 0 and -1 are treated as random.nullable
aspect_ratioenumImage aspect ratio: 1:1, 3:1, 1:3, 16:9, 9:16, 4:3, 3:4, 3:2, 2:31:1 | 3:1 | 1:3 | 16:9 | 9:16 | 4:3 · +3 more · default: "1:1"

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"imagineart/imagineart-1.5-pro-preview/text-to-image","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}