GET

/v1/schemas/fal/image/bytedance/seedream/v5.5/text-to-image

kind inputactivity imagehash d83383e7…extracted Nov 13, 2026version currentsource upstream spec ↗
fieldrecorded source
schemaSource linked above.

upstream-spec

Source trace
73d00112adb5af20362fd33d9e77990d8901a3b75ce4b17c62c44ad6a94ff804
{
  "fetchedAt": 1794546001,
  "extractorVersion": "2",
  "verifiedAt": null
}

Request body

8 properties · 1 required · 1 $defs
propertytypedescriptionconstraints
prompt*stringThe text prompt used to generate the image.
backgroundenum`auto` lets the model choose from the prompt and output format. `transparent` returns an RGBA image and requires `output_format=png`.auto | opaque | transparent · 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
output_formatenumThe file format of the generated image.jpeg | png · default: "png"
watermarkbooleanWhether to add the provider's visible watermark.default: false
image_sizeImageSize | enumThe size of the generated image. Total pixels must be between 921600 and 4624220, with aspect ratio between 1/16 and 16.default: "auto_2K"
num_imagesintegerNumber of separate model generations to run with the prompt.1 ≤ n ≤ 6 · default: 1
enable_safety_checkerbooleanIf set to true, the safety checker will be enabled. Disabling it requires account authorization; unauthorized requests are always checked.default: true

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":"bytedance/seedream/v5.5/text-to-image","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}