GET

/v1/schemas/fal/image/fal-ai/hunyuan-image/v2.1/text-to-image?kind=output

Accept:

kind outputactivity imagehash c2da6441…extracted Jul 6, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. Source trace `b65441a923626ec610c5ea6c660891f7b30e9bf8836265ba96e1633c4f0dc1f6` { "fetchedAt": 1783330412, "extractorVersion": "1", "verifiedAt": null }

Response body

2 properties · 2 required · 1 $defs

property	type	description	constraints
images*	Image[]	A list of the generated images.
seed*	integer	The base seed used for the generation process.

Types

1 $defs

Imageobject

Represents an image file.

content_type	string	The mime type of the file.	nullable
file_size	integer	The size of the file in bytes.	nullable
height	integer	The height of the image in pixels.	nullable
width	integer	The width of the image in pixels.	nullable
file_name	string	The name of the file. It will be auto-generated if not provided.	nullable
url*	string	The URL where the file can be downloaded from.

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"fal-ai/hunyuan-image/v2.1/text-to-image","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}