GET

/v1/schemas/bfl/image/v1/flux-3-image-klein?kind=output

Accept:

kind outputactivity imagehash a4f3a717…extracted Oct 16, 2026version currentsource upstream spec ↗

field	recorded source
schema	Source linked above. upstream-spec Source trace `7fbcacd8a21b381f9ad52e091899aac09c262cd180290082f4a9cd16a75329f2` { "fetchedAt": 1792127481, "extractorVersion": "1", "verifiedAt": null }

Response body

5 properties · 2 required · 0 $defs

property	type	description	constraints
id*	string
polling_url*	string
cost	number	Cost in credits for this request	nullable
input_mp	number	Input megapixels (2 decimal places)	nullable
output_mp	number	Output megapixels (2 decimal places)	nullable

Validate a payload

before you spend tokens

shell

$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"bfl","endpointId":"v1/flux-3-image-klein","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}