GET
/v1/schemas/fal/image/fal-ai/nucleus-image
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above.Source tracea703ad332974fa352b404008bef2b50322ef0820a3fd16093c5a68771f3f9edd{
"fetchedAt": 1786338105,
"extractorVersion": "1",
"verifiedAt": null
} |
Request body
10 properties · 1 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| prompt* | string | The prompt to use for generating the image. | |
| sync_mode | boolean | If `True`, return media as data URIs instead of persisted CDN files. | default: false |
| output_format | enum | The format of the generated image. | jpeg | png · default: "png" |
| num_inference_steps | integer | The number of inference steps to perform. | 1 ≤ n ≤ 100 · default: 50 |
| seed | integer | Seed for reproducible generation. | nullable |
| negative_prompt | string | The negative prompt to use for generation. | default: "" |
| enable_safety_checker | boolean | If set to true, the safety checker will be enabled. Disabling it requires account authorization; unauthorized requests are always checked, and images flagged as unsafe are returned as black images. | default: true |
| num_images | integer | The number of images to generate. | 1 ≤ n ≤ 2 · default: 1 |
| guidance_scale | number | The classifier-free guidance scale. | 0 ≤ n ≤ 20 · default: 8 |
| aspect_ratio | enum | The output aspect ratio. Nucleus-Image supports a fixed set of aspect-ratio presets. | 1:1 | 16:9 | 9:16 | 4:3 | 3:4 | 3:2 · +1 more · default: "1:1" |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"fal-ai/nucleus-image","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}