GET
/v1/schemas/fal/video/lightricks/ltx-2.5/image-to-video/fast
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above. upstream-spec Source tracec91bf9372687bb06569ccfa25203938df37abd2f5163f5921f3772297894fca4{
"fetchedAt": 1787461219,
"extractorVersion": "1",
"verifiedAt": null
} |
Request body
9 properties · 2 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| image_url* | string | The URL of the start image to use for the generated video. | |
| prompt* | string | The prompt to use for the generated video | length ≥ 1 · length ≤ 5000 |
| fps | enum | The frames per second of the generated video. | 24 | 25 | 48 | 50 · default: 25 |
| camera_motion | enum | Optional camera motion applied to the generated video. | dolly_in | dolly_out | dolly_left | dolly_right | jib_up | jib_down · +2 more · nullable |
| resolution | enum | The resolution of the generated video. | 720p | 1080p | 1440p | 2160p · default: "1080p" |
| end_image_url | string | The URL of the end image to use for the generated video. When provided, generates a transition video between start and end frames. | nullable |
| duration | enum | The duration of the generated video in seconds. At 720p and 1080p, 24 or 25 FPS supports up to 20 seconds, while 48 or 50 FPS supports up to 10 seconds. At 1440p and 2160p, all frame rates support up to 10 seconds. Set to 'auto' to let the model choose the dur… | 6 | 8 | 10 | 12 | 14 | 16 · +3 more · default: "auto" |
| aspect_ratio | enum | The aspect ratio of the generated video. If 'auto', the aspect ratio will be determined automatically based on the input image. | auto | 16:9 | 9:16 · default: "auto" |
| generate_audio | boolean | Whether to generate audio for the generated video | default: true |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"lightricks/ltx-2.5/image-to-video/fast","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}