GET
/v1/schemas/fal/video/fal-ai/veo3.1/lite/first-last-frame-to-video
Accept:
| field | recorded source |
|---|---|
| schema | Source linked above. upstream-spec Source trace6bdb37f8078252649151461fa23044760183c131fbf3a36d8c3c7af74154a5e8{
"fetchedAt": 1790830869,
"extractorVersion": "1",
"verifiedAt": null
} |
Request body
11 properties · 3 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| first_frame_url* | string | URL of the first frame of the video | |
| last_frame_url* | string | URL of the last frame of the video | |
| prompt* | string | The text prompt describing the video you want to generate | length ≤ 20000 |
| generate_audio | boolean | Whether to generate audio for the video. | default: true |
| auto_fix | boolean | Whether to automatically attempt to fix prompts that fail content policy or other validation checks by rewriting them. | default: false |
| duration | enum | The duration of the generated video. | 4s | 6s | 8s · default: "8s" |
| aspect_ratio | enum | The aspect ratio of the generated video. | auto | 16:9 | 9:16 · default: "auto" |
| negative_prompt | string | A negative prompt to guide the video generation. | nullable |
| seed | integer | The seed for the random number generator. | nullable |
| safety_tolerance | enum | The safety tolerance level for content moderation. 1 is the most strict (blocks most content), 6 is the least strict. | 1 | 2 | 3 | 4 | 5 | 6 · default: "4" |
| resolution | enum | The resolution of the generated video. | 720p | 1080p · default: "720p" |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"fal-ai/veo3.1/lite/first-last-frame-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}