GET
/v1/schemas/fal/video/alibaba%2Fhappy-horse%2Fv1.1%2Ftext-to-video
Accept:
Request body
6 properties · 1 required · 0 $defs| property | type | description | constraints |
|---|---|---|---|
| prompt* | string | Text prompt describing the desired video. Max 2500 characters. | length ≥ 1 |
| duration | enum | Output video duration in seconds (3-15). | 3 | 4 | 5 | 6 | 7 | 8 · +7 more · default: 5 |
| enable_safety_checker | boolean | Enable content moderation for input and output. | default: true |
| aspect_ratio | enum | Aspect ratio of the generated video. | 16:9 | 9:16 | 1:1 | 4:3 | 3:4 | 21:9 · +3 more · default: "16:9" |
| seed | integer | Random seed for reproducibility (0-2147483647). | nullable |
| resolution | enum | Output video resolution tier. | 720p | 1080p · default: "1080p" |
Validate a payload
before you spend tokensshell
$ curl -X POST https://modelschemas.com/v1/validate \
-d '{"provider":"fal","endpointId":"alibaba/happy-horse/v1.1/text-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}