GET

/v1/schemas/fal/video/alibaba%2Fhappy-horse%2Fimage-to-video

kind inputactivity videohash 60e854ddextracted Jul 6, 2026version currentsource upstream spec ↗

Request body

6 properties · 1 required · 0 $defs
propertytypedescriptionconstraints
image_url*stringURL of the first frame image. Formats: JPEG, JPG, PNG, BMP, WEBP. Dimensions must be at least 300px. Aspect ratio must be between 1:2.5 and 2.5:1. Max 10 MB.
resolutionenumOutput video resolution tier.720p | 1080p · default: "1080p"
seedintegerRandom seed for reproducibility (0-2147483647).nullable
enable_safety_checkerbooleanEnable content moderation for input and output.default: true
durationenumOutput video duration in seconds (3-15).3 | 4 | 5 | 6 | 7 | 8 · +7 more · default: 5
promptstringOptional text prompt guiding the animation. Max 2500 characters.nullable

Validate a payload

before you spend tokens
shell
$ curl -X POST https://modelschemas.com/v1/validate \
    -d '{"provider":"fal","endpointId":"alibaba/happy-horse/image-to-video","payload":{…}}'
→ {"valid": false, "errors": [{"path": "#", "keyword": "required", …}]}