Model API

Happy Horse

Generate 1080p video with synchronized native audio from a text prompt. Aspect ratios: 16:9, 9:16, 1:1, 4:3, 3:4. Duration: 3–15s.

Model id

Use this in every request

alibaba/happy-horse/text-to-video

This model has other modes with their own ids: alibaba/happy-horse/reference-to-video.

Run it

Quote the input, start the generation with the quote, then poll the job. Set RAYWAKE_API_KEY first; see Authentication.

# 1. Price the exact input (quotes are valid for up to 10 minutes)
curl -s https://api.raywake.com/v1/quotes \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
  "model": "alibaba/happy-horse/text-to-video",
  "input": {
    "prompt": "A red ceramic cup on a wooden table, soft morning light"
  }
}'

# 2. Start the generation with the quote_id from step 1
curl -s https://api.raywake.com/v1/generate \
  -H "Authorization: Bearer $RAYWAKE_API_KEY" \
  -H "Content-Type: application/json" \
  -H "Idempotency-Key: $(uuidgen)" \
  -d '{"model": "alibaba/happy-horse/text-to-video", "quote_id": "QUOTE_ID", "input": {"prompt":"A red ceramic cup on a wooden table, soft morning light"}}'

# 3. Poll until the status is terminal
curl -s https://api.raywake.com/v1/jobs/JOB_ID \
  -H "Authorization: Bearer $RAYWAKE_API_KEY"

Input

Input fields for alibaba/happy-horse/text-to-video
Name	Type	Description
`prompt`required	string	Text prompt describing the desired video. Max 2500 characters.
`aspect_ratio`	string (enum)	Aspect ratio of the generated video. Default: `16:9` One of: `16:9`, `9:16`, `1:1`, `4:3`, `3:4`
`resolution`	string (enum)	Output video resolution tier. Default: `1080p` One of: `720p`, `1080p`
`duration`	number (enum)	Output video duration in seconds (3-15). Default: `5` One of: `3`, `4`, `5`, `6`, `7`, `8`, `9`, `10`, `11`, `12`, `13`, `14`, `15`
`seed`	integer	Random seed for reproducibility (0-2147483647).

Output

A succeeded job lists its results under outputs, stored on our side. See Jobs for every field.

Job excerpt

"outputs": [
  { "type": "video", "url": "https://…", "mime_type": "video/mp4", "thumbnail_url": "https://…" }
]

Pricing

720p$0.23/ second
1080p$0.45/ second

The exact charge for your input comes from a quote. How charges settle