Videofrom$0.1114 / s
Happy Horse 1.0
Happy Horse 1.0Generates video from text, an image · 720p to 1080p · 3–15 s · native audio
text-to-videoimage-to-video
curl -X POST https://api.open.sume.com/v1/video-router/generate \
-H "Authorization: Bearer $SUME_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"happy-horse-1.0","prompt":"A cinematic tracking shot along a sunlit coastal road","duration":5,"resolution":"720p","aspect_ratio":"16:9","generate_audio":false}'1. Calling the API
Happy Horse 1.0 has the model id happy-horse-1.0. Send a JSON body to POST https://api.open.sume.com/v1/video-router/generate.
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| model | string | Yes | — | "happy-horse-1.0" |
| prompt | string | Yes | — | What happens in the video. |
| image_url | string | No | — | First frame (HTTPS image). |
| duration | integer | No | 5 | Seconds, 3–15. |
| resolution | string | No | 720p | Output resolution. Options: 720p, 1080p. |
| aspect_ratio | string | No | 16:9 | Frame shape. Options: 16:9, 9:16, 1:1, 4:3, 3:4. |
| generate_audio | boolean | No | false | Generate a soundtrack with the video. |
2. Authentication
Send your open.sume.com key as a bearer token from server code only. Keys minted on open.sume.com bill this balance in dollars and call the model API only.
Authorization: Bearer $SUME_API_KEY
Pricing
Dollars per unit at each option, from our rate card; a request rounds up to $0.0001. The estimate above is the exact charge.
| Option | Price |
|---|---|
| 720p | $0.1114 / s |
| 1080p | $0.1979 / s |
More models by Alibaba
Price, resolution and duration show each model's full range.
| Model | Type | Price | Resolution | Duration |
|---|---|---|---|---|
| Wan 3.0 | video | $0.0402 – $0.1608 / s | 480p – 1080p | 2 – 30 s |
| Happy Horse 1.1 | video | $0.1113 – $0.1484 / s | 720p – 1080p | 3 – 15 s |
| Wan 3.0 Prime | video | $0.0547 – $0.2251 / s | 480p – 1080p | 2 – 30 s |
| Wan 2.2 Speech to Video | lipsync | $0.1000 – $0.2000 / s | 480p – 720p | 3 – 7 s |
| Qwen Image | image | $0.0200 / image | — | — |
| Qwen Image Layered | image | $0.0500 / image | — |