WAN 2.2curl -X POST https://api.open.sume.com/v1/image-router/generate \
-H "Authorization: Bearer $SUME_API_KEY" \
-H "Content-Type: application/json" \
-d '{"model":"wan-2.2","prompt":"A studio product photo on a white sweep","aspect_ratio":"1:1"}'1. Calling the API
WAN 2.2 has the model id wan-2.2. Send a JSON body to POST https://api.open.sume.com/v1/image-router/generate.
| Parameter | Type | Required | Default | Description |
|---|---|---|---|---|
| model | string | Yes | — | "wan-2.2" |
| prompt | string | Yes | — | What the image shows. |
| aspect_ratio | string | No | 1:1 | Frame shape. Options: 1:1, 16:9, 9:16, 4:3, 3:4. |
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
3. Queue
A submit answers 202 with the job, its status_url and result_url. Poll the status until it is completed, failed or canceled; failed and canceled jobs are refunded.
GET https://api.open.sume.com/v1/jobs/<job_id>/status GET https://api.open.sume.com/v1/jobs/<job_id>/result POST https://api.open.sume.com/v1/jobs/<job_id>/cancel
4. Price before you submit
The estimate is the charge: the same function prices both.
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 |
|---|---|
| per image | $0.0250 / image |
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 1.0 | video | $0.1114 – $0.1979 / s | 720p – 1080p | 3 – 15 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 | — |