Image model by Alibaba
Qwen Image 3.0 Pro API
model: qwen3-image-pro
Call Qwen Image 3.0 Pro with your KeelRouter API key, the same key you use for every other model. From $0.037 per image, paid per call from a prepaid balance. Failed calls are free.
Pricing
| Option | Price |
|---|---|
| 1K | $0.037 per image |
| 2K | $0.075 per image |
Call it
Async: POST /v1/images/generations returns a taskId; poll the same path with ?task_id= or pass a callback_url.
curl https://api.keelrouter.com/v1/images/generations \
-H "Authorization: Bearer $KEELROUTER_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"model": "qwen3-image-pro",
"prompt": "A lighthouse at dawn, watercolor",
"resolution": "1K"
}'Parameters
| Name | Type | Notes |
|---|---|---|
| model | string | Required. qwen3-image-pro |
| prompt | string | Required. |
| resolution | string | One of 1K, 2K. Default 1K. |
| aspect_ratio | string | One of auto, 1:1, 3:2, 2:3, 4:3, 3:4, 16:9, 9:16, 21:9. Default auto. |
| image_urls | array | |
| image_url | string | |
| negative_prompt | string | |
| prompt_extend | boolean | Default true. |
| seed | integer | Range 0–2147483647. |
| callback_url | string | Optional https URL; we POST the result when the task ends |
FAQ
- How much does the Qwen Image 3.0 Pro API cost on KeelRouter?
- From $0.037 per image. You pay per call from a prepaid USD balance; failed calls are not charged.
- How do I call Qwen Image 3.0 Pro?
- POST to /v1/images/generations with model "qwen3-image-pro". You get a taskId back; poll the same endpoint with ?task_id= or pass a callback_url.
- Is this the official Qwen Image 3.0 Pro API?
- No. KeelRouter is an independent API gateway. Requests run on Qwen Image 3.0 Pro through our upstream providers, and the image model keeps its own safety filters.
- How long are results kept?
- Result files are kept for 30 days, then deleted. Download what you want to keep.
More from Alibaba
KeelRouter is an independent service and is not affiliated with Alibaba. Qwen Image 3.0 Pro is a trademark of its owner, used here only to name the model a request runs on.