Image model by Doubao
Doubao Seedream 4.5 API
model: doubao-seedream-4-5-251128
Call Doubao Seedream 4.5 with your KeelRouter API key, the same key you use for every other model. From $0.039 per image, paid per call from a prepaid balance. Failed calls are free.
Pricing
| Option | Price |
|---|---|
| per image | $0.039 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": "doubao-seedream-4-5-251128",
"prompt": "A lighthouse at dawn, watercolor"
}'Parameters
| Name | Type | Notes |
|---|---|---|
| model | string | Required. doubao-seedream-4-5-251128 |
| prompt | string | Required. |
| image_url | string | |
| aspect_ratio | string | One of 1:1, 4:3, 3:4, 16:9, 9:16, 3:2, 2:3, 5:4, 4:5, 21:9. |
| image_urls | array | |
| resolution | string | One of 1k, 2k, 3k, 4k. |
| size | string | |
| callback_url | string | Optional https URL; we POST the result when the task ends |
FAQ
- How much does the Doubao Seedream 4.5 API cost on KeelRouter?
- From $0.039 per image. You pay per call from a prepaid USD balance; failed calls are not charged.
- How do I call Doubao Seedream 4.5?
- POST to /v1/images/generations with model "doubao-seedream-4-5-251128". You get a taskId back; poll the same endpoint with ?task_id= or pass a callback_url.
- Is this the official Doubao Seedream 4.5 API?
- No. KeelRouter is an independent API gateway. Requests run on Doubao Seedream 4.5 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 Doubao
KeelRouter is an independent service and is not affiliated with Doubao. Doubao Seedream 4.5 is a trademark of its owner, used here only to name the model a request runs on.