Seedream Image

Use POST https://api.acedata.cloud/seedream/images. Authenticate with Authorization: Bearer $ACEDATACLOUD_API_TOKEN and JSON request bodies.

Pick the model from the requested capability

Capability	Seedream 5.0 Pro	Seedream 5.0 Lite
Model ID	`doubao-seedream-5-0-pro-260628`	`doubao-seedream-5-0-260128` (alias: `doubao-seedream-5-0-lite-260128`)
Generate/edit one image	Yes	Yes
Reference images	Up to 10	Up to 14
Related image set	No	Yes; input + output ≤ 15
Streaming / web search	No	Yes
Layer decomposition / transparent background	Yes	No
Prompt optimization	`standard`, `fast`	`standard`
Preset sizes	`1K`, `1.5K`, `2K`	`2K`, `3K`, `4K`

Seedream 4.5 and 4.0 remain available for compatibility. Do not send a parameter to a model that does not support it.