curl --request POST \
--url https://api.poyo.ai/api/generate/submit \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "seedream-5.0-flash",
"callback_url": "https://your-domain.com/callback",
"input": {
"prompt": "A colorful editorial poster for a neighborhood flower shop, with crisp typography and warm morning light",
"size": "3:4",
"resolution": "1.5K",
"output_format": "png"
}
}
'{
"code": 200,
"data": {
"task_id": "task-unified-1757165031-uyujaw3d",
"status": "not_started",
"created_time": "2026-10-08T10:30:00"
}
}{
"code": 400,
"error": {
"message": "Invalid request parameters",
"type": "invalid_request_error"
}
}{
"code": 400,
"error": {
"message": "Invalid request parameters",
"type": "invalid_request_error"
}
}Seedream
Seedream-5.0-Flash Image Generation
Fast Seedream image generation and reference-image editing
POST
/
api
/
generate
/
submit
curl --request POST \
--url https://api.poyo.ai/api/generate/submit \
--header 'Authorization: Bearer <token>' \
--header 'Content-Type: application/json' \
--data '
{
"model": "seedream-5.0-flash",
"callback_url": "https://your-domain.com/callback",
"input": {
"prompt": "A colorful editorial poster for a neighborhood flower shop, with crisp typography and warm morning light",
"size": "3:4",
"resolution": "1.5K",
"output_format": "png"
}
}
'{
"code": 200,
"data": {
"task_id": "task-unified-1757165031-uyujaw3d",
"status": "not_started",
"created_time": "2026-10-08T10:30:00"
}
}{
"code": 400,
"error": {
"message": "Invalid request parameters",
"type": "invalid_request_error"
}
}{
"code": 400,
"error": {
"message": "Invalid request parameters",
"type": "invalid_request_error"
}
}- After submission, a
task_idwill be returned. If you provided acallback_url, a POST request will be sent to it when the task finishes or fails. - You can also retrieve the result through the unified Query Task Status endpoint.
Seedream-5.0-Flash Image Generation
Seedream-5.0-Flash generates images from text or edits images using up to 10 references. Each request produces one image.Available Models
- seedream-5.0-flash - Text-to-image generation
- seedream-5.0-flash-edit - Image editing with 1–10 reference images
Size Parameter
input.size controls the output aspect ratio. If omitted, the system uses 1:1:
- Ratio preset:
1:1,4:3,3:4,16:9,9:16,2:3,3:2,21:9
Resolution Parameter
input.resolution controls the output resolution. If omitted, the system uses 1K:
- Resolution preset:
1K,1.5K,2K
Pricing
Each request generates one image and uses the current Seedream-5.0-Flash price.How to Call
Use the unified submit endpoint:POST /api/generate/submit
Text-to-image example:
curl --request POST \
--url https://api.poyo.ai/api/generate/submit \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"model": "seedream-5.0-flash",
"callback_url": "https://your-domain.com/callback",
"input": {
"prompt": "A colorful editorial poster for a neighborhood flower shop, with crisp typography and warm morning light",
"size": "3:4",
"resolution": "1.5K",
"output_format": "png"
}
}'
curl --request POST \
--url https://api.poyo.ai/api/generate/submit \
--header 'Authorization: Bearer YOUR_API_KEY' \
--header 'Content-Type: application/json' \
--data '{
"model": "seedream-5.0-flash-edit",
"input": {
"prompt": "Place the product from the second image on the table in the first image, preserving its shape and label",
"image_urls": [
"https://example.com/table.jpg",
"https://example.com/product.png"
],
"size": "4:3",
"resolution": "2K",
"enable_safety_checker": true
}
}'
Authorizations
All API endpoints require Bearer Token authentication
Body
application/json
Seedream-5.0-Flash model identifier
Available options:
seedream-5.0-flash, seedream-5.0-flash-edit Input parameters for generation or editing
Show child attributes
Show child attributes
Webhook callback URL for result notifications
Example:
"https://your-domain.com/callback"