Seedream 5.0 i2i - Upmore

Seedream 5.0 i2i is an image-to-image generation model from ByteDance’s Seedream series, available through Upmore API.

Key capabilities

Image-to-Image — Generate images with reference images and text prompts
Sequential Generation — Batch generate multiple images in one request
Custom Size — Flexible output sizes
Watermark Control — Optional watermark and logo configuration

Quick example

curl https://api.upmore.net/v1/images/generations \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "doubao-seedream-5-0",
    "prompt": "A girl and a cow doll happily riding a roller coaster, morning, noon, and night",
    "image": ["https://example.com/ref1.png", "https://example.com/ref2.png"],
    "sequential_image_generation": "auto",
    "sequential_image_generation_options": {
      "max_images": 3
    },
    "size": "2K",
    "watermark": false
  }'

import requests

response = requests.post(
    "https://api.upmore.net/v1/images/generations",
    headers={
        "Authorization": "Bearer YOUR_API_KEY",
        "Content-Type": "application/json"
    },
    json={
        "model": "doubao-seedream-5-0",
        "prompt": "A girl and a cow doll happily riding a roller coaster, morning, noon, and night",
        "image": ["https://example.com/ref1.png", "https://example.com/ref2.png"],
        "sequential_image_generation": "auto",
        "sequential_image_generation_options": {
            "max_images": 3
        },
        "size": "2K",
        "watermark": False
    }
)

task = response.json()
print(f"Task ID: {task['id']}")

Parameters

Parameter	Type	Required	Description
`model`	string	Yes	Must be `doubao-seedream-5-0`
`prompt`	string	Yes	Text prompt for image generation
`image`	array	Yes	Array of reference image URLs
`sequential_image_generation`	string	No	Set to `auto` to enable batch generation
`sequential_image_generation_options`	object	No	Options: `max_images` (int)
`size`	string	No	Output image size, e.g. `1024x1024`, `2K`
`watermark`	boolean	No	Default: `false`
`seed`	integer	No	Random seed for reproducibility
`logo_info`	object	No	Logo config: `add_logo`, `position`, `language`, `opacity`

API Reference

View the interactive API playground.