Seedream 4.5 API
ByteDance Seedream 4.5 — new-generation image creation with superior aesthetics, text rendering, and up to 4K resolution. Integrate this model via REST with endpoint docs, parameters, and code examples.
Get API Key
Create auth keys for apps and agents
See Usage
Track requests, credits, and logs
Buy Credits
Top up prepaid API capacity
Try a preset
Pre-tuned starting points. Click one to open the tool with these params loaded.
Children storybook
Illustration page from a modern children’s storybook, warm palette.
Try this preset
Cyberpunk street
Neon-soaked alley in a near-future city, rain-slicked pavement.
Try this preset
Dramatic landscape
Epic mountain valley with low clouds, golden light breaking through.
Try this preset
Food overhead
Overhead food photography, restaurant-quality plating, warm tones.
Try this preset
Product hero shot
Premium consumer-electronics product on a soft gradient backdrop.
Try this preset
Real estate interior
Wide-angle photoreal interior, warm natural light, magazine quality.
Try this preset
Streetwear lookbook
Lookbook page for a streetwear drop, model on graffiti backdrop.
Try this preset
Wedding portrait
Couple silhouette at sunset on a windswept beach, romantic editorial.
Try this preset
API Endpoint
/api/v1/models/seedream-4/runLLM.txt
For AI assistants
Copy this model's documentation into Claude, GPT, or any AI for instant integration help.
/llm/seedream-4.txtOpenAPI Spec
Swagger compatible
Import into Postman, Swagger UI, or generate client SDKs in any language.
/api/openapiParameters
Input parameters accepted by this model
| Parameter | Type | Default |
|---|---|---|
promptrequired | string | - |
image_size | enum | auto_2K |
customWidth | integer | - |
customHeight | integer | - |
seed | integer | - |
num_images | integer | 1 |
Supported Aspect Ratios
Example Outputs
Real outputs generated by this model
wedding portrait, couple silhouette walking on a windswept beach at sunset, romantic editorial composition, golden hour color grade, fine art photography
streetwear lookbook photograph, model in oversized layered fits in front of a graffiti-covered wall, harsh midday sun, hard shadows, fashion editorial energy
neon-soaked alley in a near-future tokyo, rain-slicked pavement reflecting hot pink and cyan signage, atmospheric haze, blade runner aesthetic, photoreal
hero product photograph of a premium consumer electronics device, soft gradient backdrop, dramatic edge light, advertising-grade composition with clean negative space
epic mountain valley landscape, low clouds rolling through, dramatic shafts of golden light breaking through the peaks, ansel adams composition, fine art print quality
illustration page from a modern children’s storybook, friendly fox character in a magical forest clearing, warm earthy palette, hand-painted texture, beatrix potter meets pixar
wide-angle real estate interior photograph, mid-century modern living room, warm natural light through floor-to-ceiling windows, magazine quality
overhead food photography, restaurant-quality plating, warm tones, soft natural light from the side, dewy textures, depth of field
a thrilling action sequence of a woman trying to find her favorite candy. The candy wrapper is purple with a pixelated dragon and reads "Pixel Dojo". The woman says "Gotta have that pixel dojo candy. with over 60 ai tools, it's basically zero calories."
a thrilling action sequence of a woman trying to find her favorite candy. The candy wrapper is purple with a pixelated dragon and reads "Pixel Dojo". The woman says "Gotta have that pixel dojo candy. with over 60 ai tools, it's basically zero calories."
a thrilling action sequence of a woman trying to find her favorite candy. The candy wrapper is purple with a pixelated dragon and reads "Pixel Dojo". The woman says "Gotta have that pixel dojo candy. with over 60 ai tools, it's basically zero calories."
A dramatic low-angle photograph of a master martial artist mid-strike inside a sleek modern dojo, shattering a wooden board that explodes into thousands of glowing purple and pink pixel fragments that scatter through the air like embers. The dojo has polished concrete floors, floor-to-ceiling windows revealing a rain-soaked Tokyo cityscape at night, and minimal Japanese architectural details — clean wooden beams, a torii gate silhouette visible through the glass. The pixel fragments cast colored light across the fighter's face and the wet floor reflections. Shot on Sony A7R V, 35mm f/1.4, shallow depth of field, dramatic side lighting from a single overhead spotlight cutting through atmospheric haze, rain streaks visible on the windows. Hyperrealistic, editorial photography, 8K resolution
Code Examples
Copy and paste to get started
curl -X POST "https://pixeldojo.ai/api/v1/models/seedream-4/run" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"prompt": "A beautiful mountain landscape at golden hour",
"aspect_ratio": "1:1"
}'Response Format
Submit Response (202 Accepted)
{
"jobId": "job_abc123...",
"status": "pending",
"statusUrl": "https://pixeldojo.ai/api/v1/jobs/job_abc123...",
"creditCost": 1,
"creditsRemaining": 95,
"expiresAt": "2025-01-23T12:00:00Z"
}Completed Response
{
"jobId": "job_abc123...",
"status": "completed",
"output": {
"images": [
"https://temp.pixeldojo.ai/pixeldojotemp/1705930123-456789.png"
]
},
"creditCost": 1,
"expiresAt": "2025-01-23T12:00:00Z"
}