Drop-in compatible
Standard REST with an OpenAI-style schema. Point your existing client at seedreamapi.io — just change the base URL and key.
# point your client at us
base_url = "https://api.seedreamapi.io/v1"
api_key = "sk-seedream-your-key"
Seedream 4.0 · Seedream 3.0 · pay as you go
Create high-resolution images with the Seedream API.
Access ByteDance's Seedream image models through a simple, OpenAI-style API. Buy credits, get a key, and generate high-resolution images — pay only for what you use.
from openai import OpenAI
client = OpenAI(
api_key="sk-seedream-your-key",
base_url="https://api.seedreamapi.io/v1",
)
img = client.images.generate(
model="seedream-4-0",
prompt="a red panda coding at night, cinematic",
size="1024x1024",
)
print(img.data[0].url)Works with the tools you already use
REST API
Python
JavaScript
Webhooks
cURL
Why seedreamapi.io
A thin, reliable layer over the Seedream API
Everything you need to run Seedream in production — without rebuilding your stack.
Prepaid credits
Top up and spend only on what you use. No subscription, no surprise invoices.
Low-latency proxy
Globally routed edge with minimal overhead, automatic retries, and failover.
Usage & keys
Real-time spend tracking per key and model, scoped keys, instant rotation and limits.
Secure by default
Encrypted in transit, rate-limit smoothing, and a 99.9% uptime target.
Models
The Seedream lineup, one API
Pick the right model per request through a single consistent interface.
seedream-4-0
Seedream 4.0
High-resolution, photoreal text-to-image with strong typography and composition.
View in docsseedream-3-0
Get started
From sign-up to first call in three steps
01
Buy credits
Create an account and top up. Credits never require a subscription.
02
Generate a key
Create an API key from your dashboard and drop it into your environment.
03
Generate images
Send a prompt to the images endpoint and get back ready-to-use image URLs.
Pricing
Simple, pay-as-you-go credits
Buy a credit pack, spend it on any model. Top up more, get more bonus credit.
Starter
$5
For testing and side projects.
- $5 in usage credit
- Access to all models
- 2 API keys
- Usage dashboard
Most popular
Builder
$50 + $5 bonus
For production apps and teams.
- $55 in usage credit
- Unlimited API keys
- Spend limits & alerts
- Priority email support
Scale
$500 + $75 bonus
For high-volume workloads.
- $575 in usage credit
- Highest rate limits
- Dedicated routing
- Invoicing, SSO & SLA
| Model | Resolution | Price / image |
|---|---|---|
| seedream-4-0 | 2K | $0.04 / image |
| seedream-3-0 | 1K | $0.03 / image |
Indicative rates for illustration. See your dashboard for live pricing.
FAQ
Frequently asked questions
No. seedreamapi.io is an independent API proxy and reseller for Seedream and is not affiliated with ByteDance Seed. For Seedream's official site, visit ByteDance Seed.
Immediately. After you top up credits and generate a key, you can make your first call in minutes — no waitlist or approval step.
The images endpoint returns hosted URLs (or base64 if you prefer) in an OpenAI-style response, so it drops into existing image pipelines.
Prepaid credits are valid for 12 months from purchase, and you'll get spend alerts before your balance runs low.
Requests are proxied over encrypted connections and we don't sell your data. See our Privacy Policy for full detail.
Yes — on the Scale plan we support invoicing and wire payment. Contact us to set it up.
Start building on Seedream today
Top up, get an instant API key, and ship your first Seedream-powered feature this afternoon.
Get your API key