Powered by official Seedance models

Seedance API,
at up to 60% less.

Production-ready Seedance 2.0 & 2.5 video generation. Per-second billing, OpenAI-compatible endpoints, and a free $5 credit to start.

Free $5 credit · No credit card required · Cancel anytime

seedrelay.ai/playground

Try it — no signup needed.
First generation is on us.

DEMO PREVIEW
99.9%Uptime SLA
~25sMedian generation (5s 720p)
40+Countries served
$5Free credit, no card needed

Integration

Live in 3 minutes

Drop-in compatible with the APIs you already use. Change the base URL and your key — that's the whole migration.

# Generate a 5-second 720p video
curl https://api.seedrelay.ai/v1/videos \
  -H "Authorization: Bearer $SEEDRELAY_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "seedance-2.5",
    "prompt": "A lighthouse at dusk, waves crashing",
    "resolution": "720p",
    "duration": 5
  }'
# → {"id":"vid_8f3k2","status":"processing","eta":22}
from seedrelay import SeedRelay

client = SeedRelay(api_key="sk-...")

video = client.videos.create(
    model="seedance-2.5",
    prompt="A lighthouse at dusk, waves crashing",
    resolution="720p",
    duration=5,
)
print(video.url)  # https://cdn.seedrelay.ai/v/vid_8f3k2.mp4
import SeedRelay from "seedrelay";

const client = new SeedRelay(process.env.SEEDRELAY_KEY);

const video = await client.videos.create({
  model: "seedance-2.5",
  prompt: "A lighthouse at dusk, waves crashing",
  resolution: "720p",
  duration: 5,
});
console.log(video.url);
1
Get your key

Sign up in 30 seconds. $5 free credit, no credit card required.

2
Make one call

REST or OpenAI-compatible endpoint. Same params as the official API.

3
Ship it

Poll the status endpoint or set a webhook. Per-second billing, to the cent.

Why SeedRelay

One model. Done right.

We don't do 200 models. We do Seedance — faster, cheaper, and better supported than anywhere else.

⚡
Per-second billing

Pay for exactly what you generate. No credits math, no rounding up to 5-second blocks.

🔌
Drop-in compatible

OpenAI-style endpoints. Migrate from fal.ai or Replicate by changing two lines.

🎬
Full Seedance lineup

2.5, 2.0, Fast and Mini — up to 30s native generation, up to 4K, native audio.

🌍
Available everywhere

Serving the US, UK, Canada, Australia and 40+ countries, with global edge delivery.

Pricing

Simple, per-second pricing

Pay as you go. Credits never expire. No minimums, no surprises.

MOST POPULAR

Seedance 2.5

30s native · best quality

480p$0.13/s
720p$0.29/s
1080p$0.55/s
Start building

Seedance 2.0

Proven workhorse

480p$0.075/s
720p$0.17/s
1080p$0.42/s
Start building

Seedance 2.0 Fast

Speed-optimized

480p$0.07/s
720p$0.15/s
1080p—
Start building

Seedance 2.0 Mini

Drafts & previews

480p$0.04/s
720p$0.09/s
1080p—
Start building
10% off — $500+/mo 20% off — $2,000+/mo Custom — enterprise plans

Comparison

How we compare

Same official Seedance models. Just less markup.

SeedRelayfal.aiKie.aiWavespeed
Seedance 2.5 · 720p /s$0.29$0.473$0.315$0.36
Seedance 2.0 · 720p /s$0.17$0.303$0.205$0.24
BillingPer secondPer secondCreditsPer 5s block
Free trial$5, no card———

Competitor prices from public pricing pages, Oct 2026. We re-check weekly — if you find a lower verified price, we'll match it.

FAQ

Questions, answered

Everything else lives in the docs.

We buy capacity at partner rates and pass the savings on. Same official Seedance models, same output quality — no difference except the price.

Never. Pay-as-you-go credits stay on your account until you spend them. Subscription plans reset monthly.

Yes — our API is drop-in compatible. Change the base URL to api.seedrelay.ai, swap in your new key, and your existing code keeps working.

Worldwide, including the US, UK, Canada, Australia and New Zealand — regions where the official API isn't directly available.

Yes. Everything you generate with a paid plan is yours for commercial use. You're responsible for the prompts you submit — no real faces or IP characters.

Generate your first video
in the next 3 minutes.

$5 free credit. No credit card required.

Get API Key