YepAPI
ByteDanceVideo Generation/v1/media/queue

Seedance 1.5 Pro API

Seedance 1.5 Pro from $0.46/sec — premium ByteDance video with synced audio and keyframe control.

ByteDance's Seedance 1.5 Pro. Premium 4–12 second clips at up to 1080p with synced audio, seven aspect ratios, and first/last-frame control — from $0.46 per second.

No credit card required. Takes 30 seconds.

Seedance 1.5 Pro API pricing

Pay per request from your YepAPI balance — no subscription, no monthly minimum. Prices updated October 25, 2026.

BillingPrice
Rate (720p, audio included)$0.46/sec
What it costsPer job
5-second clipfrom lowest resolution$2.30
10-second clipfrom lowest resolution$4.60
100 × 5-second clipsan ad-creative batch$230.00

2,400+

Developers

1.2M+

API calls served

100+

Endpoints

$0.01

Per call

Yep, that's it.

Try it live

Enter a prompt and generate a video with Seedance 1.5 Pro.

POST/v1/media/queue

Drop image or click to upload

For image-to-video (first/last frame)

Response
Hit "Send Request" to see the response

Seedance 1.5 Pro specs

ProviderByteDance
Model IDbytedance/seedance-1-5-pro
Endpoint/v1/media/queue
TypeVideo Generation
Resolutions480p, 720p, 1080p
Aspect ratios1:1, 3:4, 9:16, 9:21, 4:3, 16:9, 21:9
Durations4, 5, 6, 7, 8, 9, 10, 11, 12 seconds
AudioGenerated with the video
Image inputYes

How to get a Seedance 1.5 Pro API key

  1. 1

    Create a free account

    Sign up at yepapi.com with Google or email. It takes about 30 seconds and needs no card.

  2. 2

    Create an API key

    Open the dashboard, go to API Keys and create a key. Copy it — it starts with yep_sk_.

  3. 3

    Call Seedance 1.5 Pro

    Send a request to /v1/media/queue with the x-api-key header and model "bytedance/seedance-1-5-pro".

  4. 4

    Pay as you go

    Usage is billed per request from your balance. Top up any amount; there is no subscription.

Strengths

✓
Premium motion quality

Seedance 1.5 Pro is the high-fidelity tier of the Seedance line, aimed at footage that has to hold up in a finished edit.

✓
Synced audio

Generates matching audio with the clip so a single request returns finished footage with sound.

✓
480p to 1080p

Three resolution tiers, seven aspect ratios from 21:9 to 9:21, and clip lengths from 4 to 12 seconds.

✓
First & last frame control

Pin both ends of the shot with uploaded images for controlled transitions and loops.

Quick start

Copy this snippet and start making calls with Seedance 1.5 Pro.

// Step 1: Submit job
const res = await fetch('https://api.yepapi.com/v1/media/queue', {
  method: 'POST',
  headers: {
    'x-api-key': 'YOUR_API_KEY',
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({
    "model": "bytedance/seedance-1-5-pro",
    "prompt": "A hawk launching from a fence post into a headwind, feathers spreading against grey sky, slow-motion side profile, cold winter light",
    "options": {
      "aspectRatio": "16:9",
      "resolution": "1080p",
      "duration": "6"
    }
  }),
});
const { data } = await res.json();
const jobId = data.jobId;

// Step 2: Poll for result
const status = await fetch(`https://api.yepapi.com/v1/media/status/${jobId}`, {
  headers: { 'x-api-key': 'YOUR_API_KEY' },
});
const { data: job } = await status.json();
// job.status: "pending" | "processing" | "completed" | "failed"
// job.result: { text?, image?, audio?, video? }

Seedance 1.5 Pro vs similar models

Every model below runs on the same API key — switch by changing the model ID.

ModelProviderPrice
Seedance 1.5 ProByteDancefrom $0.46/sec (720p, audio included)
Seedance 1.0 Pro FastByteDancefrom about $0.02/sec (480p), about $0.04/sec (720p), about $0.10/sec (1080p)
Seedance 1.0 ProByteDancefrom about $0.05/sec (480p), about $0.10/sec (720p), about $0.24/sec (1080p)
Seedance 2.0 MiniByteDancefrom about $0.07/sec (480p)
Seedance 2.5ByteDancefrom about $0.22/sec (480p)
Grok Imagine Video 1.5 LitexAIfrom $0.04/sec (480p)
HeyGen VideoHeyGenfrom $0.04/sec (480p)
Wan 2.6Alibabafrom $0.08/sec (480p), $0.17/sec (720p), $0.25/sec (1080p)

Why use Seedance 1.5 Pro through YepAPI?

✓One API key for all models — no separate accounts
✓No monthly minimums — pay per call
✓Switch models with one line of code
✓Simple REST API — works from any language
✓Unified billing across all providers
✓No rate limits for most use cases

Seedance 1.5 Pro API — premium ByteDance video generation

Seedance 1.5 Pro is the premium tier of ByteDance's Seedance video family, generating 4 to 12 second clips at up to 1080p with synced audio, seven aspect ratios, and first/last-frame conditioning.

Through YepAPI it is a single `POST /v1/media/queue` call billed per second from $0.46, on the same key that reaches every other image, video, and text model.

Start generating in 30 seconds

$5 free credit on signup. No credit card required. Pay per call.

What developers say

“Switched from SerpAPI and cut our SERP costs by 80%. Same data quality, way simpler billing.”

Marcus T.

SEO Platform Founder

“One API key for AI models, SERP data, and web scraping. Saved us from managing 4 separate providers.”

Priya S.

Full-Stack Developer

“The $5 free credit let us prototype our entire rank tracking feature before committing. No other API does that.”

Jake R.

Indie Hacker

Frequently asked questions

ByteDance's Seedance 1.5 Pro. Premium 4–12 second clips at up to 1080p with synced audio, seven aspect ratios, and first/last-frame control — from $0.46 per second.

Seedance 1.5 Pro costs from $0.46/sec (720p, audio included) through YepAPI, billed per request with no monthly fee. For example, a 5-second clip (from lowest resolution) costs about $2.30.

Sign up at yepapi.com (Google or email, about 30 seconds), open the dashboard and create an API key. The same key works for Seedance 1.5 Pro and every other model — no separate ByteDance account or waitlist.

New YepAPI accounts in most countries get free signup credit, enough to test Seedance 1.5 Pro without a card. After that you pay per request at the rates above — there is no subscription.

Use "bytedance/seedance-1-5-pro" as the model on /v1/media/queue. The short alias "seedance-pro" also works.

Ready to use Seedance 1.5 Pro?

$5 free credit on signup. No credit card required. Pay per call.

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