What is the Seedance API?

Seedance is ByteDance's video generation model family. MakeInfluencer.ai exposes Seedance 2.5 (standard, Turbo, Video Edit, Video Extend and Talking Avatar) and Seedance 2.0 (standard and Fast) through one REST API with a shared credit balance. MakeInfluencer.ai is not affiliated with ByteDance.

Seedance 2.5 API or Seedance 2.0 API: what changed?

Seedance 2.5 generates up to 30 seconds per clip instead of 15, takes up to 30 reference images and adds the Video Edit, Video Extend and Talking Avatar modes. Seedance 2.0 and 2.0 Fast stay available for pipelines already tuned to them.

How do I call Seedance image-to-video?

Use seedance25 or seedance25turbo and add startFrameUrl with the image URL; the prompt then describes the motion. Add endFrameUrl if the clip should finish on a specific frame. Upload local images with POST /assets/presign first.

When should I use Seedance 2.5 Turbo?

Turbo takes the same inputs at 720p or 1080p for a little over half the standard price per second at 720p, with roughly half the wait. Use it for drafts, volume and social; use standard Seedance 2.5 when you need 480p drafts, 4K or final renders.

How long does a Seedance generation take?

Typical times are about 90 seconds for a Seedance 2.5 clip, about 45 seconds on Turbo and a few minutes for Video Edit, Video Extend and Talking Avatar. Requests are asynchronous: you get HTTP 202 and poll GET /generations/video/{id} until terminal is true.

Can I make videos longer than 30 seconds?

Yes. Chain seedance25_video_extend calls. Each call adds 4 to 30 seconds and uses up to the last 30 seconds of the clip as context, and is billed on context plus new footage.

What are the rate limits?

120 authenticated requests and 20 generations per minute per account. A 429 response includes Retry-After, and successful responses carry X-RateLimit-Limit and X-RateLimit-Remaining headers.

Seedance 2.5 · Turbo · 2.0 · REST API

Seedance API

Generate Seedance 2.5 video from text or an image, edit and extend existing clips, and build talking avatars with one API key. Seedance 2.0 and 2.0 Fast stay available on the same endpoint and the same credits.

Get an API key Read the Seedance 2.5 API guide

cURL · Seedance 2.5

curl --request POST \
  https://www.makeinfluencer.ai/api/v1/models/seedance25/generations \
  --header "Authorization: Bearer $MAKEINFLUENCER_API_KEY" \
  --header "Idempotency-Key: seedance25-001" \
  --header "Content-Type: application/json" \
  --data '{
  "input": {
    "prompt": "She turns toward the camera and smiles as the neon signs flicker on, slow push-in, street ambience",
    "startFrameUrl": "https://example.com/first-frame.png",
    "aspectRatio": "9:16",
    "duration": 5,
    "resolution": "720p",
    "generateAudio": true
  }
}'

How It Works

Get Started

Create an API key

In Dashboard → Developer API → Keys, create a revocable mi_ key and send it as a Bearer token.

Preview the cost

POST the same input to preview-credits and get the exact credit quote back. Previews never charge.

Generate and poll

POST to /models/{modelId}/generations, receive HTTP 202 with a generation ID, then poll the video status endpoint until terminal is true.

Seedance API pricing

Every Seedance model ID with a live credit quote

Seedance 2.5 and its three new modes sit next to Seedance 2.0 on the same endpoint. Each row is a real request quoted with the live model pricing, so you can compare modes like for like.

Model ID	Mode	Quoted request	Length	Typical time	Credits
seedance25	Text-to-video, image-to-video	5 s clip, 720p	4 to 30 s	~90s	90,226
seedance25turbo	Text-to-video, image-to-video	5 s clip, 720p	4 to 30 s	~45s	50,126
seedance25_video_edit	Video edit	Edit a 5 s clip, 720p	4 to 30 s source	~3 min	110,276
seedance25_video_extend	Video extend	Add 5 s with 5 s of context, 720p	4 to 30 s added	~3 min	110,276
seedance25_talking_avatar	Talking avatar	30 s of audio, 480p	Up to 120 s of audio	~2 min	330,828
seedance2	Text-to-video, image-to-video	5 s clip, 720p	4 to 15 s	~75s	60,151
seedance2fast	Text-to-video, image-to-video	5 s clip, 720p	4 to 15 s	~40s	50,126

Quotes are calculated from the live model pricing when this page is built. Video Edit bills source plus output seconds and Video Extend bills context plus new seconds. POST /models/{modelId}/preview-credits returns the exact cost of your own payload without charging.

Quickstart

Seedance 2.5 image-to-video in one request

Add startFrameUrl to turn a still into a clip; drop it for text-to-video. The POST returns HTTP 202 with a generation ID, and the video status endpoint returns the MP4 URL once terminal is true.

POSThttps://www.makeinfluencer.ai/api/v1/models/seedance25/generations

cURL Axios Python

cURL

curl --request POST \
  https://www.makeinfluencer.ai/api/v1/models/seedance25/generations \
  --header "Authorization: Bearer $MAKEINFLUENCER_API_KEY" \
  --header "Idempotency-Key: seedance25-001" \
  --header "Content-Type: application/json" \
  --data '{
  "input": {
    "prompt": "She turns toward the camera and smiles as the neon signs flicker on, slow push-in, street ambience",
    "startFrameUrl": "https://example.com/first-frame.png",
    "aspectRatio": "9:16",
    "duration": 5,
    "resolution": "720p",
    "generateAudio": true
  }
}'

POST · preview-credits · no charge

curl --request POST \
  https://www.makeinfluencer.ai/api/v1/models/seedance25/preview-credits \
  --header "Authorization: Bearer $MAKEINFLUENCER_API_KEY" \
  --header "Content-Type: application/json" \
  --data '{
  "input": {
    "prompt": "She turns toward the camera and smiles as the neon signs flicker on, slow push-in, street ambience",
    "startFrameUrl": "https://example.com/first-frame.png",
    "aspectRatio": "9:16",
    "duration": 5,
    "resolution": "720p",
    "generateAudio": true
  }
}'

GET · poll until terminal

curl \
  https://www.makeinfluencer.ai/api/v1/generations/video/GENERATION_ID \
  --header "Authorization: Bearer $MAKEINFLUENCER_API_KEY"

Seedance 2.5 API reference Seedance 2.5 Turbo API Talking Avatar API Seedance 2.0 API Polling guide

Features

Every Seedance mode behind one endpoint

Seven model IDs, one route

seedance25, seedance25turbo, the three Seedance 2.5 modes, seedance2 and seedance2fast all use POST /models/{modelId}/generations.

Up to 30 seconds per clip

Seedance 2.5 and Seedance 2.5 Turbo generate 4 to 30 seconds in one pass with native audio. Seedance 2.0 tops out at 15 seconds.

Text or image to video

Send only a prompt for text-to-video, add startFrameUrl for image-to-video and endFrameUrl to land on a specific last frame.

Edit and extend footage

Video Edit restyles or swaps subjects in an existing clip. Video Extend continues it by 4 to 30 seconds using up to 30 seconds of context.

Talking avatars

One portrait plus an audio file becomes a lip-synced presenter video of up to 120 seconds at 480p or 720p.

Refunds on failure

Failed generations are refunded automatically, and the status response reports refunded so your app can show it.

Choosing a Seedance model

Which Seedance API should you call?

Iterate on Seedance 2.5 Turbo at 720p, render finals on standard Seedance 2.5, and reach for the new modes when you already have footage or a voice track. Every choice is just a different model ID on the same route.

Seedance 2.5 Turbo

Same inputs at 720p or 1080p, about half the typical wait. The default for drafts and volume.

Seedance 2.5

480p to 4K, 4 to 30 seconds, up to 30 reference images and end-frame control.

Edit, Extend, Talking Avatar

Change existing footage, continue it, or lip sync a portrait to up to 120 seconds of audio.

Seedance 2.5 API guide All video model APIs REST API documentation Nano Banana API

Practical workflow

1
Create a key
Dashboard → Developer API → Keys. Keys start with mi_.
2
Upload frames or footage
POST /assets/presign for images, video or audio, then pass the URL.
3
Preview and generate
Quote the body with preview-credits, then POST it to generations.
4
Poll and store
Poll GET /generations/video/{id} and save the url when ready is true.

Seedance is a ByteDance model family. MakeInfluencer.ai is an independent API provider and is not affiliated with or endorsed by ByteDance.

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FAQ

Frequently Asked Questions

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Seedance API

Get Started

Create an API key

Preview the cost

Generate and poll

Every Seedance model ID with a live credit quote

Seedance 2.5 image-to-video in one request

Every Seedance mode behind one endpoint

Seven model IDs, one route

Up to 30 seconds per clip

Text or image to video

Edit and extend footage

Talking avatars

Refunds on failure

Which Seedance API should you call?

Seedance 2.5 Turbo

Seedance 2.5

Edit, Extend, Talking Avatar

Create a key

Upload frames or footage

Preview and generate

Poll and store

Frequently Asked Questions

01What is the Seedance API?

02Seedance 2.5 API or Seedance 2.0 API: what changed?

03How do I call Seedance image-to-video?

04How much does the Seedance API cost?

05When should I use Seedance 2.5 Turbo?

06How long does a Seedance generation take?

07Can I make videos longer than 30 seconds?

08What are the rate limits?

Build with Seedance 2.5 today