Now Live

I2V API

Build powerful AI video generation into your applications. Access ByteDance's state-of-the-art video models via simple REST APIs. Create cinematic videos from text prompts or images with multi-shot coherence, native sound synthesis, and character consistency.

Seedance 2.0 · 14 credits/sec

View pricing

Get API Key Join Discord View Docs

Join Discord and DM an admin with "Get free API credits" + your email to receive free trial credits; or email support@seedance20.net instead.

API Endpoints

Simple RESTful APIs for video generation

Quick Start with AI Tools

Use AI assistants like Claude Code, Cursor, or Codex to integrate the API in minutes.

Get your API Key

Go to Settings > API Keys and create a new API key

Download API documentation

Download the complete API docs as Markdown file

Share with AI assistant

Paste the docs and let AI implement the integration

POST /api/v1/jobs/createTaskMost Popular

Generate videos from text prompts. Describe your scene and let AI create stunning video content.

Request

cURL

curl -X POST "https://i2v.ai/api/v1/jobs/createTask" \
  -H "Authorization: Bearer sk_live_your_api_key" \
  -H "Content-Type: application/json" \
  -d '{
    "model": "official-kling-v3-0",
    "inputs": {
      "prompt": "A majestic dragon flying over snowy mountains",
      "duration": "5s",
      "aspectRatio": "16:9",
      "resolution": "720p"
    }
  }'

Response

{
  "code": 200,
  "message": "success",
  "data": {
    "taskId": "abc123xyz"
  }
}

Parameters Reference

Request Parameters

model - Model ID (use "seedance-2-0")
inputs.prompt - Text description of the video (required for text-to-video, optional for image-to-video)
inputs.duration - Video length: 4s, 5s, 8s, 10s, or 15s
inputs.aspectRatio - Aspect ratio: 16:9, 9:16, 1:1, 4:3, 3:4, 21:9
inputs.resolution - 480p, 720p, 1080p
inputs.urls - Array of 1-2 image URLs for image-to-video

Resolution Options

480p - official resolution label
720p - official resolution label
1080p - official resolution label
Actual output width and height depend on the selected aspectRatio.

HTTP Status Codes

Success

200Request successful

Errors

400Invalid parameters or missing required fields

401Authentication failed (invalid or missing API key)

402Insufficient credits

403Permission denied (accessing other user's resources)

404Task not found

451Content violates policy (inappropriate content detected)

500Internal server error

Error Codes

When status is 'fail', the response includes an errorCode field for programmatic handling:

CONTENT_POLICYContent violates platform policy. Please modify your prompt or image and try again.

GENERATION_FAILEDVideo generation failed due to technical reasons. Please retry.

INVALID_PARAMSInvalid request parameters. Please check the API documentation.

Pricing

Pricing: Straightforward and Fully Transparent

Pick between pay-as-you-go credits or a monthly subscription plan. No hidden fees, no fine print. Use your credits across all I2V input and output modes

入门版

$20$16/月

💰 仅限年付方案$240$192

立省 $4820% 折扣

非常适合初次使用 I2V 的用户

每100积分费用$1.78

每月900 积分
可下载 MP4 格式视频
可使用所有模板
永久保存您的视频
24小时内电子邮件支持
可进入社区
支持 I2V Fast 及 Pro 模式
额外 AI 模型
可使用 AI 图像生成模型（Flux、Seedream 等）

优先支持
高级功能

热门首选

专业版

$59.92$29.95/月

🔥 50% OFF Launch Sale

💰 仅限年付方案$719$359.5

立省 $359.5

视频创作者最爱

自定义额度Pro

$14.95$99.5

3,200

积分

~320

视频

每100积分费用$0.94

每月3200 积分
可下载 MP4 格式视频
可使用高级 AI 图像生成模型（Flux 2 Pro、Seedream 5.0 等）
可使用所有模板
优先客户支持
更快的生成排队
永久保存您的视频
高级视频功能
更高分辨率的视频输出
优先视频处理
完整 I2V Pro 使用权
高级视频生成功能
支持 I2V Pro

每月最多可生成 ~320 个视频

扩容版

$299$149.5/月

🔥 50% OFF Launch Sale

💰 仅限年付方案$3,588$1,794

立省 $1,794

给使用 I2V 制作视频的资深用户

每100积分费用$0.84

每月17900 积分
可下载 MP4 格式视频
可使用高级 AI 图像生成模型（Flux 2 Pro、Seedream 5.0 等）
可使用所有模板
优先客户支持
最快的生成排队
专属客户经理
永久保存您的视频
所有高级视频功能
优先视频处理
可使用所有 I2V 模式
所有高级视频功能
完整 I2V 使用权

需要帮助吗？加入我们的 Discord

终身使用权

付款完成后，您将永久拥有通过本网站生成的所有作品所有权。

永久

永久商业授权

下载您的 AI 作品商业使用授权证书（仅付费用户专享）。

PRO 基础方案

?订单遇到问题？

退款 / 订单咨询

我们通常会在24小时内回复

对我们的视频生成方案有任何建议吗？提交反馈或发送邮件至 support@i2v.ai

FAQs

Frequently Asked Questions

Everything you need to know about the I2V API

When did the API launch?

The I2V API launched on February 20, 2026. Join our Discord for updates and support.

What video models are available?

The API provides ByteDance I2V with text-to-video and image-to-video, multiple resolutions and durations (4s–15s).

How is API usage billed?

Credits are deducted per second of generated video. I2V is 22 credits/sec (e.g. 5s = 110 credits, 10s = 220). See the pricing page for details.

What's the maximum video length?

Up to 15 seconds per request. Supported durations are 4s, 5s, 8s, 10s, and 15s.

Is there a free tier?

Yes. New users get a free allowance. For more free credits, join our Discord or email the admin.

What resolutions are supported?

Multiple aspect ratios (16:9, 9:16, 1:1, 4:3, 3:4) and common resolutions for landscape, portrait, or square.

Can't find the answer you're looking for? Our support team is here to help.

Join Discord

Start Creating with I2V

Join over 3 million creators using I2V’s industry-leading AI video tools. Turn your personal or professional ideas into polished, ready-to-use clips—no production crew or complicated post-editing needed.

Start Creating Now View Examples Join Discord

I2V API

Seedance 2.0 · 14 credits/sec

View pricing

Join Discord and DM an admin with "Get free API credits" + your email to receive free trial credits; or email support@seedance20.net instead.

curl -X POST "https://i2v.ai/api/v1/jobs/createTask" \ -H "Authorization: Bearer sk_live_your_api_key" \ -H "Content-Type: application/json" \ -d '{ "model": "official-kling-v3-0", "inputs": { "prompt": "A majestic dragon flying over snowy mountains", "duration": "5s", "aspectRatio": "16:9", "resolution": "720p" } }'