Kling v2.1 API

Kling v2.1 - Advanced video generation

Prompt *

Start Image *0/1

Upload a start frame image (optional)

Duration

Resolution

720p = std mode (start image only), 1080p = pro mode (start + end image)

Enhance Prompt

Disabled

Automatically enhance the prompt with AI

Motion ID

Motion preset ID, default: General motion

Seed

Random seed for reproducible results

Output

Your generated video will appear here

Kling v2.1 API Features

Stable and consistent video generation

Professional and standard quality tiers

Text-to-video and image-to-video support

Multiple aspect ratios: 16:9, 9:16, and 1:1

Video durations of 5 or 10 seconds

Reliable results for production use

REST API integration with JSON responses

Simple pay-per-use pricing

Production workflows - Reliable results for professional video production

Consistent content - Generate videos with predictable quality levels

Business applications - Enterprise-grade video generation for commercial use

Content libraries - Build consistent video asset collections

A/B testing - Compare professional vs standard quality outputs

Quality-sensitive projects - When stability matters more than latest features

Access Kling v2.1 API and 25+ other AI models through a single, unified API. Get started in minutes with our developer-friendly documentation.