The text prompt describing the video you want to generate
The duration of the generated video in seconds
The aspect ratio of the generated video frame
Elements to avoid in the generated video
The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt
A configurable parameter. Defaults to true in the Playground.
Explore different use cases and parameter configurations
The text prompt describing the video to generate
Click to upload or drag and drop
Supported formats: JPEG, PNG, WEBP Maximum file size: 10MB
URL of the image to be used for the video
The duration of the generated video in seconds
Negative prompt to exclude certain elements from the video
The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt
A configurable parameter. Defaults to true in the Playground.
Explore different use cases and parameter configurations
Text prompt describing the video to generate
Click to upload or drag and drop
Supported formats: JPEG, PNG Maximum file size: 10MB
URL of the image to be used for the video
The duration of the generated video in seconds
Terms to avoid in the generated video
The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt
Click to upload or drag and drop
Supported formats: JPEG, PNG, WEBP Maximum file size: 10MB
URL of the image to be used for the end of the video
A configurable parameter. Defaults to true in the Playground.
Explore different use cases and parameter configurations
Text prompt describing the desired video content
Click to upload or drag and drop
Supported formats: JPEG, PNG Maximum file size: 10MB
URL of the image to be used for the video
The duration of the generated video in seconds
Description of elements to avoid in the generated video
The CFG (Classifier Free Guidance) scale is a measure of how close you want the model to stick to your prompt
A configurable parameter. Defaults to true in the Playground.
Explore different use cases and parameter configurations
Affordable Kling 2.1 API
Kie.ai offers an affordable, stable Kling 2.1 API with 1080p resolution and realistic motion effects, supporting high concurrency for seamless AI video integration.
Overview of Kling 2.1 API Versions: Standard, Pro, and Master
Kling 2.1 Standard API
The Kling 2.1 Standard API delivers cost-effective video generation at 720p resolution. It supports image to video creation with basic motion enhancements, producing smooth, reliable results. At just $0.125 per 5 seconds, it’s perfect for generating engaging visuals without high costs.
Kling 2.1 Pro API
Designed for professional workflows, the Kling 2.1 Pro API offers 1080p resolution with enhanced realism and improved motion fluidity. At $0.25 per 5 seconds, it balances quality and affordability. Expect seamless transitions and detailed scenes, ideal for videos requiring professional-grade results.
Kling 2.1 Master API
The Kling 2.1 Master API unlocks premium capabilities, delivering hyper-realistic 1080p videos with advanced physics, dynamic camera controls. Priced at $0.80 per 5 seconds, it’s tailored for complex animations. With unmatched fidelity and creative control, this The Kling API excels in demanding projects where lifelike motion and cinematic quality are essential.
Key Features of Kling 2.1 API: What’s New Compared to Kling 1.6
High-Resolution Video Outputs
Kling 2.1 API now supports up to 1080p resolution for Pro and Master versions, a significant leap from Kling 1.6’s 720p limit. Enhanced rendering techniques reduce pixelation, delivering crisp, high-quality videos that meet modern standards for creators and businesses alike.
Realistic Motion and Physics
The Kling 2.1 API leverages advanced 3D spatiotemporal attention to create lifelike movements, such as fluid character actions or natural object trajectories. This results in seamless, artifact-free videos, perfect for dynamic scenes like sports or action sequences, with 20-30% better realism.
Camera Control and Sequential Scenes
Kling 2.1 API introduces advanced camera control, allowing precise adjustments to angles, zooms, and paths, unlike Kling 1.6’s limited options. It supports complex sequential scenes with smooth style transitions, enabling cinematic storytelling.
Text-to-Video and Image-to-Video Generation
The Kling 2.1 API enhances both text-to-video and image-to-video capabilities, offering greater accuracy than Kling 1.6. It interprets complex prompts with improved semantic understanding, supporting JPEG, PNG, or WEBP inputs up to 10MB.
Faster and More Consistent Video Rendering
Kling 2.1 API delivers rendering speeds up to 50% faster than Kling 1.6, producing 5-second clips in as little as 30 seconds. Optimized algorithms ensure consistent outputs, reducing glitches and morphing artifacts common in earlier versions.
Customizable Parameters for Precision
The Kling 2.1 API offers customizable parameters like duration, negative prompts, and CFG scale for tailored outputs. This flexibility allows developers to fine-tune video quality and content, avoiding unwanted elements and ensuring prompt adherence.
Kling API Pricing: Affordable and Flexible Options
Kie.ai’s Kling 2.1 API uses a credit-based system, starting at just $5 for entry-level purchases. The more credits you buy, the bigger the discount, ensuring cost savings for high-volume users. No subscriptions mean you only pay for what you use, making Kling 2.1 API pricing flexible and accessible for creators and businesses of all sizes.
| Kling 2.1 API Version | Cost per 5 Seconds | Cost per 10 Seconds |
|---|---|---|
| Kling 2.1 Standard API | $0.125 | $0.25 |
| Kling 2.1 Pro API | $0.25 | $0.50 |
| Kling 2.1 Master API | $0.80 | $1.60 |
How to Integrate Kling 2.1 API on Kie.ai
Obtain Your Kling 2.1 API Key
Create a account on Kie.ai to access your secure Kling 2.1 API key from the developer dashboard. This key authenticates your requests, enabling access to Standard, Pro, or Master versions for generating videos tailored to your project’s needs, from social media clips to cinematic productions.
Configure Your Kling API Request
Prepare a JSON payload specifying the model (e.g., "kling/v2-1-master-image-to-video"), input parameters like text prompts or image URLs, and optional settings like duration or negative prompts. The Kling 2.1 API supports versatile inputs, allowing you to craft detailed video descriptions or use images for precise creative control.
Send Requests to the Kling 2.1 API Endpoint
Use an HTTP POST request to the Kling API endpoint with your API key and JSON payload. This triggers video generation, returning a task ID to track progress, ensuring efficient integration into your app or workflow with minimal latency.
Handle Responses and Retrieve Videos
Monitor task status using the task ID or set up a callback URL for automatic notifications upon completion. The Kling 2.1 API delivers generated video URLs, ready for download and integration into your platform, streamlining the process for professional-grade video outputs.