Next-Gen Video Synthesis:
Runway API leverages Runway Gen 4 Turbo and Runway Aleph to create high-fidelity videos from text prompts, images, or short clips, ensuring temporal coherence and cinematic quality.
Credits:0
Image to Video
Text to Video
Drag and drop or click to upload your image
Supported formats: JPG, JPEG, PNG; each file max 10MB.
- 16:9
- 9:16
- 1:1
- 4:3
- 3:4
Generate High-Quality Videos with Affordable Runway API on Kie.ai
Generate high-quality videos from text and images with the Runway API. Use the Runway AI API for seamless integration and get your Runway API key today.
If you can imagine it, we can bring it to life.
Input
The taskId must be a valid taskId returned from the video generation interface. Note: Video generated after 1080P cannot be extended.
Describe the text prompt for extending the video content.
Video resolution.
Output
Enter a task ID to get the video version of your video.
README
Complete guide to using
Runway API: Revolutionize Video Creation with Gen-4 Turbo on Kie.ai
Discover the Runway API on Kie.ai, featuring Runway Gen 4 Turbo and Runway Aleph for seamless AI image to video transformations. Boost your projects with advanced video editing, no subscriptions needed.
What is Runway API?
The Runway API is a powerful interface to Runway AI's advanced video generation models, accessible via Kie.ai for developers and creators alike.
Seamless Integration Tool:
Designed for easy embedding into apps and workflows, the Runway Aleph API allows precise edits like object removal or relighting without complex software.
Accessible AI Innovation:
Through Kie.ai, users get instant Runway API keys with credit-based pricing, making Runway AI's tools available without barriers for experimenting with Runway AI image to video features.
Key Features of Runway API
Gen-4 Turbo Acceleration:
The Runway Gen 4 Turbo API now generates 5-8 second videos within a minute, a 5x speed boost over previous iterations, perfect for rapid prototyping.
Aleph's Video Editing Prowess:
Introducing Runway Aleph API for multi-task video manipulation, enabling changes to lighting, environments, and camera angles using natural language prompts.
Extend AI Video:
The Runway API allows users to extend existing AI-generated videos to create longer sequences while maintaining visual consistency and motion coherence.
Credit-Efficient Usage:
Kie.ai's credit system for Runway API lets you pay only for what you use, with no subscriptions, optimizing costs for Runway Gen 4 Turbo API projects.
Why Choose Us?
High-Quality Videos with Runway API
Kie.ai uses the power of Runway API to generate high-quality, professional videos. Whether converting images or text to video, you can expect exceptional clarity and detail in every project.
Fast Runway Video Generation with Kie.ai
With Kie.ai, enjoy rapid video generation powered by the Runway API. We ensure quick turnaround times so you can meet even the tightest deadlines without sacrificing quality.
Affordable Runway API Pricing
Access powerful video creation tools through Kie.ai at competitive prices. Our flexible pricing plans for the Runway API make advanced video generation affordable for businesses and creators alike.
How to Use Runway API on Kie.ai
Getting started with Runway API is straightforward with Kie.ai's user-friendly process.
1. Sign Up for Your Kie.ai Account:
Create an account on Kie.ai to access the Runway API and its features, including Runway Gen 4 Turbo API and Runway Aleph API.
2. Create Your Runway API Key:
Log in, go to the Key Management section, and generate your Runway Aleph API key instantly—no approvals needed.
3. Integrate and Experiment:
Use the key in your projects, referring to Kie.ai's Runway API documentation for integration guides and a playground to test prompts.
4. Generate and Refine:
Input text, images, or videos via the Runway API, adjust prompts for optimal results, and download your creations.
User Feedback
See what our users have to say about our product
The video quality generated by the Runway API through Kie.ai is exceptional. With the Runway Gen 4 API, my projects have never looked better. It’s a game-changer for content creators!
John Smith
Product Manager
Thanks to the Runway AI API, we can quickly produce stunning videos for our marketing campaigns. The Runway API key integration was seamless, and the process is incredibly fast.
Sarah Johnson
Designer
The pricing for the Runway API on Kie.ai is highly affordable. With access to the Runway API, I get professional results at a fraction of the cost, making it perfect for my studio’s needs.
Mike Davis
Technical Director
Frequently Asked Questions
Here are some common questions and answers
Q
What is Runway Aleph, and how does the Runway Aleph API relate to it?
A
Runway Aleph is a next-generation AI video model developed by Runway AI, built on Gen-4 architecture. It enables high-level tasks like video-to-video generation, relighting, scene edits, and VFX using text or image prompts. The Runway Aleph API provides direct access to these capabilities for developers, allowing full integration into apps, pipelines, and creative tools.
Q
How do I get a Runway Aleph API Key?
A
You can instantly obtain your Runway Aleph API Key by creating an account on Kie.ai. Once logged in, you can generate your key from the dashboard — no subscriptions or approval processes required.
Q
How does Runway Aleph API pricing work?
A
Our Runway Aleph API Pricing follows a transparent, credit-based model — no subscriptions, no minimums. You purchase credits (e.g. 1,000 for $5, 275,000 for $1,250 with discounts) and only pay for actual usage, giving you full control over your budget.
Q
Where can I find Runway Aleph API documentation?
A
You can access the full Runway Aleph API documentation at Kie.ai, including input formats, response handling, and best practices. A built-in playground is also available to test prompts without writing code.
Q
What can I create using the Runway Aleph API?
A
Runway Aleph API allows you to generate and transform videos using prompts. You can add or remove objects, change environments, relight scenes, modify characters, and even shift camera angles — all while maintaining cinematic quality and temporal coherence.
Q
How can I improve the quality of generated videos?
A
Kie.ai offers instant API key generation, flexible credit-based billing, high-concurrency infrastructure, and 24/7 support — making it the fastest and most reliable way to integrate Runway Gen4-Aleph into your own tools or workflows.