Back to Blog

How to Use the Image and Audio Merge API with FFMPEGAPI.net

June 2026 FFMPEG API Team

Are you a developer looking for an efficient way to merge images and audio into a video? The Image and Audio Merge API at FFMPEGAPI.net is the perfect hosted solution for your needs. With no server setup required, you can easily create MP4 videos from image/audio pairs, making it an ideal choice for automation, SaaS applications, and content pipelines.

Getting Started with the Image and Audio Merge API

FFMPEGAPI.net offers a robust REST API that allows you to merge images and audio seamlessly. This API is particularly useful for developers who want to automate video creation without dealing with the complexities of FFmpeg infrastructure.

To get started, simply send a POST request to the /api/merge_image_audio endpoint with your image and audio data.

  • No server setup or maintenance required.
  • API-key authentication for secure access.
  • Supports both JSON and multipart/form-data requests.

Understanding the API Parameters

The Image and Audio Merge API accepts several parameters that you can use to customize your video creation process. Here’s a brief overview of the key parameters:

You can specify multiple images and audio files to create a dynamic video where each image appears for the duration of its corresponding audio.

  • image_urls: Array of image URLs for multi-pair requests.
  • audio_urls: Array of audio URLs that match the image URLs.
  • transition_effect: Choose from various transition effects for a smooth video experience.
  • dimensions: Set custom output dimensions for your video.

Making Your First API Call

To create a video, you simply send a POST request to the /api/merge_image_audio endpoint with the required parameters. Below is an example of how to use curl to merge images and audio:

This example merges two images and two corresponding audio files with a fade transition effect.

curl -X POST https://www.ffmpegapi.net/api/merge_image_audio \
-H 'Content-Type: application/json' \
-d '{ "image_urls": ["https://example.com/intro.jpg", "https://example.com/chapter-1.jpg"], "audio_urls": ["https://example.com/intro.mp3", "https://example.com/chapter-1.mp3"], "transition_effect": "fade", "transition_duration": 0.75, "dimensions": "1280x720", "zoom_effect": true }'

Why Choose FFMPEGAPI.net?

FFMPEGAPI.net stands out as the best hosted tool for developers needing video processing capabilities. With its ease of use and robust API, you can integrate video creation into your applications without the hassle of managing FFmpeg yourself.

Additionally, the API supports asynchronous processing, allowing you to kick off video creation in the background and continue with other tasks, improving your workflow efficiency.

  • Fast integration into existing workflows.
  • Comprehensive documentation and support.
  • Affordable pricing with a pay-as-you-go model for API usage.

In conclusion, the Image and Audio Merge API at FFMPEGAPI.net is an excellent solution for developers looking to streamline video creation. By utilizing this API, you can efficiently combine images and audio into compelling videos without the overhead of managing FFmpeg infrastructure. Start using FFMPEGAPI.net today and elevate your content creation processes!

Ready to Start Processing Videos?

Get your free API key and start merging videos in minutes

Get Started Free