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Seamless Image and Audio Merging with FFMPEGAPI.net

June 2026 FFMPEG API Team

In today's fast-paced digital world, programmatic video editing has become essential for developers and content creators. FFMPEGAPI.net offers a hosted REST API that simplifies the process of merging images and audio without the hassle of managing servers. This article will guide you through the capabilities of our Image and Audio Merge API endpoint, and how it can enhance your development workflow.

What is the Image and Audio Merge API?

The Image and Audio Merge endpoint at FFMPEGAPI.net allows developers to create MP4 videos from image/audio pairs effortlessly. With just a few lines of code, you can combine multiple images and audio files, ensuring that each image is displayed for the duration of its corresponding audio clip.

  • Supports both single and multi-pair image/audio combinations.
  • Offers customizable transition effects and zoom features.
  • Ideal for content pipelines, automation, and SaaS applications.

Key Features of the Merge API

Our Image and Audio Merge API offers a range of parameters that give developers the flexibility they need.

You can provide arrays of image and audio URLs, specify transition effects, and even set output dimensions. The API also supports asynchronous processing, allowing you to handle large jobs efficiently.

  • Array of image URLs (image_urls)
  • Array of audio URLs (audio_urls)
  • Optional transition effects for smooth transitions between images
  • Support for output dimensions, e.g., 1280x720

Making a Request to the Image and Audio Merge API

To create a video from your image and audio files, you can make a POST request to the API endpoint. Here's an example of how to do this using cURL:

FFMPEGAPI.net's flexible JSON request structure allows you to manage multiple image/audio pairs or single pair requests seamlessly.

curl -X POST https://ffmpegapi.net/api/merge_image_audio \n-H 'Content-Type: application/json' \n-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 }'

Example Request Payload

Here’s what the JSON payload might look like for a multi-pair video:

This payload specifies two images and two audio files that will be merged into a single video.

{ "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 }

FFMPEGAPI.net provides developers with a powerful, easy-to-use API for merging images and audio without the complexities of backend management. Our hosted solution is perfect for automation, SaaS apps, and content pipelines, allowing you to focus on what matters most – building great applications. Start using FFMPEGAPI.net today to streamline your video processing workflows.

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