Image Similarity Checker API

Image Similarity Checker API

Image Similarity Checker API allows you to compare the similarity of two images and receive a percentage of similarity. Perfect for verification and authentication purposes, this API can quickly and accurately determine the likeness of two images.

About the API:

Image Similarity Checker API is a powerful tool for comparing the similarity of two images. Whether you're looking to verify the authenticity of images for security purposes or simply need to compare the likeness of two images, this API has got you covered. With its fast and reliable performance, you can easily compare the similarity of two images and receive a percentage of similarity in no time. The API uses advanced image comparison algorithms to accurately determine the likeness of two images, ensuring that you get accurate results every time. Whether you're working in the fields of security, or marketing, or just need a reliable tool for image comparison, Image Similarity Checker API is the perfect solution. Whether you're a developer looking to integrate the API into your platform, or simply want to use it as a standalone tool, this API is designed to be user-friendly and easy to use. So why wait? Sign up for Image Similarity Checker API today and start comparing the similarity of your images with confidence.


What this API receives and what your API provides (input/output)?

Pass the two image URLs and receive the similarity percentage right away.  

What are the most common uses cases of this API?

  1. Authentication: Verify the authenticity of images for security purposes such as government-issued identification.

  2. Copyright protection: Determine if an image has been used without permission by comparing it to the original source image.

  3. Marketing: Compare the similarity of product images to ensure consistent branding and marketing materials.

  4. Fraud detection: Quickly detect and flag duplicate or altered images in financial transactions.

  5. Image recognition: Compare images to determine if they depict the same object or scene for use in computer vision applications.

  6. Art and media: Verify the authenticity of works of art or media files, such as music or film, by comparing to the original source.


Are there any limitations to your plans?

Besides API call limitations per month, there is no other limitation. 

API Documentation


Pass the two image URLs and retrieve their similarity percentage. 

"image_a": {
"type": "url",
"content": ""
"image_b": {
"type": "url",
"content": ""


Image Comparison - Endpoint Features
Object Description
Request Body [Required] Json
Test Endpoint



Image Comparison - CODE SNIPPETS

curl --location --request POST '' --header 'Authorization: Bearer YOUR_API_KEY' 


API Access Key & Authentication

After signing up, every developer is assigned a personal API access key, a unique combination of letters and digits provided to access to our API endpoint. To authenticate with the Image Similarity Checker API REST API, simply include your bearer token in the Authorization header.


Header Description
Authorization [Required] Should be Bearer access_key. See "Your API Access Key" above when you are subscribed.

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