Preview in:
Lenso.ai on GitHub
On lenso.ai’s GitHub you can find:
- An overview of the API
- Authorization instructions
- Reverse image search API endpoints
- Face Search and Image Search API tutorial
- Sample responses
- Error handling information
With these details, you will be able to make API calls, find images online via the API and use lenso.ai in your own applications.

More on lenso.ai’s API
The API allows developers to send images in base64 format and receive search results based on face similarity or predefined categories - places, duplicates, related or similar.
Additionally, the API offers sorting options, such as newest, oldest, best and worst match, as well as filtering by any domain URL.
You can find more information about lenso.ai’s Reverse Image Search API on the lenso.ai API page.
For more instructions, visit the API integration guide.
How to make lenso.ai’s API work?
- To start testing the API, register on lenso.ai and start a developer subscription
- You will receive your own Authorization Token. You can find it in the API tab on your profile
- Using the instructions on GitHub, make an API call with your application, or test it out with Postman
- You can see your API usage statistics in the API tab on your profile

Here’s how to test lenso.ai’s API with postman:
With lenso.ai’s API you can integrate Reverse Image Search and Facial Search into your own applications. Need a custom plan? Contact us!
Continue reading
News
Reverse Image Search Explained + Best Tools
What is reverse image search, and why did visual search tools become so popular in such a short period of time? In this article, we will explain how reverse image search works and point you to some handy image search websites.
News
Best lenso.ai alternatives for reverse image search in 2026
Image search tools are constantly appearing on the market, and lenso.ai is one of the latest—and one of the best. However, there's still room for other tools. So, what are the best lenso.ai alternatives for reverse image search?
News
Facial Search APIs in Investigations & Law Enforcement
In recent years, there’s been a growth in the popularity of face search platforms and facial recognition tools. From something only niche OSINT enthusiasts used, facial search became a technology utilized by governments and law enforcement worldwide. This article takes a closer look at the popular face search tools and explains how law enforcement can utilize face search APIs for crime detection and investigations.