
Preview in:
1. How to access the API?
2. Limitations
3. API panel
4. API integration
5. Who can use lenso.ai’s API?
How to access the API?
- To access lenso.ai’s Reverse Image Search API, you need to purchase a subscription. To do that, visit the pricing page and purchase the Developer plan.
- You can access the API panel tab from your user dashboard.
If you want to use facial search* in API, you have to sign an agreement first. You will be able to download it anytime.
*Available in selected regions
Limitations
- Starting off, you will receive 1000 API requests, however, you can request up to 5000 requests via the contact form. Explain your use case, and we will adjust the requests number accordingly.
- You can’t send over 2 API requests per second.
The limitations were set up only to prevent misuse of the application.
API panel
In your API panel, you’ll be able to find:
- your API key,
- number of used API requests,
- API requests chart,
- documentation,
- for regions where face search is available, you can also find your API agreement.
API Integration
To integrate the API, you need to download the documentation first. You can find it in the API panel. If you’d like to read the full documentation before subscribing, contact us.
Here are some simple steps explained in more detail in the documentation:
Authorization
All API requests require authorization using a Bearer token in the Authorization header.
Authorization: Bearer <your_access_token>
Replace with your actual access token (API Key) obtained from lenso.ai website.
Search Request
Here’s what requests parameters look like in JSON:
{
"image": "base64-encoded string",
"category": "string",
"sortType": "string",
"domain": "string",
"page": "integer (starts from 1)"
}
And here’s what a successful response looks like:
{
"results": [
{
"urlList": [
{
"imageUrl": "https://example.com/image1.jpg",
"sourceUrl": "https://example.com/source1",
"title": "Example Image 1"
}
],
"base64Image": "iVBORw0KGgoAAAANSUhEUg..."
}
],
"availablePages": 5
}
Who can use lenso.ai’s API?
Lenso.ai Reverse Image Search API has multiple use cases across different industries. Here are some key applications:
1. Visual Search in E-Commerce Apps
- Allow users to upload an image to find visually similar products.
- Improve product discovery without relying on text-based search.
2. Fake Profile & Scam Detection in Social Media Apps
- Verify profile pictures to detect duplicates or stolen images.
- Prevent catfishing and identity fraud by scanning uploaded photos.
3. Copyright & Brand Protection
- Detect unauthorized use of brand images or copyrighted photos.
- Automate content takedown requests for stolen or misused images.
Of course, these are just three most common cases, but lenso.ai can be used in hundreds of applications.
More questions? Contact us!
We can make a tailored plan for your business, help you with API integration, adjust the number of API calls and more! Contact us here:
Continue reading

Guides
Lenso.ai Chrome Extension | Reverse Image Search and Face Search Extension
If you want to make your reverse image search faster, use lenso.ai’s extension! With this amazing add-on, you’ll be able to search for people, places, duplicates, similar and related images straight from your Chrome or Chromium-based browser. Try it now - it’s free!
Guides
Spot catfish online using facial recognition tools!
It’s easier than ever to get catfished online. Scammers are getting smarter and their methods more sophisticated. But the good news is, technology is catching up. Today, there are powerful tools that can help you spot fake profiles and online scammers. One of the most effective solutions? Facial recognition. In this post, we’ll show you how to spot catfish online using the best face search engines available.

Guides
Reverse Image Search | How to Search by Image?
Looking for similar photos, images of people or places, or pictures related to the query image? In this tutorial, we will explain everything there is to know about image search! Want to start looking for pictures online? Keep reading.
Guides
Copyright protection for photographers with lenso.ai: How a reverse image search tool may help you?
Reverse image search can be not only a useful tool for everyday use but also a powerful aid in cases of potential copyright infringement. How can lenso.ai help with copyright protection?