Copyleaks is the integrity layer for your tech stack that helps organizations and individuals understand what’s human-made and original, AI-generated, or manipulated across text, image, audio and video. One API also covers text moderation, with secured webhooks, audit trails, and SDKs in eight languages. About five minutes from signup to your first scan result.

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Start here

Quickstart

Authenticate, submit text, and read your first AI detection result. About five minutes end to end.

API Reference

Every endpoint, payload, and webhook.

SDKs

Official clients for Python, JavaScript, Java, C#, PHP, Ruby, Go and Rust.

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Guides

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Official SDKs

Python

JavaScript

Java

C#

PHP

Ruby

Go

Rust

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Products

Plagiarism Checker API

Detect plagiarism and ensure content originality with comprehensive text comparison.

AI Text Detection API

Identify AI-generated content with advanced machine learning detection capabilities.

AI Image Detection API

Detect AI-generated images with high accuracy and gain insights into their origin.

AI Video Detection API

Detect AI-generated videos with audio and visual track analysis and overall AI ratio scoring.

Grammar Checker API

Enhance writing quality with grammar checking, style suggestions, and language improvements.

Text Moderation API

Moderate content for policy violations, inappropriate material, and harmful language.

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Use Cases

Academic Integrity

Uphold academic standards by detecting plagiarism and identifying AI-generated content in student submissions.

Content Integrity for Publishers

Ensure originality and prevent copyright infringement before publishing.

User-Generated Content Platforms

Maintain a safe online environment by scanning user-generated content.

Enterprise Content Governance

Implement comprehensive content policies and AI governance across your organization.

Image Plagiarism Detection API

Search the web for unauthorized copies and usages of your images.

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Features

Data Hubs

Compare documents against private and shared databases to detect similarities and prevent plagiarism.

AI Logic

Understand AI detection results through AI phrases - how much more often each phrase appears in AI writing than in human writing, and where it occurs in the text.

Text Manipulation Detection

Flag techniques that can bypass detection, such as character substitution and formatting tricks.

Hosted Web Reports

Display comprehensive plagiarism and AI detection results with ready-to-use report interfaces.