Developer API

Code Plagiarism
Detection API

Build plagiarism detection into your apps. Check code against 20+ billion sources.

const response = await fetch('https://codequiry.com/api/v1/check', { method: 'POST', headers: { 'apikey': 'YOUR_API_KEY' }, body: formData }); // Check created!
Use Cases

Build With Codequiry API

A simple, powerful API for code plagiarism detection. Integrate in minutes, scale to millions of checks.

Simple REST API
CLI Tool Available
Unlimited Possibilities
Free MOSS Alternative

Who Uses Our API?

Verify Freelancer & Employee Code

Check if contractors or team members copied code from the internet, other projects, or used AI tools like ChatGPT to write their deliverables.

Upwork Fiverr Internal Teams

Technical Interviews

Validate take-home assignments and live coding tests. Ensure candidates submit original work, not copied solutions from LeetCode or GitHub.

HackerRank CoderPad Custom Tests

Universities & Educators

Teachers integrate directly into their grading workflows. Auto-check student submissions in Canvas, Moodle, Blackboard, or custom LMS platforms.

Canvas Moodle Blackboard

Coding Bootcamps

Validate bootcamp projects, capstone submissions, and daily assignments. Ensure students are learning, not copying from past cohorts.

Projects Capstones Assignments

Computer Science Courses

Perfect for CS101 through advanced courses. Check programming assignments across Python, Java, C++, JavaScript, and 50+ languages.

All CS Levels 51+ Languages

Hackathons & Competitions

Ensure fair play in coding competitions. Detect pre-written code, copied solutions, and submissions that violate competition rules.

MLH Devpost Custom

Online Course Platforms

MOOCs, Coursera, Udemy, and custom platforms. Automatically validate coding exercises and project submissions at scale.

Coursera Udemy edX

AI-Generated Code Detection

Detect code written by ChatGPT, GitHub Copilot, Claude, and other AI assistants. Ensure authentic human-written submissions.

ChatGPT Copilot Claude

Free MOSS Alternative

A modern, faster alternative to Stanford's MOSS. No email delays, instant results, better UI, and comprehensive web source checking.

Instant Results Web Search Better UI

Build Custom Tools

Build any application that needs code plagiarism detection. Grade automation, code review bots, CI/CD gates, and more.

Bots CI/CD Automation

Command Line Integration

Use our CLI tool for quick checks from your terminal. Perfect for scripting, automation, and developer workflows.

npm Scripts DevOps

Limitless Applications

The only limit is your imagination. Code review, IP protection, license compliance, vendor audits, and countless other use cases.

IP Protection Compliance Audits

Dead Simple Integration

4 API calls. That's it.

1

Create Check

POST /check/create
2

Upload Files

POST /check/upload
3

Start Analysis

POST /check/start
4

Get Results

GET /check/results

Ready to build?

Check out the complete API documentation with examples, tutorials, and SDKs.