Overview

c15t is a headless consent engine that transforms privacy management from a compliance checkbox into a fully observable system. Built for modern development teams, it provides a flexible, performant solution for managing user consent across web applications.

<a href="https://www.youtube.com/watch?v=XtuBNb_qsjI" target="_blank" rel="noopener noreferrer"> <img src="https://img.youtube.com/vi/XtuBNb_qsjI/maxresdefault.jpg" alt="Why Your Consent Banner Should Be in Your Bundle – Next.js Conf 2025" width="720"> </a> ▶️ Watch the Next.js Conf 2025 Talk: “Why Your Consent Banner Should Be in Your Bundle” <a href="https://c15t.link/talk">https://c15t.link/talk</a>

Packages

| Package | Description | Key Features | Version | |---------|-------------|--------------|---------| | c15t | Lightweight, Framework-Agnostic Consent Management | Developer-First Design, Works across JavaScript frameworks, GDPR Compliance, Customizable Consent Management, Server-Side Rendering Support, Internationalization | | | @c15t/react | React Components for Consent Management | Works with React 19, 18, 17, 16.8, Full 'use client' support, Headless and customizable UI, Automatic GDPR compliance, Built-in internationalization | | | @c15t/nextjs | Next.js Consent Integration | Works with Next.js 15, 14, 13, Server-side rendering support, App and pages router compatibility, 'use client' support, Automatic compliance | | | @c15t/translations | Internationalization Support | Type-safe translation interfaces, Modular translation imports, Supports partial and complete translations, Defines translation types for consent components | | | @c15t/scripts | Prebuilt Scripts | Prebuilt script snippets for popular analytics and marketing tools, Easy integration with c15t's script loader, Configuration options for each supported vendor, Supports Google Tag Manager, Meta Pixel, PostHog, TikTok Pixel, LinkedIn Insights, Microsoft UET, and X Pixel | | | @c15t/dev-tools | Developer Tooling | Experimental developer utilities, React component library with utility tools, Radix UI and Tailwind CSS integration, State management and UI component helpers, Currently under active development | | | @c15t/cli | Command-line Interface | Configuration Generation, Database Migrations, Multi-Framework Support, Interactive Guided Workflows, GitHub Integration | | | @c15t/backend | Consent Management Backend | Consent Policy Engine, Geo-Location Detection, Server-Side Translation, Audit Logging, Domain and Policy Management | | | @c15t/node-sdk | Type-Safe Node.js API Client | Fully Typed API Client, Flexible Client Configuration, Dynamic Base URL Support, Comprehensive Error Handling | |

Documentation

Comprehensive guides for different frameworks:

Support

Join our Discord community
Open an issue on our GitHub repository
Visit consent.io and use the chat widget
Contact our support team via email support@consent.io

Contributing

We're open to all community contributions!
Read our Contribution Guidelines
Review our Code of Conduct
Fork the repository
Create a new branch for your feature
Submit a pull request
All contributions, big or small, are welcome and appreciated!

Security

If you believe you have found a security vulnerability in c15t, we encourage you to responsibly disclose this and NOT open a public issue. We will investigate all legitimate reports.

Our preference is that you make use of GitHub's private vulnerability reporting feature to disclose potential security vulnerabilities in our Open Source Software. To do this, please visit https://github.com/c15t/c15t/security and click the "Report a vulnerability" button.

Security Policy

Please do not share security vulnerabilities in public forums, issues, or pull requests
Provide detailed information about the potential vulnerability
Allow reasonable time for us to address the issue before any public disclosure
We are committed to addressing security concerns promptly and transparently

License

GNU General Public License v3.0

Built with ❤️ by the consent.io team

C15t

Install / Use

README