---
source_url: "https://clerk.com/react-authentication"
title: React Authentication SDKs for modern frameworks
mirrored_at: 2026-08-12T01:09:31.689Z
host: clerk.com
cited_in_42a: true
mirror_canonical: "https://index.42a.ai/clerk.com/react-authentication"
---
> **Original source:** https://clerk.com/react-authentication
## React SDKs
Build with your choice of framework
Clerk's React SDKs are purpose-built to integrate naturally with each framework's patterns and features. Choose one to get started.
## Backend SDKs
Authenticate on any backend
Clerk's backend SDKs offer authentication helpers to easily access important data like the currently active user's ID.
## Backed by experts
Endorsed by engineering leaders and technical investors
> The best practices built-in to their and components would take months to implement in-house, yet no sacrifice is made in terms of Enterprise extensibility or customization to your brand.
Name
Guillermo Rauch
Role
CEO
Company
Vercel
> Clerk feels like the first time I booted my computer with an SSD. It’s so much faster and simpler that it changed how I do things.
Name
Theo Browne
Role
CEO
Company
Ping Labs
> After spending many hours on auth issues that seemed simple (but were not), we moved to Clerk and all that burden was lifted. We kind of wish we’d made that decision earlier.
Name
Julian Benegas
Role
CEO
Company
BaseHub
> We’re big admirers of what the @clerk team are building and looking forward to working more closely with them.
Name
Patrick Collison
Role
CEO
Company
Stripe
> We were able to ship MFA, SSO, and SAML for our customers in a fraction of the time. Now, we have improved security and must-haves for enterprise prospects.
Name
Dan Farrelly
Role
CTO
Company
Inngest
> Clerk’s integration gives Supabase developers another incredible option for handling authentication. And the Clerk team are a pleasure to work with.
Name
Paul Copplestone
Role
CEO
Company
Supabase
## Sophisticated security
Take the security burden off your shoulders
Security is Clerk's most important responsibility and the central focus of every feature we build. We undergo rigorous security testing and maintain certification with leading industry standards.
[Learn more](https://clerk.com/docs/guides/secure/overview)
### Secure, private, and compliant. Always.
- SOC2 Type II
- HIPAA
- CCPA
## Comprehensive user management
Much more than authentication
Authentication is only the beginning. Clerk gives you everything you need to manage your growing user base - from authorization and organization management to a powerful admin dashboard.
### Build team-based features quick with Organizations
Enable your users to create and manage teams, invite team members manually, or set up auto-invites for teammates who share a company email domain.
[Learn more](https://clerk.com/docs/guides/organizations/overview)
## Frequently asked questions