Clerk
Secure authentication APIs and SDKs for React and Next.js developers
Recommended for
- Solo / Indie
- Pre-Seed
- Seed
Clerk delivers enterprise-grade authentication and user management built for modern web frameworks like React, Next.js, and Remix. Developers integrate pre-built UI components for sign-up, sign-in, and profile management in minutes, while retaining full control over branding and custom domains. The platform supports multi-factor authentication, session management, and scalable organization handling—all through a single API. Free trial available for teams evaluating secure, compliance-ready authentication solutions. Ideal for developer tools and security-focused applications needing reliable APIs and SDKs.
SSIE
Stage Fit Recommendations
Following data shows why Clerk is recommended for listed teams. The Fit Score represents the percentage fit of Clerk to each company stages, as calculated by the SSIE.
Stage
Fit Reasons
Solo / Indie
$0–$2,000 MRR
- Free Hobby plan available
- Individual-targeted plan with no card required
Pre-Seed
$0–$10k MRR
- Accessible entry pricing at nth
- No enterprise security certification gating
Seed
$10k–$100k MRR
- Team-oriented Business plan available
- 2 paid tiers with different usage levels
Pricing
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