Auth Block
Enterprise-grade authentication that developers love. Stop building auth, start building your product.
Complete Authentication Suite
Everything you need to secure your application, organized by feature category
Core Authentication
User registration, login, password management, and session handling with RS256 JWT tokens.
Multi-Factor Authentication
TOTP-based two-factor authentication with backup codes and QR code setup.
Enterprise SSO
Full OIDC Provider capabilities with OpenID Connect compliant endpoints.
API Management
Create and manage API keys for service-to-service authentication with AWS Gateway integration.
User Management
Complete admin tools with roles, permissions, and fine-grained access control.
Multi-tenant Architecture
True data isolation per tenant with company-level RSA keys for JWT signing.
Built for Production
Enterprise-ready from day one with industry-standard security and APIs
RS256 JWT Tokens
Asymmetric encryption with company-level RSA key pairs. Public keys exposed via JWKS endpoints for token verification.
- JWKS public key endpoint
- Per-company RSA keys
JSON:API Response Format
Standardized API responses following JSON:API specification for consistent integration across all endpoints.
- Consistent structure
- Standard error handling
OIDC Provider
OpenID Connect compliant endpoints for single sign-on. Use 23blocks Auth as your identity provider.
- Authorization endpoint
- UserInfo endpoint
Trusted by Developers Worldwide
From startups to enterprises, developers choose 23blocks Auth because it just works
SnowCheck
Outdoor Recreation Platform
Challenge:
2M+ authentication requests during peak ski season with 10x traffic spikes during weather events
Solution:
Auto-scaling authentication with AWS Gateway integration
Result:
Zero downtime during busiest season, 99.99% uptime maintained
HealthBridge Solutions
Healthcare Technology
Challenge:
HIPAA compliance requirements with detailed audit trails and automatic session termination
Solution:
Built-in HIPAA-compliant authentication with comprehensive audit logging
Result:
Production-ready in 2 weeks, security auditor approval
RideShare.co
Mobility Platform
Challenge:
Track user sessions across multiple devices while maintaining security and reducing friction
Solution:
Device fingerprinting and session management with trusted device features
Result:
70% cost reduction, 3x faster login, 85% less friction
TechCorp Solutions
Enterprise Software
Challenge:
Lost enterprise deals due to missing SSO capabilities and complex Azure AD requirements
Solution:
Multi-tenant SSO with flexible IdP configurations and OIDC provider
Result:
Fortune 100 client onboarded in 4 days, deal closed
Perfect For Your Use Case
From SaaS platforms to enterprise applications, 23blocks Auth scales with your needs
SaaS Platforms
Multi-tenant authentication with tenant isolation and custom branding
- Data isolation per tenant
- White-label login pages
- Unlimited scaling
Enterprise Applications
SSO, compliance, and advanced security features for large organizations
- OIDC Provider capabilities
- SOC2 & HIPAA compliance
- Advanced audit trails
API-First Companies
JWT tokens, API keys, and service-to-service authentication
- AWS Gateway ready
- API key management
- JWKS endpoints
Start Building Today
Get your first month free. No credit card required. Enterprise authentication without the enterprise complexity.
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