Securing APIs in Production: Our Security Stack

Alexander Pettersson
7th May 2025
2 min read

Deep dive into our API security architecture, including rate limiting, authentication, and monitoring strategies.

API security is critical for any modern application. Today, I'll share our comprehensive approach to securing APIs in production, covering everything from authentication to monitoring.

Authentication & Authorization
We use a multi-layered approach:
• JWT tokens with short expiration times
• Refresh token rotation
• OAuth 2.0 with PKCE for third-party integrations
• Role-based access control (RBAC) with fine-grained permissions

Rate Limiting & DDoS Protection
Our rate limiting strategy includes:
• Redis-based distributed rate limiting
• Different limits for authenticated vs anonymous users
• Cloudflare for DDoS protection and WAF rules
• Circuit breakers to protect downstream services

Monitoring & Alerting
We monitor all API endpoints with:
• Request/response logging with structured data
• Real-time alerting for unusual patterns
• Security scanning with OWASP ZAP integration
• Regular penetration testing

Input Validation
Every API endpoint includes:
• Schema validation using JSON Schema
• SQL injection prevention
• XSS protection
• File upload security scanning

Security is an ongoing process, not a destination. We continuously review and improve our practices.

Keep your APIs safe, and remember sanitation.
Alex, Chief Executive Officer

Found this technical post helpful?

Dive deeper into our technical insights and connect with our engineering team for collaboration opportunities.