API Gateway as Compliance Enforcement Point: Rate Limiting, Auth, and Data Classification

CC6.2

SOC 2 common criterion governing API key lifecycle management â€” the gateway is the enforcement point

The API gateway layer sits between every consumer and every service â€” which makes it the natural enforcement point for cross-cutting compliance controls. PII field masking in responses, rate limiting as a PSD2 RTS Article 36 compliance control, mutual TLS enforcement, and API key lifecycle management for SOC 2 CC6.2 all belong at the gateway. The engineering question is which controls must be at the gateway versus in application code â€” and the answer depends on your threat model and your audit evidence requirements.

Full article content coming soon.

Compliance Engineering

The engineering behind this article is available as a service.

We have done this work — not advised on it, not reviewed documentation about it. If the problem in this article is your problem, the first call is with a senior engineer who has solved it.

Talk to an Engineer See Case Studies →

API Gateway as Compliance Enforcement Point: Rate Limiting, Auth, and Data Classification

EU AI Act: What CTOs Actually Need to Do Before August 2026

What Happens to Your HIPAA BAAs When You Migrate to Cloud

The Vendor Rescue Pattern: How to Recover a Failed Implementation in 12 Weeks

The engineering behind this article is available as a service.