Building Secure APIs in PHP: Lessons from the Best APIs in Production

Abstract

APIs are the backbone of modern applications, and PHP continues to power a significant portion of the world’s APIs. This talk focuses on building secure, developer-friendly APIs in PHP by learning from some of the most successful APIs in production today.

We’ll explore API design principles that improve usability, security, and long-term maintainability, covering authentication, authorization, error handling, versioning, and documentation. The session will also highlight common security mistakes seen in real-world PHP APIs and how to avoid them using proven patterns and tools.

Whether you’re building internal services or public-facing APIs, this talk provides practical guidance on designing APIs that developers enjoy using, and security teams trust.