mTLS in MuleSoft: Why Truststore and Keystore Confuse Everyone (And How to Get It Right)

“Which certificates do I need to give to the client?” That was the question I couldn’t answer confidently the first time I configured mTLS in MuleSoft. I understood the handshake at a high level — both sides prove who they are. What I didn’t understand was the practical side: who holds what, and where in the platform does each piece actually live? If you’ve been there, this post is for you. ...

April 7, 2026 · 6 min · Patryk Bandurski

Understanding One-Way vs. Two-Way TLS for APIs

When building secure APIs, TLS (Transport Layer Security) is a must. But not all TLS setups are created equal. If you’ve ever wondered what exactly two-way TLS is — or when to use it — you’re in the right place. Let’s break it down in a simple way. 🔐 One-Way TLS (Standard TLS) We all use it every day. Every time you log in to your bank account or shop online, you’re using one-way TLS. Your browser verifies the identity of the server via a certificate, usually signed by a trusted Certificate Authority (CA). ...

April 3, 2025 · 3 min · Patryk Bandurski