samdeepthink

May 18, 2026 · Backend Development

Why Each Payment Channel Needs Its Own Microservice: A Payment Center Design

The article analyzes the drawbacks of bundling multiple payment channels into a single service and presents a layered micro‑service architecture—splitting gateway, orchestration, channel, and storage layers—detailing the reasons for channel isolation, routing mechanisms, fee allocation, callback merging, data modeling, wallet accounting, and security considerations.