American Express: Cell-Based Architecture for Resilient Payment Systems

Software Architecture & Design(americanexpress.io)view on HackerNews
cell-based architecturepaymentsresiliencylocalitydeterministic routingidempotent processingfailure boundariesdistributed systems.

Author: birdculture

Date: 6/15/2026

Article Summary:
American Express discusses their cell-based architecture for resilient payment systems, emphasizing locality, deterministic routing, idempotent processing, and strict boundary enforcement to ensure low latency and high resiliency.