Firebase Outages Spark Debate — Why Cresca Skipped It for Scale

Firebase’s recent downtime left thousands of apps scrambling. Cresca’s team anticipated this early on and built on more scalable, isolated infrastructure designed for high-volume email delivery without risk. In this blog, we discuss how Cresca’s backend architecture — including queueing with BullMQ, Redis-backed workers, and fault-tolerant delivery systems — allows campaigns to send smoothly even under peak loads.

Founders and developers looking for reliability should look under the hood — Cresca is built different.