Bulk SMS at Scale: What MasokoDigital Learned Serving East African Institutions

Sending a single SMS is easy. Sending hundreds of thousands reliably, with delivery tracking, opt-outs, and API access for other systems to plug into, is a different problem entirely. MasokoDigital has processed bulk notification campaigns for NGOs, banks, and government programmes — this post covers the architecture decisions that keep delivery reliable even during peak load.