Technology & Architecture
Architecting for Scale: How to Handle 10M+ Daily WhatsApp API Requests
By Sarah Chen
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8 min read
A comprehensive technical deep dive into building resilient messaging infrastructure. Discover how our engineering team optimized connection pooling, implemented sophisticated retry logic, and utilized edge caching to maintain 99.99% uptime.
The Challenge of Scale
Scaling a messaging infrastructure to handle over 10 million daily API requests requires rethinking how connections are managed, data is buffered, and failures are isolated.
Connection Pooling & Optimization
TCP connection overhead was mitigated using persistent keep-alives and HTTP/2 multiplexing.
Intelligent Load Balancing
Latency-aware routing ensures traffic is routed to geographically optimal nodes, reducing p99 latency by 40%.