Building Real-Time Forex Platforms: A Technical Guide to APIs and Mobile Architecture

Forex APIs vary dramatically in quality, and choosing the right architecture for real-time data streaming, local caching, and order management directly impacts platform reliability and user experience. As mobile-first trading accelerates in emerging markets like India, developers must balance technical sophistication with operational realities like opaque fee structures and API rate limits. Understanding this stack—from WebSocket connections to time-series databases—is increasingly critical for building competitive trading applications.