How to Get Real-Time Crypto Updates Without Polling (Webhook Guide)

CoinGecko’s cg.coin.info.updated webhook delivers event-driven push notifications for coin metadata changes such as contract migrations, symbol updates, logo changes, category changes, and public notices, eliminating the latency and API credit waste of polling-based approaches. The guide explains how webhooks replace continuous polling loops with signed HTTP POST requests sent only when relevant events occur, reducing server load and operational overhead as applications scale.