CoinGecko aggregates price, volume, market cap, and on-chain metrics across thousands of tokens and hundreds of exchanges, making it a primary data source for crypto analysts, portfolio managers, and DeFi researchers. Its public API is deliberately accessible — rate limits on the free tier are relatively modest rather than prohibitive — but the combination of large token universe coverage and high-frequency monitoring requirements quickly pushes data collection operations past what a single IP can sustain without interruption.
CoinGecko exposes data through two distinct surfaces: a documented REST API with versioned endpoints, and a web interface that renders additional data — trending token lists, newly listed assets, exchange-specific analytics — that is not always available through the public API. A complete data collection setup requires proxy configuration for both. The API endpoints accept both free-tier and paid API keys; rotating proxies are used alongside API keys to distribute rate-limit consumption across multiple IP-and-key combinations when collection volume exceeds the allocation of a single key. For web endpoint access, residential proxies are the more robust choice because CoinGecko's web interface applies bot-detection measures that are not present on the structured API endpoints.