The original title is about pulling live crypto market data without a rate-limited key, specifically using CoinGecko's public API.

Short summary

CoinGecko's public API serves live crypto market data—price, market cap, volume, rankings, and supply metrics—without requiring API keys or login. Batch requests using per_page=250 to fetch thousands of coins efficiently; the example shows pagination logic and brief backoff handling to avoid rare 429 rate-limit responses. The tutorial generalizes the pattern: check whether trusted sites already expose the data you need over public endpoints before committing to paid plans.

• •CoinGecko's free public API serves price, market cap, volume, and supply data without authentication
• •Batch queries with per_page=250 (1000 coins in 4 requests instead of 1000 individual calls)
• •Handle occasional 429 responses with brief backoff; generalizable pattern for finding free data endpoints

Generated with AI, which can make mistakes.