Eventbrite (JSON-LD ItemList, __NEXT_DATA__ for detail; public API needs auth),
Etsy (DataDome blocks http_get; browser CDP + official API v3 with free key),
CoinGecko (free API, sleep 5s between calls; /coins/list for IDs not symbols),
eBay (http_get works until rate limit; JSON-LD Product schema on detail pages).
sauravpanda