public-apis/public-apis

public-apis/public-apis sits at #1 with 435,599 stars, a massive, community-curated directory of free APIs for everything from weather to machine learning. This resource includes over 1,400 public APIs, each vetted and categorized, making it go-to for bootstrapping any application. Outperforming #2 by over 47,000 stars, its scale and active maintenance ensure developers spend minutes instead of hours searching for integrations.