Free API Comparisons

Side-by-side reviews of the top free APIs in each category. Each comparison shows live status, 30-day uptime, response time, free-tier truth, and a recommendation based on the measured data — not marketing copy.

81 comparisons across 14 categories. All comparisons use the four most-searched APIs per category and are updated daily.

Looking for a comparison that isn't here? The compare pages are deliberately limited to the four most-searched APIs per category to keep URLs stable. For broader exploration, see category pages, our long-form comparisons on the blog, or the top picks per category.