Blog
Deep dives on APIs.
- Best SerpApi Alternatives in 2026, RankedThe best SerpApi alternatives in 2026, ranked by price per search, free tier and data source, with every price read from the vendor's own page in October 2026.
- API Response Time: What 99 Public APIs Actually DoWe timed 99 live public APIs. The median answered in 446 ms, the server's own share was 195 ms, and distance mattered more than code. What counts as good.
- The State of Public APIs 2026: Data From 1,580 APIsWe measured all 1,580 public APIs in our directory. How many need a key, OAuth or nothing, which work from a browser, what is growing, and how many are down.
- API Caching: What 87 Public APIs Actually SendWe read the cache headers of 87 live public APIs. 31% send none, and only 37% answer a conditional request with a 304. What that means and how to cache them.
- Best SendGrid Alternatives in 2026, RankedThe best SendGrid alternatives in 2026, ranked, with every free tier and entry price read live from the vendor's own pricing page in October 2026.
- Best OpenAI API Alternatives in 2026, RankedThe best OpenAI API alternatives in 2026, ranked by cost, openness and drop-in compatibility, with every free tier and base URL checked in September 2026.
- Best Google Maps API Alternatives in 2026, RankedThe best Google Maps API alternatives in 2026, ranked, with every free tier checked and 90 geo APIs from our own directory sorted by what they really do.
- REST API Naming Conventions: What 72 APIs DoWe read the OpenAPI specs of 72 public APIs and counted 3,852 endpoint paths. The naming conventions real APIs follow, where they disagree, and what to copy.
- Best Auth0 Alternatives in 2026, RankedThe best Auth0 alternatives in 2026, ranked, with every free tier and open-source repo checked in September 2026. The headline user allowances do not compare.
- Best ngrok Alternatives in 2026, RankedThe best ngrok alternatives in 2026, ranked, with every licence and last commit checked, plus why the most recommended free option has not shipped in a year.