Best Crypto APIs for Developers in 2026

Picking the wrong crypto API will waste weeks of your time. I've seen projects get deep into integration before realising the API doesn't support the chains they need, or the free tier evaporates the moment they try to do anything real, or the docs are just a Postman collection with no context. So here's what I actually found after going through the major options in 2026 what they're good at, where they fall short, and who each one is actually built for. Before getting into the list, it helps to