An API (Application package interface) is a software tool that enables researchers and developers to access some third-party data and functionality within a main software. Usually, it’s a collection of software commands that act as an interface to an external database. Web 3 APIs act as translators, enabling applications to interact with features like smart contracts and on-chain data, empowering you to harness the power of Web3 without diving deep into technical complexities.

Various API categories —REST, SOAP, RPC, and WebSocket— offer unique strengths tailored to different use cases: