Infura

Infura is a Blockchain Development Suite from ConsenSys (acquired December 2020), a suite of high availability APIs and Developer Tools provide access to the Ethereum and IPFS networks the help the user focus on building software. The Infura Standard Ethereum API provides instant access to the Ethereum network over HTTPS and WebSocket, and is available on free plan (up to 100,000 requests per day), and higher volume paid plans.