Covalent

Covalent provides free APIs that connect projects with the data they need, with coverage across 40 blockchains.

Developers can use the Covalent API to build query-based applications that retrieve dynamic data on demand.

In addition, Covalent runs research training programs aimed at broadening Web3 development knowledge and helping developers harness blockchain data in practical, scalable ways.

This combination supports both rapid integration and hands-on learning for teams new to on-chain data.