Covalent issues free APIs to connect projects with the data they require, with support for 40 blockchains. Developers can use the Covalent API and create query apps that serve dynamic data on request. Covalent also rolls out research training programs with the aim of making Web3 development knowledge mainstream.
Apibara is an open-source tool to stream and compose streams of on-chain data.
Basement offers the easiest way to access on-chain data with a fast GraphQL API and indexing tools.
Venture Studio
Envio is a modern, multi-chain EVM blockchain indexer for real-time and historical data.
Real-time and historical custom data indexing for any evm chain
Power your apps with real-time blockchain data and subgraphs without managing complex infrastructure.