Covalent

As a dapp developer, retrieving onchain data for your dapp can be difficult as you will most probably:

1. Consume your RPC provider quota with calls
2. Need to implement the error handling on multiple levels
3. Define creative strategies to be able to avoid UX impacts when you want to manage an high volume of Data

Covalent is a decentralized data indexer provider that index Linea blockchain for you and expose and provide onchain data as https API.

See how to use Covalent on Linea on their docs website