Moralis

Ponder ni mfumo wa uwekaji faharisi kwa programu za kripto wenye msisitizo wa kuonyesha upya haraka na urahisi wa msanidi programu unapohudumia data mpya za mnyororo kwenye mazingira ya nyuma au mbele ya bidhaa.

rindexer ni mfumo wa uwekaji faharisi unaolenga programu wenye urahisi wa GraphQL na Postgres unapohitaji njia za kuaminika za mnyororo-hadi-API bila gundi maalum ya ETL.

Envio ni mfumo wa uwekaji faharisi wa minyororo mingi wenye vishikio vya TypeScript, JavaScript, au ReScript ambao husawazisha kupitia HyperSync badala ya RPC unapohitaji GraphQL API moja inayoungwa mkono na Postgres kwenye minyororo kadhaa ya EVM.

The Graph is a decentralized indexing protocol where builders deploy subgraphs and query them over GraphQL. Builders use it to turn contract events into a queryable API without running their own indexer.

Covalent, delivered as GoldRush, is a unified REST API for historical onchain data across many chains. Builders call it when an application needs normalized balances, transfers, and history without writing a chain-specific indexer.

Bitquery serves decoded blockchain data across networks through GraphQL, Kafka, and gRPC interfaces. Builders use it when an application needs decoded transactions and events from several chains in one place.