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The Indexer API, Transaction Stream Service, and Custom Processors are currently in beta. Please report any problems you encounter by creating an issue in the [aptos-indexer-processors]( repo.

Most applications require an indexer to efficiently query for on-chain state as the Aptos Node API provides only a basic, stable API and does not support data shaping required for rich user experiences. The Aptos Indexer processes raw blockchain data for app-specific needs, enabling low-latency and enhanced experiences for end-user applications.

Here’s an interactive example of how you can query for the Current Coin Balances of an account. More usage examples can be found in example queries.


Indexer API

Example Queries

Transaction Streaming Service (GRPC)

Legacy Indexer

Find information about the legacy indexer here.