Kupo is a fast, lightweight and configurable chain indexer for Cardano that tracks only the patterns an application cares about.
Source: GitHub repository. Last checked 2026-09-18. Spot an error? Tell us.
Nearby and similar
Adder is an event-driven tool and library for tailing the Cardano blockchain and reacting to on-chain events.
Argus is a .NET indexing framework that turns Cardano block data into structured, queryable records for C# applications.
Blink Labs builds open-source nodes, protocol libraries, indexers and data services for UTxO blockchains, and co-operates the Demeter managed Cardano API service with TxPipe.
Blockfrost is a hosted Cardano API that gives developers instant, scalable access to chain data and transaction submission without running their own node, including a free tier.
cardano-db-sync follows the Cardano chain and writes blocks and transactions into PostgreSQL, providing the relational backend most Cardano explorers and analytics tools rely on.
cardano-graphql exposes indexed Cardano chain data through a GraphQL API for applications that prefer graph queries.