Amazon Managed Blockchain (AMB) Query now supports listing unspent transaction outputs (UTXOs), enabling developers to quickly and easily build applications on the Bitcoin Mainnet and Testnet blockchain networks.

Developers can now simplify their transaction creation workflows on Bitcoin by using the AMB Query ListFilteredTransactionEvents API to obtain all the UTXOs owned by an address. Developers can also optimize their Bitcoin transaction tracking workflows by using the ListFilteredTransactionEvents API to determine the transaction IDs of all the transaction outputs that were spent by an address.

AMB Query is generally available in the US East (N. Virginia) region. AMB Query makes it easier than ever to access blockchain data with sub-second latency without the need for specialized infrastructure. Customers of AMB Query get blockchain data from the most popular networks delivered at scale and speed to meet the performance needs of real-world applications. Customers pay only for the API calls made with simple and predictable pricing. To learn more about AMB Query, see the user documentation. To learn more about other AMB offerings, see Amazon Managed Blockchain.