BitcoinBitcoin API Endpoints

gettxoutsetinfo

Returns statistics about the unspent transaction output (UTXO) set. Only the current chain tip is supported; querying specific blocks is not available.

⚠ This endpoint is only available with Blast access.

Path parameters

apiKeystringRequired

Request

This endpoint expects an object.
use_indexbooleanOptional

Whether to use coinstatsindex if available. Defaults to true.

Response

Statistics on the current state of the UTXO set.
heightinteger or null
The current block height.
bestblockstring or nullformat: "^[a-fA-F0-9]{64}$"

A 64-character hex string representing the block hash.

txoutsinteger or null
Total number of unspent outputs.
bogosizeinteger or null
A meaningless metric used for comparison purposes.
hash_serialized_3string or null
The serialized hash of the UTXO set.
muhashstring or null
A MuHash of the UTXO set, used for integrity checks.
total_amountdouble or null
Total amount in BTC of all UTXOs.
transactionsinteger or null
Number of transactions with unspent outputs.
disk_sizeinteger or null
Estimated size of the UTXO set on disk, in bytes.