---
name: getblockhash
btcversion: 26.0.0
btcgroup: blockchain
permalink: en/doc/26.0.0/rpc/blockchain/getblockhash/
---

getblockhash height

Returns hash of block in best-block-chain at height provided.

Arguments:
1. height    (numeric, required) The height index

Result:
"hex"    (string) The block hash

Examples:
> bitcoin-cli getblockhash 1000
> curl --user myusername --data-binary '{"jsonrpc": "1.0", "id": "curltest", "method": "getblockhash", "params": [1000]}' -H 'content-type: text/plain;' http://