getbestblockhash

POST

/{apiKey}

Returns the hash of the most-work fully-validated tip block in the active Bitcoin blockchain.

Path Parameters

stringrequireddefaults to docs-demo

For higher throughput, create your own API key

Responses

200

The hash of the best block in the longest chain.

A 64-character hex string representing the block hash.

POST/v2/{apiKey}

curl --request POST \  --url https://bitcoin-mainnet.g.alchemy.com/v2/docs-demo \  --header 'Content-Type: application/json' \  --data '{  "jsonrpc": "2.0",  "id": 1,  "method": "getbestblockhash"}'

200Success

{  "jsonrpc": "2.0",  "id": 1,  "result": "00000000000000000001fe9b58c5ccd401de62139c29e7dbfd32bd3cf14b650c"}

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