getbestblockhash - Litecoin

Example code for the getbestblockhash JSON-RPC method. Complete guide on how to use getbestblockhash JSON-RPC in GetBlock Web3 documentation.

This method returns the hash of the best (tip) block in the longest blockchain.

Parameters

• None

Request

cURL

cURL

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "getbestblockhash",
    "params": [],
    "id": "getblock.io"
}'

JavaScript (Axios)

Python

Rust

Response

{
    "result": "1b2a8a574ade97833ae8a7361d632fa02d44a6a2546076b4d5afced07f6c2137",
    "error": null,
    "id": "getblock.io"
}

Response Parameters

Field	Type	Description
result	string	The hash of the best block in the chain (64 character hex string).

Use Case

The getbestblockhash method is essential for:

• Getting the current chain tip

• Starting point for block traversal

• Chain reorganization detection

• Monitoring new blocks

• Synchronization verification

Error Handling

Status Code	Error Message	Cause
403	Forbidden	Missing or invalid ACCESS-TOKEN.

Integration Notes

The getbestblockhash method helps developers:

• Track the current chain tip

• Detect new blocks

• Build block notification systems

• Verify chain consistency

• Start blockchain traversal