getblockhash - Litecoin

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

This method returns hash of block in best-block-chain at height provided.

Parameters

Parameter	Type	Description
height	number (int)	The height index.

Request

cURL

cURL

curl --location --request POST 'https://go.getblock.io/<ACCESS-TOKEN>/' \
--header 'Content-Type: application/json' \
--data-raw '{
    "jsonrpc": "2.0",
    "method": "getblockhash",
    "params": [2750000],
    "id": "getblock.io"
}'

Axios (JavaScript)

Python (requests)

Rust (reqwest)

Response

{
    "result": "2b27dd39d0d380791408561a3f11c45b191ce11f88940128702861409c902168",
    "error": null,
    "id": "getblock.io"
}

Response Parameters

Field	Type	Description
result	string	The hash of the block at the given height (64 character hex string).

Use Case

The getblockhash method is essential for:

• Converting block height to hash

• Sequential block scanning

• Historical data retrieval

• Block indexing operations

• Chain traversal by height

Error Handling

Status Code	Error Message	Cause
403	Forbidden	Missing or invalid ACCESS-TOKEN.
-8	Block height out of range	Height exceeds current chain height.

Integration Notes

The getblockhash method helps developers:

• Navigate the blockchain by height

• Build block height indexes

• Retrieve historical blocks

• Implement block scanners

• Create height-based queries