# getLatestBlockhash

> import Tabs from '@theme/Tabs'
import TabItem from '@theme/TabItem'
import CreditCost from '@site/src/components/CreditCost/CreditCostPrice.js'

# `getLatestBlockhash`

Returns the latest block hash. <CreditCost network="solana" method="getLatestBlockhash" />

## Parameters

- `config`: (object) _[optional]_ - Configuration object with the following options:
  - `commitment`: (string) _[optional]_ - The commitment level to use for the query. The default is `finalized`. Possible values are:
    - `finalized` - Queries the most recent block confirmed by a super majority of the cluster as having
      reached maximum lockout, meaning the cluster has recognized this block as finalized.
    - `confirmed` - Queries the most recent block that has been voted on by a super majority of the cluster.
    - `processed` - Queries its most recent block. The block may still be skipped by the cluster.
  - `minContextSlot`: _[optional]_ - The minimum slot to use for the query.

## Returns

`result` - An object with the following fields:

- `context` - An object containing the following keys:
  - `slot` - The slot number of the block that was queried.
  - `apiVersion` - The API version used for the query.
- `value` - An object containing the following keys:
  - `blockhash` - The `base58` encoded block hash.
  - `lastValidBlockHeight` - The last block height at which the block hash will be valid.

### Request

<Tabs>
  <TabItem value="curl">

```bash
curl https://solana-mainnet.infura.io/v3/<YOUR-API-KEY> \
  -X POST \
  -H "Content-Type: application/json" \
  -d '{"jsonrpc":"2.0","id":1, "method": "getLatestBlockhash", "params": []}'
```

  </TabItem>
</Tabs>

### Response

<Tabs>
  <TabItem value="JSON">

```bash
{
  "jsonrpc": "2.0",
  "result": {
    "context": {
      "apiVersion": "2.2.3",
      "slot": 372758352
    },
    "value": {
      "blockhash": "4zuGA4EyEjaN25qMVnwwij4UMRWcmEpFn1txrzMMk5xw",
      "lastValidBlockHeight": 360735720
    }
  },
  "id": 1
}
```

  </TabItem>
</Tabs>