# getRecentPerformanceSamples

Returns a list of recent performance samples, in reverse slot order. Performance samples are taken every 60 seconds and include the number of transactions and slots that occur in a given time window.

#### Parameters required for this RPC call

* Number of samples to return (maximum 720). This is an optional parameter.

{% tabs %}
{% tab title="cURL" %}

<pre class="language-bash"><code class="lang-bash">curl https://rpc.shyft.to?api_key=YOUR-API-KEY -s -X \
<strong>  POST -H "Content-Type: application/json" -d ' 
</strong>   {
     "jsonrpc": "2.0",
     "id": 1,
     "method": "getRecentPerformanceSamples",
     "params": [
       2
     ]
   }
 '
</code></pre>

{% endtab %}

{% tab title="Web3.js" %}

```javascript
import { Connection, clusterApiUrl } from "@solana/web3.js";

const connection = new Connection("https://rpc.shyft.to?api_key=YOUR-API-KEY", "confirmed");

let limit = 2;

let performanceSamples = await connection.getRecentPerformanceSamples(limit);

console.log(performanceSamples);
```

{% endtab %}

{% tab title="Response" %}

```json
{
  "jsonrpc": "2.0",
  "result": [
    {
      "slot": 348125,
      "numTransactions": 126,
      "numSlots": 126,
      "samplePeriodSecs": 60,
      "numNonVoteTransactions": 1
    },
    {
      "slot": 347999,
      "numTransactions": 126,
      "numSlots": 126,
      "samplePeriodSecs": 60,
      "numNonVoteTransactions": 1
    }
  ],
  "id": 1
}
```

{% endtab %}
{% endtabs %}