# 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.

This method will use `30` [Compute Units](/v1/about/billing.md).

***

## **Parameters**

* `limit` string. The number of samples to return (maximum 720).

## Returns

`result` A JSON object with the following fields:

* `numNonVoteTransactions` The number of non-vote transactions during the specified sample period.
* `numSlots` The number of slots in the sample.
* `numTransactions` The number of transactions in the sample.
* `samplePeriodSecs` The number of seconds in the sample window.
* `slot` The slot in which the sample was taken at.

```bash
// Result
{
	"jsonrpc": "2.0",
	"result": [
		{
			"numNonVoteTransactions": 67446,
			"numSlots": 153,
			"numTransactions": 273901,
			"samplePeriodSecs": 60,
			"slot": 320159096
		},
		{
			"numNonVoteTransactions": 59615,
			"numSlots": 150,
			"numTransactions": 267266,
			"samplePeriodSecs": 60,
			"slot": 320158943
		},
		{
			"numNonVoteTransactions": 62675,
			"numSlots": 154,
			"numTransactions": 271136,
			"samplePeriodSecs": 60,
			"slot": 320158793
		},
		{
			"numNonVoteTransactions": 75845,
			"numSlots": 179,
			"numTransactions": 324128,
			"samplePeriodSecs": 60,
			"slot": 320158639
		}
	],
	"id": 1
}
```

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

<pre class="language-bash"><code class="lang-bash"><strong>curl https://mainnet.solana.validationcloud.io/v1/&#x3C;YOUR_API_KEY_HERE> \
</strong>    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0", "id":1, "method":"getRecentPerformanceSamples", "params": [4]}'
    
</code></pre>

{% endtab %}

{% tab title="devnet" %}

```bash
curl https://devnet.solana.validationcloud.io/v1/<YOUR_API_KEY_HERE> \
    -X POST \
    -H "Content-Type: application/json" \
    -d '{"jsonrpc":"2.0", "id":1, "method":"getRecentPerformanceSamples", "params": [4]}'
    
```

{% endtab %}
{% endtabs %}


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