# Rate Limits

A rate limit is the number of API calls an app or user can make within a given time period. If this limit is exceeded or if CPU or total time limits are exceeded, the app or user may be throttled. API requests made by a throttled user or api will fail.

**All API requests are subject to rate limits.**

{% hint style="info" %}
Did you know? You can [contact us](https://www.serphouse.com/#contact-us) if you are on custom monthly plan and needs to increase a rate limit. 
{% endhint %}

#### Standard Rate Limit

| Plan                                                                      | Rate limit |
| ------------------------------------------------------------------------- | ---------- |
| Free Trial                                                                | 60         |
| Basic                                                                     | 60         |
| Regular                                                                   | 60         |
| [Custom Plan](https://www.serphouse.com/enterprise-custom-plan-offering/) | As needed  |

Above mentioned rate limits are calculated per minutes. 

#### Error Codes <a href="#error-codes" id="error-codes"></a>

When an app or user has reached their rate limit, requests made by that app or user will fill and the API will respond with an error code.

| Status code | Description       |
| ----------- | ----------------- |
| 429         | Too many requests |

#### Response Example

```json
{
    "message": "Too Many Attempts."
}

```

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