Create an IP pool

**This endpoint allows you to create an IP pool.** Before you can create an IP pool, you need to activate the IP in your SendGrid account: 1. Log into your SendGrid account. 1. Navigate to **Settings** and then select **IP Addresses**. 1. Find the IP address you want to activate and then click **Edit**. 1. Check **Allow my account to send mail using this IP address**. 1. Click **Save**.