This document provides examples for specific Twilio SendGrid v3 API non-mail/send use cases. Please [open an issue](https://github.com/sendgrid/sendgrid-nodejs/issues) or make a pull request for any use cases you would like us to document here. Thank you!

# Table of Contents

- [How to Setup a Domain Authentication](#domain-authentication)
- [How to View Email Statistics](#how-to-view-email-statistics)
- [How to use the Email Activity Feed](#how-to-use-the-email-activity-feed)


<a name="domain-authentication"></a>
# How to Setup a Domain Authentication

You can find documentation for how to setup a domain authentication via the UI [here](https://sendgrid.com/docs/ui/account-and-settings/how-to-set-up-domain-authentication/) and via API [here](USAGE.md#sender-authentication).

Find more information about all of Twilio SendGrid's authentication related documentation [here](https://sendgrid.com/docs/ui/account-and-settings/).

<a name="email-stats"></a>
# How to View Email Statistics

You can find documentation for how to view your email statistics via the UI [here](https://app.sendgrid.com/statistics) and via API [here](USAGE.md#stats).

Alternatively, we can post events to a URL of your choice via our [Event Webhook](https://sendgrid.com/docs/API_Reference/Webhooks/event.html) about events that occur as Twilio SendGrid processes your email.

<a name="email-activity-feed">
# How to use the Email Activity Feed

You can find documentation for how to use the Email Activity Feed via the UI [here](https://sendgrid.com/docs/ui/analytics-and-reporting/email-activity-feed/) and via API [here](USAGE.md#messages).

Find more information about getting started with the Email Activity Feed API [here](https://sendgrid.com/docs/API_Reference/Web_API_v3/Tutorials/getting_started_email_activity_api.html).