# Recipients Helper **This helper allows you to quickly and easily build a subscription form to add contacts to your contactdb in SendGrid.** ## Quick Start Run the [example](../../examples/helpers/contacts/recipients.php) (make sure you have set your environment variable to include your SENDGRID_API_KEY). ```bash php examples/helpers/contacts/recipients.php ``` ## Usage - See this complete working [example](../../examples/helpers/contacts/recipients.php). - [Documentation](https://sendgrid.com/docs/API_Reference/api_v3.html#contacts-api-recipients)