Short codes are pre-approved by carriers to have a high throughput for SMS.
If you're sending more than a few hundred messages a day from a Clerk phone number, your messages run the risk of being marked as spam. Short codes are pre-approved by carriers to have a high throughput. This makes them perfect for sending those high-volume or time-sensitive messages. Here are some ways they're being used by our customers:
- Marketing and promotions
- Alerts and notifications
There are two types of shortcodes: vanity and random. A vanity shortcode is a specific number that you choose, while a random shortcode is assigned to you and can’t be reviewed in advance.