The word “opt” means to make a decision from a range of options. In this case, by asking text recipients to opt in, they are giving permission to allow you to send text messages directly to their mobile phone.
According to the FCC, it is illegal to text recipients without their explicit agreement to receive messages from them. US carriers as well as all application-to-person text messaging services abide by these instructions to help reduce spam. In order to stay within compliance, there are specific guidelines to follow.
You can read more about the Telephone Consumer Protection Act (TCPA) here.
Opt in text messages takes the above into account a bit further. By asking subscribers to express explicit written consent to receive text messages from an entity, we are successfully asking for their opt in. Oftentimes a request for opt in asks the recipient to reply with a specific keyword like “YES” to confirm they would like to receive text messages.
Here are some examples that we often see within Sheet Gurus SMS:
Best practice assumes that senders will use a double opt in where:
The STOP keyword is standard for all toll free numbers and automatically unsubscribes a recipient from your phone number. This is automatically managed by US carriers and once a recipient replies STOP, they will not receive messages again from your toll free number again unless they text START.
There are different ways for a sender to ask for permission to text recipients. Check out the different types of opt-ins and which you should choose when verifying your toll free number.
An opt out text message is typically a keyword that allows a recipient to unsubscribe from any future text messages from a phone number. By default here are key words that will indicate an opt out message:
Here are some examples that we often see within Sheet Gurus SMS: