Definition
Opt in
An opt in is a customer's explicit permission to receive messages from a business, such as texts or emails. Getting a clear opt in is required by law for many kinds of marketing and protects your sender reputation, ensuring you reach people who actually want to hear from you.
An opt in is consent. Before you send marketing texts or emails, the customer must agree to receive them, usually by checking a box, texting a keyword, or filling out a form. It is both a legal requirement and good practice.
Opt ins protect you and your customers. They keep you compliant with rules like those behind 10DLC and email regulations, and they mean your messages go to a receptive audience, which improves engagement and keeps you off spam lists.
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