Editing Single opt in (section)

== Introduction ==
The feature of '''single opt-in''' in ActiveCampaign allows for a streamlined subscription process for your email marketing forms. Unlike '''double opt-in''', where subscribers must confirm their email address through a follow-up message, a single opt-in results in contacts being added directly to your list immediately after form submission. This can be particularly beneficial for improving the conversion rate of sign-ups, as it reduces the friction and barriers potential subscribers may encounter.

It's important to note that while double opt-in is a standard setting for forms that allow subscription to email lists, the single opt-in feature is turned on by default for forms involving SMS marketing. This article will guide you through enabling single opt-in for your subscription forms, providing step-by-step instructions, configuration options, best practices, and troubleshooting tips.