LINE How-To Scenarios | How Can Brands Collect Friends’ Emails When They Tap a Link?

Why can some brands collect a friend’s email address the moment they tap a link from a LINE Official Account? Just turn on “Email address permission” in your LINE Login channel in LINE Developers. When friends tap the link, you receive the email linked to their LINE account, which you can use for account linking, customer support, or new-product announcements.

Khan LeeCTO2021-10-22

Hi, I’m Khan, CTO of OakMega! Clients ask me this all the time: how do some brands set up links from their LINE Official Account so they collect a friend’s email address the moment it’s tapped? As the screenshot below shows, once a friend taps “Allow,” the brand receives their email and can use it for account linking, customer support, or new-product announcements.

LINE’s email permission screen with the Allow button, letting a brand obtain the user’s email for account linking or follow-up.

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This feature is also tied to LINE Login. Just turn on “Email address permission” in the LINE Login channel on LINE Developer, and when friends tap your link, you’ll receive the email address linked to their LINE account. (If a user hasn’t linked an email to LINE, there’s nothing to collect.) Step-by-step instructions are below.

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On the LINE Developers site, click “Log in” in the top-right corner and sign in to the LINE Developers console with your LINE Business ID.

The LINE Developers home page with the “Log in” button in the top-right corner highlighted by a red box and arrow, showing where to sign in.

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In LINE Developers, open the LINE Login channel under the matching provider, go to “Basic settings,” scroll down to the Email address permission field, and click “Apply.”

The LINE Login channel settings page in the console, where admins can find Email address permission and apply for email access.

A LINE Developers channel settings page showing Email address permission not yet applied for, with an Apply button, illustrating how to request access.

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Follow the prompts to check the usage statement and agree to comply with the privacy policy requirements.

The LINE Developers email permission application page, where you check the agreement statements and agree to the privacy policy before collecting users’ emails.

The LINE Developers email permission application page, with the usage statement and privacy policy boxes to be checked.

Scroll down, upload a screenshot of your email usage terms, and click “Submit” to complete the email collection application.

The LINE Developers email collection application page with the statements and privacy terms checked and a screenshot uploaded, ready to submit.

The LINE Developers email collection application page: check the privacy and data terms, upload the screenshot, then submit.

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Once it’s set up, when friends tap your link, you’ll receive the email address linked to their LINE account (provided they linked an email when they registered for LINE).

The LINE Developers channel settings page showing that email collection permission has been applied.

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Want to learn more about running your LINE presence? Where can you view the emails you’ve collected? Head over to the OakMega LINE Official Account for more LINE marketing tips, or follow our “OakMega LINE Marketing Playbook,” which walks you through building a brand LINE Official Account from scratch.