LINE onboarding flow

1. Create a new LINE contact (use the Add a contact and/or advisors to a contact API).

• If the contact is onboarded for the first time, they will receive an invitation email with complete instructions on how to authenticate their identity via the LINE app.

• Check if the user has completed their onboarding:

  • In the LINE Connect app: Check if the contact’s card shows the status CONFIRMED.

  • Using the List or search for contact API: Look for "status": "CONFIRMED" in the API response.

2. Create a room (use the Create room API).

3. Get the available LINE channels (also known as LINE Official Accounts) that can be used to communicate with the contact in the room (use List available channel connectors API). This is not required if the LINE channel automatic selection is enabled for your company of federation group.

4. Add the new contact to the room, specifying one available LINE channel (LINE Official Account) ID (use the Add room member API). To trigger automatic LINE channel selection (if enabled for your company or federation group), keep the LINE channel field empty.

The contact will receive a push message, inviting them to add the automatically or manually selected LINE official account as a friend in the LINE app.