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LINE MINI App

LINE MINI App Onboarding Requirements​

  • LINE MINI App onboarding is available only for companies with a Japanese Corporate Number or individual business owners residing in Japan.
  • Global builders wishing to onboard a MINI App must discuss the process separately with LINE NEXT.
  • LINE MINI App Policy

Create LINE Business ID & Sign in to LINE Developers​

  • Sign in using your personal LINE account or email
  • Create a Business ID to access LINE Developers Console




Register Developer Information​

  • Add Developer Name and Email

Create a Provider​

  • Enter Provider Name
  • Create the provider

Create a LINE MINI App​

warning
  • If you choose to deploy both LINE MINI App and LINE Login LIFF, please create both channels under the same LINE Provider.
  • When channels are created under the same Provider, the user’s LINE UID remains consistent across channels, which enables reliable user tracking and analytics.


FieldValue
FieldSelect target service country
Channel nameEnter Unifi Apps name
Channel descriptionProvide a brief service description



Basic settings​

Location: LINE Developers → Provider → LINE MINI App Channel → Basic settings

FieldValue
Channel icon
  • Upload a 130×130px image
Privacy policy URL
  • Enter the Unifi Apps privacy policy URL
  • Privacy Policy URL must belong to a corporate domain.
Localization
  • Enter at least three languages (EN, JP required)
  • Localization content that is unclear or ambiguous is frequently rejected. Ensure the service description is accurate.


Web app settings​

Location: LINE Developers → Provider → LINE MINI App Channel → Web app settings

FieldValue
Endpoint URL
  • Enter Unifi Apps URL
  • development / review / production URLs
Scopes
  •  openid (required), profile (optional)
Add friend option
  •  On (Normal)




Business information​

FieldValue
Customer support page URLCS inquiry page
Customer support email address
CS email 
 LINE Official Account ID
Available after Step 11
 Service company name
Legal entity or business owner name
 Service company type
corporate / self-employed
 Certificate document
Business registration certificate
 Identification documentRepresentative’s ID
Website URL Official service website
Email addressCorporate domain email
Development company information Enter separately if different from service owner (or select “same as service company”)
  




Contact information​

FieldValue
First Name / Last NamePerson in charge
Email address
Corporate domain email (review results & notices will be sent here)
Phone NumberPhone number of the person in charge 
Company name
Service owner (legal entity)
Company addressRegistered business address
Registration number
  • Corporate: Corporate Number
  • Sole proprietor: 0000000000000
  



Create a Messaging API Channel & LINE Official Account (Required for OA linking)​

Location: Provider → Create a new Channel → Messaging API → Create a LINE Official Account

warning

The interface is only available in Japanese, as MINI App is for Japan.




Configure the following:

  • SMS verification (text message)
  • アカウント名: Unifi Apps name
  • メールアドレス: Representative email
  • 会社・事業者の所在国・地域: Select the country
  • 会社・事業者名: Legal entity name
  • 業種: Select main & sub industry
  • 運用目的（複数選択可）: Select applicable purposes
  • 主な使い方: Select usage type
  • ビジネスマネージャーの組織との接続方法: Select appropriate option



Enable Messaging API for the LINE Official Account​

Location: LINE Official Account → Settings → Enable Messaging API → Select Provider


Location: LINE Developers → Provider → LINE MINI App Channel → Basic settings → Add friend option → Linked LINE Official Account → Edit


Review Request​

Location: LINE Developers → Provider → LINE MINI App Channel → Review request

  • Review can be requested only after completing all previous settings.
  • LINE MINI App review is performed by LY Corporation.
  • For Web3 review, please add the Unifi Tech Support Team as an Admin in the MINI App Channel (instructions will be provided via Tech Support channel).
  • Onboarding is complete only after all reviews are approved and the status becomes Reflected.



Re-verification Requirements (Important)​

The following fields require re-review if modified after approval:

  • Channel name
  • Description (Localization)
  • Privacy policy URL
  • Endpoint URL
  • Linked LINE Official Account
  • Business information fields
  • Contact information fields


note
  • Modifications will not be reflected until the re-review is approved.
  • Ensure stable information before requesting the initial review.