LINE MINI App Verification Review: A Pre-Submission Checklist That Prevents Rework

A LINE MINI App does not automatically need verification before it can be published. The first question is whether your product actually depends on a verified-only capability. If it does, the review is more than a technical launch check: LINE evaluates identity consistency, policy compliance, channel configuration, and whether a reviewer can complete the service's real user flows. A preventable documentation mismatch can add another review cycle, so the best time to audit the submission is before opening the Review request tab. Decide whether verification is necessary According to LINE's custom-features matrix, these capabilities require a verified MINI App: Feature Verification required Production service messages Yes Custom Path Yes Home-screen shortcut Yes Common Profile Quick-fill Yes MINI App name and verified badge in the header Yes Official Account add-friend prompt No Custom action button No Payment-system integration No, but availability and separate reviews vary by region If none of the verified-only features are on your critical path, publishing the core experience as an unverified MINI App may be a reasonable first release. If verification is required, budget for the review before committing to a launch date. 1. Align the organization identity The official submission guide requires the provider name to match the service provider. The company named in the privacy policy must also match the provider. Audit these fields together: Location Value to verify LINE Developers Console provider Registered provider name Channel information Service provider name Privacy policy Company acquiring or processing user data Channel description Company and service relationship Localized information The same identity in every supported language A simple internal review record might look like this: { "providerName": "Example Company Ltd.", "serviceProviderName": "Example Company Ltd.", "privacyPolicyCompany": "Example Company Ltd.", "status": "matched" } Do not assume that a brand name, parent company, subsidiary, or trading name is automatically equivalent to the registered provider. If development and service operation are handled by different companies, describe that relationship clearly in the channel description and privacy policy. 2. Make the channel description testable A vague description tells the reviewer what the business is, but not what the MINI App actually does. Weak description: This is an online store. Stronger description: This LINE MINI App lets customers select a store, order products, complete payment, and present the resulting pickup code at the selected location. The stronger version identifies: The primary user The core workflow Payment or reservation behavior The result generated by the MINI App What the reviewer should be able to test Compare the description with the current UI. Names, buttons, navigation, and available features should match what you submit. 3. Verify the Review channel During verification, LINE evaluates the LIFF URL of the Review channel. Before requesting review, confirm that the Review and Published channels expose the same service: Same core features Same screen transitions Same product or reservation data Same authentication requirements Same payment behavior Same privacy and terms links Same error and completion states Do not leave the Review channel pointed at an old staging deployment. Create an environment record: Published endpoint: https://app.example.com/ Review endpoint: https://review.example.com/ Release version: 2026.08.03 Test data version: review-fixtures-v3 Avoid including secrets in normal logs, screenshots, source control, or public documentation. 4. Prepare complete test scenarios For services containing reservations, payments, or orders, LINE asks applicants to provide test scenarios in the review reference materials. A useful scenario should contain: scenario: Complete a store pickup order account: username: PROVIDED_IN_REVIEW_FORM password: TEMPORARY_REVIEW_CREDENTIAL preconditions: - Test store is available - Sample product is in stock steps: - Open the MINI App - Select the test store - Add the sample product - Complete the test payment flow - Open the order result expected_result: - Order confirmation is displayed - Pickup code is generated - Order appears in order history cleanup: - Cancel or reset the test order Prepare separate scenarios for: Registration and login Reservation creation Reservation cancellation Successful payment Failed or cancelled payment Order completion Empty or unavailable inventory Permission denial Service-message delivery, if applicable Account deletion or data-management flows The reviewer should not need to guess which product, store, date, or account can complete the flow. If Basic Authentication protects the Review channel, provide the temporary credentials in the designated review materials. Rotate or remove them after the review. 5. Check privacy and terms pages Review every public legal page from a logged-out browser. Confirm that: The URL is publicly reachable The company name matches the submitted provider The service name matches the MINI App Data collection and processing are described Contact information works The page is readable on mobile Redirects do not require an internal session Every configured localization points to an appropriate document The privacy-policy company is especially important because LINE explicitly compares it with the provider name. A Terms of use URL may be optional depending on the channel configuration, but if you configure one, treat it as review-controlled information. Changes to either the privacy-policy or terms URL after verification can require re-review. 6. Run a policy gate before the technical review A technically correct MINI App can still be rejected if the underlying business or content conflicts with the LINE MINI App Policy. Examples of restricted business categories include: Gambling Dating and matchmaking Lending Fundraising and crowdfunding Multi-level marketing Tobacco and e-cigarettes Weapons and poisons Clinical trials Certain religious, political, adult-entertainment, and investment-related services Also review the actual content for: Intellectual-property infringement Misleading claims Spam Aggressive user inducement Unsafe or age-inappropriate material Unreliable product comparisons or rankings Features that move the main service entirely outside the MINI App Treat policy eligibility as a product requirement, not a final copy-editing task. 7. Review API scopes Request only the scopes required by the submitted workflow. For each scope, document: Scope Feature using it Screen Required? Profile access Populate customer name Checkout Yes OpenID Identify returning customer Login Yes Additional scope Related feature Screen name Yes/No Remove experimental scopes that are not part of the submitted service. After verification, changing scopes is one of the configuration changes that can require another review. 8. Treat service messages as a separate approval gate Verification makes the channel eligible for production service messages, but it does not automatically approve every message template. Production service messages require both: A verified MINI App An approved service-message template Service messages must confirm or respond to an action performed by the user in the MINI App. Appropriate examples include: Reservation confirmation Payment result Order status Appointment reminder Completion of a submitted request Promotional content is not allowed, including: Discounts Shopping rewards New-product announcements Coupons General promotions Unrelated event announcements Audit template variables, permanent links, languages, and the triggering user action before submitting the template review. 9. Freeze re-review-sensitive settings After verification, changes to many LINE Developers Console settings require re-review. These include: Channel icon Channel name Channel description Privacy policy URL Terms of use URL Localization Linked LINE Official Account Published Endpoint URL Scopes Add-friend option Service company information Provider information Service-message template information The complete list is documented in LINE's re-review guide. Before the first submission, freeze: Channel identity Legal URLs Production endpoint Required scopes Official Account linkage Localization Service-message templates Review test data This does not mean the product can never change. It means review-controlled changes should be planned as release work with their own approval lead time. 10. Plan for the real review timeline LINE states that verification normally takes approximately one to two weeks. Applicants cannot specify the completion date. If the application is rejected, correcting the issue and requesting another review adds more time. A safer release plan is: Internal submission audit ↓ First review request ↓ 1–2 week review window ↓ Re-review buffer ↓ Production launch Once the review process begins, the submitted information cannot be edited. A review request can only be cancelled before LINE starts reviewing it. If a campaign or seasonal launch depends on a verified-only capability, do not schedule the public launch immediately after the earliest possible approval date. 11. Keep verification separate from inbound messaging LINE MINI App verification answers this question: Can this MINI App use verified-only platform capabilities? It does not answer: How will ordinary LINE customer conversations reach our support system? Receiving customer messages, normalizing webhook events, routing conversations, and sending supported replies are separate architecture decisions. Do not assume that MINI App verification automatically provides a general customer-message inbox. Likewise, connecting an inbound messaging API does not grant a Custom Path, verified badge, or production service-message capability. If the product uses both systems, connect them deliberately through stable customer, reservation, or order identifiers. Final pre-submission checklist [ ] Verification is required by a specific product feature [ ] Provider and service-provider names match [ ] Privacy-policy company matches the provider [ ] Localized identity information is consistent [ ] Channel description explains the real workflow [ ] Review and Published channels expose the same service [ ] Production endpoint has been frozen [ ] Privacy and terms pages are publicly accessible [ ] Every reservation, payment, and order flow has a test scenario [ ] Temporary review credentials work [ ] Test data can complete every submitted scenario [ ] Business category and content pass the policy audit [ ] API scopes match implemented features [ ] Service-message templates are reviewed separately [ ] Re-review-sensitive settings have owners [ ] Launch planning includes a re-review buffer [ ] Review credentials can be rotated after approval A successful verification submission is not just an application that launches. It is a review package in which the legal identity, configuration, product description, policies, and test environment all describe the same service. Official references Submitting a LINE MINI App Verified and unverified custom features LINE MINI App Policy Re-review after updating a verified MINI App Sending service messages Originally published on UnifyPort. This article was prepared with AI assistance for language and structure, then technically reviewed and verified by the author.