LINE Friend Acquisition Cost Halved! "Rakuten Member Linkage" Simultaneously Completed with "Rakuten-Specialized LINE Notification Message Function" Launched

Q: What are the key facts in this article?

Greenwich Inc. has launched a new "Rakuten-Specialized LINE Notification Message Function" for Rakuten Ichiba store operators. This service enables low-cost, simultaneous acquisition of LINE friends and linkage with Rakuten member IDs, solving existing challenges in CRM for Rakuten stores.

Q: What is the direct answer?

Greenwich Inc. has launched a new "Rakuten-Specialized LINE Notification Message Function" for Rakuten Ichiba store operators. This service enables low-cost, simultaneous acquisition of LINE friends and linkage with Rakuten member IDs, solving existing challenges in CRM for Rakuten stores.

Q: What is the source and date?

Source: https://prtimes.jp/main/html/rd/p/000000032.000170037.html | Date: Date unavailable

Greenwich Inc. (Headquarters: Shibuya-ku, Tokyo, Representative Director: Hiroyuki Tanaka, hereinafter "the Company") began offering a new "Rakuten-Specialized LINE Notification Message Function" on May 1, 2026 (Friday), for store operators on Rakuten Ichiba. This function enables the acquisition of LINE friends and "Rakuten Member ID linkage" simultaneously and at a low cost. To commemorate this release, we have also started accepting advance applications for a free offer of "Rakuraku LINE," a system that enables segmented distribution to acquired friends (normally 10,000 yen per month), to the first 30 stores. **What is LINE Notification Message?** LINE Notification Message is a service provided by LINE Yahoo Japan Corporation that allows companies to send messages to users who have not registered as LINE friends through their official LINE accounts. By matching the customer's phone number held by the company with the LINE user's phone number, purchase confirmations and shipping notifications can be delivered directly via LINE. While conventional LINE official accounts could not send messages unless users added them as friends, LINE Notification Message makes it possible to approach customers even before they become friends. The transmission fee is 8 yen per message. **Background of Development: Rakuten Stores' Concerns about "Email Newsletter Decline" and "LINE Friend Acquisition Costs"** To stabilize sales on Rakuten Ichiba, CRM measures to nurture new customers into repeat customers are indispensable. However, the open rates of traditional email newsletters (R-Mail) have significantly declined, leading many stores to shift towards utilizing "LINE Official Accounts (R-SNS)." On the other hand, Rakuten stores faced the following challenges in acquiring LINE friends: - **Soaring acquisition costs (CPA)** Reliance on incentives such as coupons resulted in costs of approximately 150-200 yen per acquisition, making it uneconomical. - **Fragmented customer data** Even

LINE Friend Acquisition Cost Halved! "Rakuten Member Linkage" Simultaneously Completed with "Rakuten-Specialized LINE Notification Message Function" Launched

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