Grow your business on LINE with KUZEN
Personalize communication and sell more with LINE messaging API platform that automates marketing, sales, service and support.


Trusted by
600
+ companies,
supporting growth across diverse industries
\
700
+ brands trust Kuzen /



ABOUT US
What is Kuzen
Performance-Driven Support from
Line Yahoo-Certified Professionals
Our LINE Yahoo-Certified team delivers end-to-end expertise, ensuring your LINE management framework is designed for maximum efficiency and superior results. We commit to solving your toughest business challenges with hands-on, expert guidance.
Kuzen Inc. is certified as “Premier” in the Communication category of the “LINE Yahoo Partner Program” as a Technology Partner.
First-Party Data + Generative AI
for LTV Optimization
Leverage Data + AI to acquire and unify comprehensive user data across LINE surveys, web tags, CRM, and external sources. Our LINE-optimized AI delivers true 1:1 customer journeys and dynamic content, driving conversion rates unmatched by standard platforms.






VALUE
Powerful Features of Kuzen for Marketers
Gathering the Full Customer Picture with
Diverse Customer Data Acquisition
We collect insightful user information based on survey responses and other data. This acquired data is used for segment delivery, enabling a more effective marketing approach.


Connecting Your Entire Marketing Ecosystem using
Effortless Data Sync with CRM and MA
We flexibly integrate with external tools, including CRM and MA platforms. Our broad compatibility, from general-purpose to industry-specific tools, allows for advanced efficiency and refined existing customer outreach.

Delivering the Right Message at the Right Time
Segmented Campaigns Powered by First-Party Data
Deliver the Right Message to
the Right Audience
We maximize conversions (LTV maximization) and simultaneously reduce costs by designing segments based on LINE Friend attributes (age, gender, membership status), web/LINE/offline behavior, and interests/preferences.
LINE友だちの年齢や性別だけでなく、会員情報などの属性、WEBサイトやLINE・オフラインでの行動履歴、興味関心や趣味嗜好に応じたセグメント設計により、コンバージョンの最大化(LTVの最大化)・コスト削減を両立します。


Dedicated Support Provided by LINE Operation Professionals
Deliver outstanding results and ROI
Achieve peak performance and ROI
—no extra resources or expertise required
Our Customer Success team, skilled in diverse LINE use cases, provides hands-on support alongside our high-performance tools.
We offer full support for successful LINE operation, from marketing strategy planning and creative production to performance review and operation management.


OPTION
Optional Features
Kuzen provide a variety of features to meet advanced marketer needs
マーケターの
We provide a variety of features to
meet advanced marketer needs
We have advanced LINE extension features, including LINE Login (in-app registration and login) and
Human Operator Transfer (with staff to handle chat). We can also customize features to meet your specific LINE marketing needs.


COMPARISON
Why Choose Kuzen



FAQ
Frequently Asked Questions
Our consultants have specialized knowledge across multiple industries and provide hands-on support to help you achieve measurable results. We offer flexible scenario design that leverages LINE’s full capabilities, including real-time data integration via API and targeted segment delivery. This approach positions Kuzen as a comprehensive marketing platform, rather than just a messaging tool.












