PortfolioPOS & Omnichannel Integration
Unifying online and offline customer data for seamless customer experience
Choosing Not to Store Customer Data Internally
Design philosophy of storing customer data in Shopify from security and operational cost perspectives
Why Not Store Customer Data Internally
Design decisions from the perspective of security risks and legal liability
Authentication Approach in Headless Architecture
Achieving both customer experience and security with passwordless authentication
Managing Extended Information with Metafields
How to manage furigana, birthdate, and other information needed for Japanese EC sites using Shopify metafields
Customer Sync Flow from Headless Site to POS
Architecture for automatic customer data synchronization between online store and POS system
Automatic Sync Architecture at Registration
Specific mechanism for automatically integrating data to multiple systems at member registration
Preventing Duplicate Customer Records
How to prevent duplicates and correctly link when existing store members register online
Design for Enabling/Disabling Sync
Flexible architecture for controlling sync ON/OFF via environment variables
How POS Point Retrieval Works from Login
Architecture for real-time retrieval and display of POS point balance in online store
Complete Point Retrieval Flow
Detailed explanation of the process from opening my page to displaying points
Using Shopify ID as POS Member Number
ID design approach for linking online and offline customers
API Authentication and Security
Security design and authentication methods for point balance retrieval API
Workaround for Missing Point Functionality in Shopify
Mechanism to convert POS points to Shopify coupons for online use
Points to Coupon Conversion Architecture
Technical deep-dive into the mechanism from point consumption to coupon issuance
Coupon Design and Constraints
Coupon specifications and constraint design to prevent fraudulent use
Coupon Management and Cancellation
How to manage issued coupons and the cancellation and point refund mechanism
How to Match Online and Offline Customers
Mechanism to identify and integrate customers registered separately in Shopify and POS as the same person
Matching Key Selection
Key selection and comparison for matching customers between two systems
Address Data Normalization
How to unify different address formats between Shopify and POS to maintain data quality
Sync Error Recovery
How to handle cases where sync fails due to network issues or API rate limits
Other Categories
Headless EC with Shopify
Shopify Storefront API, Next.js ISR, member pricing - fast and flexible headless EC site design
HubSpot CRM/CMS Setup & External Integration
From HubSpot implementation to custom API integrations beyond standard connectors and external tool integrations
Accounting & Invoice Automation
Auto-generate invoices from spreadsheets with idempotency control and retry mechanisms
Order Management Integration
Bidirectional sync with order management systems and secure OAuth-based API integration
AI-Powered Site Development & Deployment
Non-engineer-friendly workflow for publishing and managing sites using Claude Code × GitHub × Vercel
Other Solutions & Ideas
Business improvement and problem-solving ideas and project examples that don't fit specific categories