Anonymized case studies from a Shopify Plus developer — real merchant problems (B2B, Subscriptions, Functions, shipping, loyalty, agent readiness) broken into four-piece sketches with runnable code.
A wholesale brand on Plus needed to build a bridge between Subscriptions and B2B Companies. The pattern: map each buyer company to a subscription plan, store location-level pricing rules in metadata, …
Migrating a large customer base from a legacy system into Shopify requires a four-step approach: validate and map the source data to Shopify's schema, batch-import customers with tags and metafields, …
A Delivery Customization Function reads the customer's zip code at checkout and consults a blocklist of known service gaps. When a zip matches the blocklist, Saturday disappears from the available del…
Build an admin extension that adds bulk order selection, custom packing slip templates, and single-file PDF export to Shopify's native admin. Tag unfulfilled or partially fulfilled orders in the Order…
Build a system that locks carrier cutoff times (e.g., 2pm CT for UPS Ground same-day) into the storefront. The merchant runs a backend service that calculates ship and arrival dates in real time, pass…
Build a chat widget that lives on the storefront and retrieves order history and product details from Shopify in real time. When a customer asks "where's my order," the bot pulls that data, generates …
Build a backend service that runs on schedule, pulls sales, forecast, shipping fallback events, support metrics, and tax status from connected systems, and pipes that data into a templated email. Send…
Build a monitoring agent that watches four critical system layers: compute health (Heroku dyno response times and error rates), external integrations (carrier uptime checks), data freshness (catalog s…
A custom app generates unique referral codes for each customer and stores them in metafields. When a referred friend lands via a referral URL and places a first order, Shopify Flow detects it, tags th…
Build a loyalty system that records points to customer accounts on order completion, then expose balances and redemption in a dedicated portal. The merchant can set the earning multiplier (points per …
Migrating from WooCommerce to Shopify Plus requires four overlapping systems: a bulk product and inventory importer that stores original WooCommerce IDs as reference metadata; a URL redirect router th…
Split a single store into region-specific frontends by syncing customers bidirectionally, bridging inventory from one central source to both store locations, routing customers to the correct region at…
Disable Shop Pay Installments for two customer segments: those tagged as B2B and those placing orders over $5,000. Show a disclosure message at checkout explaining why the option is unavailable. Autom…
Start by marking subscription products in the admin with a custom metafield flag. Build a Shopify Function that reads this flag and rejects any cart containing both subscription and one-time items whe…
Build a Cart Transform Function that reads bulk-pricing tiers stored on each product metafield and applies the appropriate discount to each line. Display the tier thresholds and savings amounts in the…
Detect when a carrier returns no rates for an addressable zip at checkout. Query a secondary carrier instantly for fallback rates. Send an alert to operations when both primary and backup fail. Track …
Implement a delivery function that captures cart and address data at checkout, then invoke both ShipEngine and Shopify's native rates in parallel. Return whichever set of rates responds within 800ms. …
Hide wholesale collections behind a verified B2B customer tag. Check the tag at collection render time and return a 404 to anyone without it. Remove wholesale links from navigation and search results …
Build a B2B wholesale system where each buyer company is tagged with a tier and product-specific pricing stored as metafields. Route wholesale customers to a private portal that displays contract pric…
Build a credit-approval flag stored on each B2B customer account. Use a Checkout UI extension to hide the payment step for approved customers. Display net 30 terms and "no payment required" messaging …