CASE STUDIES

Case Studies

Selected commerce problems, systems built and measurable outcomes.

Start a Project →Explore Cartelyx Apps

Built for ambitious e-commerce brands.

Our case studies focus on real Shopify development, COD workflows, CRO, automation, tracking and growth systems. Results are published only when verified and authorized.

Strategy

We define the commercial problem, measurement model and technical architecture before execution.

Engineering

Fast, responsive Shopify experiences with clean integrations, automation and maintainable systems.

Growth

CRO, creative testing, acquisition and analytics connect the build to measurable business outcomes.

Build the next version of your commerce system.

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Selected Work · Live Commerce Systems

Built in the real world.
Not just in presentations.

CARTELYX combines storefront engineering, custom Shopify applications, COD operations, automation, creative production and growth infrastructure. These are two live commerce environments where that approach has been applied.

herbalvitaly.com
Live Herbal Vitaly Shopify website screenshot
NUTRACEUTICALS · EGYPT / INTERNATIONAL

Herbal Vitaly

A commerce ecosystem built around product education, multilingual selling, COD operations and international B2B expansion.

Shopify UX / CROArabic · English · FrenchCOD workflowsB2B distributionMeta trackingAutomation
Herbal Vitaly B2B partnership page screenshotHerbal Vitaly multilingual storefront screenshot

Live website previews are generated from the public storefront and may be cached briefly by the screenshot service.

Visit live store →
roohperfume.store
Live ROOH Perfume Shopify website screenshot
PERFUME · TUNISIA

ROOH Perfume

A conversion-focused Shopify experience for fragrance discovery, product storytelling, bundles, COD and mobile-first buying.

Homepage redesignProduct CROCOD orderingUpsells & bundlesMobile UXCollection architecture
ROOH Perfume product page screenshotROOH Perfume men collection screenshot

Live website previews are generated from the public storefront and may be cached briefly by the screenshot service.

Visit live store →

Applications & systems we engineer.

From custom single-store tools such as HV COD and ROOH COD to a reusable CARTELYX app ecosystem designed for multiple Shopify merchants.

HV COD / ROOH CODCustom COD order forms, Shopify order creation, customer synchronization and merchant-specific logic.
CARTELYX CODMulti-store COD engine: form builder, phone validation, zones, delivery fees, discounts, quantity offers and order workflows.
CARTELYX UpsellPre-purchase and COD upsells, bundles, cross-sells and quantity-based offers designed to raise AOV.
CARTELYX TrackOperational order lifecycle from Purchase to Confirmed, Shipped, Delivered or Returned.
CARTELYX ConnectShopify integrations with WhatsApp, Google Sheets, CRM, carriers, APIs and webhooks.
CARTELYX AnalyticsCOD-aware measurement focused on delivery rate, return rate, delivered ROAS and real commercial outcomes.
Engineering capability

The full commerce stack behind the storefront.

CARTELYX is structured to solve the full chain — storefront, ordering, operations, measurement, creative and acquisition — rather than treating each problem as a disconnected task.

Shopify EngineeringLiquid, theme architecture, responsive UI, mobile optimization, performance, multilingual and RTL.
Shopify APIsAdmin GraphQL API, order creation, customer sync, app authentication, webhooks and automation.
COD InfrastructureCustom forms, phone checks, governorate/city logic, dynamic shipping, anti-spam and order quality workflows.
Conversion SystemsUpsells, bundles, quantity offers, discount logic, product page CRO and checkout-friction reduction.
Delivery OperationsCarrier integrations, fulfillment status, delivered/returned tracking and operational dashboards.
Meta MeasurementPixel, Conversions API, event architecture, attribution and Purchase → Delivered funnel measurement.
AI CreativeAI video ads, UGC concepts, product visuals, hooks, scripts, voiceovers and creative iteration.
Growth & AnalyticsMeta Ads, creative testing, CRO loops, reporting and decisions tied to real delivery economics.
ShopifyLiquidGraphQLWebhooksVercelGitHubPostgreSQLMetaWhatsAppGoogle SheetsAI CreativeCarrier APIs
Need a commerce system built around your real operations?Start a Project →
Anonymized Internal Evidence · Real Project Sources

Proof of the systems behind the storefront.

Beyond public storefront design, CARTELYX work includes order creation, customer synchronization, COD forms, discounts, delivery operations and performance measurement. The panels below reproduce verified project evidence while removing all customer personal data.

🔒
Privacy protected. Names, phone numbers, emails and delivery addresses are not displayed. These panels are evidence visualizations reconstructed from real project files and production audits — not fabricated customer records.
Herbal Vitaly · commerce operations
HV COD + Shopify OperationsVERIFIED PROJECT DATA

COD storefront form

Name
Phone validation
Delivery address
Governorate
City / zone

Order creation & customer sync

PaymentCOD
CustomerLinked ✓
CarrierBosta sync
Purchase→Confirmed→Shipped→Delivered/Returned

Commercial data layer

DiscountsTracked
ShippingTracked
FulfillmentTracked

Herbal Vitaly

Custom COD workflows, Shopify order/customer logic, carrier reconciliation and delivered-vs-returned operational reporting.

ROOH Perfume · production engineering
ROOH COD + Conversion LayerPRODUCTION AUDIT

ROOH custom COD modal

Nom et prénom
Téléphone
Gouvernorat · Tunisia zones

Theme assets detected in production

assets/rooh-cod-only.js
assets/rooh-cod-only.css
assets/rooh-arabic-rtl.css

form .rooh-cod__form
modal #RoohCodModal

Conversion engineering

UpsellBuilt
BundlesBuilt
Mobile CROBuilt

ROOH Perfume

Custom COD ordering, mobile-first product conversion, discount/upsell logic and controlled theme releases.

OrderCreate architectureProgrammatic Shopify order creation for non-standard COD checkout workflows.
Customer synchronizationOrders associated with Shopify customers instead of anonymous “No customer” records.
Delivery intelligenceBosta and fulfillment data reconciled into Delivered / Returned operational outcomes.
Revenue measurementDiscount, shipping, order status and delivery data structured for real commercial analysis.

Evidence, not vanity screenshots.

✓ Herbal Vitaly: COD storefront configurations and real Shopify order exports confirm order summary, shipping, customer/order data, fulfillment status and Bosta synchronization. ✓ ROOH: a production performance audit detects the custom ROOH COD form and its dedicated JS/CSS/RTL assets. This section intentionally excludes private customer information.

Shopify Admin GraphQLCOD FormsCustomer SyncDiscount LogicBostaFulfillmentDelivered / ReturnedMobile CRO
CARTELYX COD · Product Interface

Inside the operating system for COD commerce.

A product interface prototype built from workflows already used across our custom COD implementations — storefront forms, Shopify order creation, operations, carrier status and performance measurement.

Interface prototype · module availability varies by deployment
Merchant workspace
Demo StoreShopify connected

Form Builder

Configure the storefront COD experience without rebuilding the product page.

Product prototype
Form fields
⋮⋮Full nameRequired · Text
⋮⋮Phone numberRequired · Validation
⋮⋮Governorate / StateRequired · Select
⋮⋮City / ZoneDynamic · Select
⋮⋮Delivery addressRequired · Text
⋮⋮QuantityOffer-aware
Phone validation
Shipping rules
Discount code
Upsell offers
Mobile preview
Complete your order
Full name
Phone number
Governorate
City / Zone
Delivery address
Subtotal—
ShippingDynamic
TotalCalculated
Place COD order

Orders

One operational view from new COD order to delivery outcome.

Demo data
OrderStatusItemsTotalCarrierUpdated
#CX-1052New2—Not assigned2 min
#CX-1051Confirmed1—Ready18 min
#CX-1050Shipped1—Carrier API3 h
#CX-1049Delivered3—Carrier API1 d
#CX-1048Returned1—Carrier API2 d

Analytics

Measure COD economics beyond the Shopify Purchase event.

Demo data
Orders—
Confirmation rate—%
Delivery rate—%
Return rate—%
Order → Delivered funnel
Commercial metrics
Delivered revenueRevenue tied to successful delivery
Calculated
Delivered CPAAd spend / delivered orders
Calculated
Delivered ROASDelivered revenue / ad spend
Calculated

Integrations

Connect the commerce and operations stack around Shopify.

Architecture
S
Shopify

Products, variants, customers, orders and webhooks.

Core integration
W
WhatsApp

Confirmation and operational messaging workflows.

Configurable
G
Google Sheets

Operational exports and reporting synchronization.

Deployment option
↯
Webhooks

Event-driven order and status synchronization.

Core architecture
API
CRM / API

Merchant-specific back-office and external systems.

Configurable
M
Meta

Server-side commerce lifecycle event architecture.

CAPI module

Meta CAPI

Send business outcomes back into the measurement layer — not only checkout creation.

Event architecture
COD lifecycle events
Purchase→Confirmed→Shipped→Delivered/Returned
PurchaseEvent-ready
ConfirmedCustom lifecycle
ShippedCarrier-triggered
DeliveredOutcome signal
ReturnedOutcome signal

Carriers

Map external delivery statuses into one normalized COD lifecycle.

Configurable
B
Bosta

Deployment example used in existing commerce operations.

Project-proven workflow
API
Carrier API

Configurable adapter for shipment create and status sync.

Adapter architecture
CSV
Manual / Import

Fallback reconciliation for operational teams.

Workflow option
Normalized status mapping
tracking_number → shipment reference
carrier_status → confirmed / shipped / delivered / returned
delivered_at → delivery timestamp
return_reason → standardized operational reason

Settings

Merchant-level configuration for a reusable multi-store COD platform.

Product architecture
Store configuration
CountryControls location and phone rules
Merchant setting
CurrencyPricing and shipping calculations
Store currency
COD orderingCustom order flow
Enabled
LanguagesLocalized storefront experience
EN · AR · FR
Security & API
Shopify OAuthMerchant installation authorization
Secure
Webhook signaturesRequest authenticity verification
Verified
Tenant isolationConfiguration separated by merchant
Architecture
SecretsServer-side credentials only
Protected
Product architecture
Shopify GraphQLOrders, customers, products and merchant operations.
WebhooksEvent-driven synchronization and lifecycle updates.
Multi-tenant CoreOne platform, merchant-specific configuration.
PostgreSQLStructured merchant and operational application data.
Meta CAPIServer-side outcome and conversion event pipeline.
Carrier APIsAdapters for shipment and delivery status systems.

This section presents the intended CARTELYX COD product architecture. Existing custom deployments validate core workflows such as COD forms, Shopify order/customer handling and delivery operations; individual SaaS modules remain deployment-dependent until standardized in the multi-merchant product.