E‑Commerce Integrations (Payments, CRM, Fulfilment)

Connect your e‑commerce platform to the systems that run your business - payments, shipping, tax, CRM, fulfilment, and operational tooling - using a controlled, testable integration approach.

E‑commerce success depends on operational flow, not only storefront design. A store that cannot reliably process payments, route orders, reconcile fulfilment, and keep customer records accurate will struggle to scale. Platforms such as Shopify provide extensive integration capabilities through apps and developer APIs, but integration work must be engineered carefully to avoid inconsistent data, hidden failure modes, and operational confusion.

LW IT Solutions designs and implements e‑commerce integrations with a reliability-first approach. We map end-to-end journeys (browse, pay, fulfil, support), define integration contracts between systems, implement secure connectivity, and validate real-world scenarios including exceptions and failure paths. The deliverable is an integration setup that is observable, supportable, and aligned to your chosen platforms and providers.

Talk through your requirements and leave with a clear next-step plan.

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Service Overview

Highlights

Clear definition of sources of truth for orders, customers, and inventory
Support for app-based and custom API integrations
Exception handling for refunds, cancellations, and failed transactions
Monitoring and alerting designed for support teams, not developers only
Documentation that supports ongoing operation and change control

Business Benefits

Reduce manual processing by automating payment, order, and fulfilment flows
Improve data accuracy by enforcing clear sources of truth across systems
Increase reliability through explicit error handling, retries, and monitoring
Speed up order fulfilment and customer response with integrated workflows
Maintain operational control with documented ownership and support processes

Typical use cases

Connecting an online store to a payment provider and accounting system
Integrating e-commerce orders with third-party fulfilment or logistics partners
Synchronising customer and order data with a CRM or support platform
Stabilising unreliable integrations causing missed orders or reconciliation issues
Preparing an e-commerce platform to scale order volume and operational complexity

Objectives & deliverables

What Success Looks Like

Reduce manual effort by automating order, customer, and fulfilment workflows
Improve data quality by standardising how customer, order, and inventory data moves between systems
Increase operational reliability with clear error handling, monitoring, and support ownership
Enable scale by connecting to fulfilment providers and back-office systems cleanly
Maintain a secure, governed integration posture with controlled changes to integration components

What You Get

Integration design pack: system map, data flows, ownership rules, and exception handling
Configured connectors and integrations for the agreed scope (apps and/or API integrations)
End-to-end test evidence for critical scenarios and failure paths
Operational pack: monitoring approach, alerting, and runbooks for support teams
Documentation: dependencies, configuration notes, and change governance guidance
Prioritised backlog: optimisation and extension opportunities

How It Works

Discovery - confirm systems, constraints, and operational goals.
Design - map data flows, define source of truth, and agree exception handling and ownership.
Implement - configure apps/connectors and build API integrations as required; secure access and secrets.
Test - validate end-to-end scenarios including refunds, cancellations, partial fulfilment, and failure paths.
Operationalise - implement monitoring and runbooks; define escalation and support ownership.
Iterate - expand integrations and improve automation based on operational feedback and priorities.

Engagement Options

Payments Integration - payment gateway setup, validation, and reconciliation flows
Fulfilment Integration - order routing, shipping updates, and inventory synchronisation
CRM Integration - customer and order data synchronisation with sales and support systems
Integration Review - assess and stabilise existing integrations with fixes and improvements

Common Bundles

Customers who use this service often bundle with these services

Shopify Store Builds & Scaling (incl. Plus)
Shopify store builds and scaling covering theme development, catalog structure, integrations, performance optimisation, and conversion improvements including Shopify Plus.

API & System Integrations
Design and implement API integrations connecting business systems with secure authentication, retries, logging, and supportable middleware patterns operations.

n8n Workflow Automation
Design and build n8n workflows with secure self-hosting, secrets management, governance, and production-ready automation across integrated systems platforms.

Azure Functions (Serverless) Delivery
Build secure, scalable serverless solutions with Azure Functions for event-driven automation, APIs, integration workloads, and operational-ready deployments production.