Shopify Integration Services That Make Your Entire Business Work as One
Manual syncing, disconnected tools, and broken data flows quietly cost you revenue every day. We build API-native Shopify integrations: ERP, CRM, 3PL, payments, analytics, and custom systems. They run automatically, eliminate errors, and scale with you. 100+ live integrations built.
100+ Shopify Stores Connected. Here's Who Trusts Us.
From DTC startups to global enterprise brands. Every integration we build runs exclusively on Shopify. No WordPress. No Magento.
6 Integration Gaps We Find on Almost Every Store We Audit
If your tools don't talk to Shopify, your business is leaking money at every step. These are the problems we find on almost every store we audit.
Manual Order Syncing Creates Errors on Every Update
Every time an order is manually moved between Shopify and your ERP or warehouse, there is a human error waiting to happen. Mis-picks, wrong addresses, and duplicate entries multiply with volume.
What this costs you: Manual syncing costs 3–5 hours of ops time per 100 orders and creates errors that trigger refunds, chargebacks, and lost customers.
Inventory Blind Spots Cause Oversells and Stockouts
Without real-time sync between Shopify and your warehouse or 3PL, you are selling stock you do not have. The customer buys. You cannot fulfil. The return and refund process costs more than the original order.
What this costs you: Each oversell costs the order revenue plus returns handling, customer service time, and the customer you have lost for good.
Disconnected 3PLs Delay Every Shipment
If your 3PL or carrier cannot see Shopify orders automatically, someone is manually exporting CSVs and uploading them. That introduces lag, missed cut-off times, and fulfilment errors that customers blame on your brand.
What this costs you: Every day of fulfilment delay increases WISMO tickets, returns, and negative reviews. Customers do not care whose system is at fault.
Your CRM Does Not Know What Your Store Knows
If your CRM and ESP are not receiving clean Shopify order and event data, every customer segment is based on stale or incomplete information. Campaigns underperform because the data they run on is wrong.
What this costs you: Poorly segmented email and retention campaigns lose an average of 20–30% of recoverable revenue to brands with proper data flows.
Revenue Leaks at Checkout From Poor Payment Integration
Unsupported payment methods, misconfigured tax tools, and broken BNPL providers each silently decline transactions. Most stores only discover the scope of this when they audit declined payment logs.
What this costs you: At 1% checkout failure rate on £2M GMV, that is £20K in permanently lost sales annually. Most of it is invisible without a proper audit.
Manual Processes That Worked at £1M Break at £5M
The spreadsheets, manual exports, and copy-paste workflows that kept you running at lower volume do not scale. At higher order volumes they consume more staff time, introduce more errors, and become the ceiling on your growth.
What this costs you: Hiring operations staff to patch broken integrations is not a growth strategy. Each manual process you automate directly reduces headcount cost.
Integration Services
Every Shopify Integration Your Business Needs, Built Right
From off-the-shelf platform connectors to fully custom middleware. We build every Shopify integration your business needs to run automatically. No duct-tape. No brittle app connectors.
Connect Shopify to NetSuite, SAP, Microsoft Dynamics 365, Odoo, or Oracle. Bi-directional sync of orders, products, inventory levels, customers, and financial data. Real-time or scheduled batch. Custom field mapping to match your ERP's data model exactly. We have built Shopify ERP integrations for brands processing hundreds of thousands of orders monthly.
Salesforce, HubSpot, Zoho, and Pipedrive connected to Shopify so customer and order data flows automatically. Segment by lifetime value, purchase history, and product preferences without manual exports. Marketing and sales teams work from live data, not yesterday's CSV.
Klaviyo, Mailchimp, ActiveCampaign, and Omnisend receiving clean Shopify event data in real time. Every abandoned cart, post-purchase, and win-back flow triggers correctly. Server-side event tracking for post-iOS 14 accuracy. We audit and rebuild broken tracking as part of every marketing automation integration.
ShipStation, ShipBob, Easyship, Shipwire, and custom 3PL APIs connected directly to Shopify. Orders pushed to your fulfilment partner automatically. Tracking numbers pulled back and surfaced to customers. Inventory updated in real time across every warehouse location. No manual export files.
Stripe, Adyen, PayPal, Klarna, Clearpay, and Authorize.Net integrated cleanly with Shopify's checkout. Custom payment flows, BNPL providers, B2B net-terms, and multi-currency checkout built on Shopify Plus checkout extensibility. We test every edge case before go-live.
Amazon, eBay, Walmart, TikTok Shop, and Google Shopping connected to Shopify as your central inventory and order management hub. Single source of truth regardless of where the sale happens. Listing sync, order routing, and inventory allocation handled automatically.
Google Analytics 4, Triple Whale, Northbeam, Elevar, and Power BI integrated with clean, validated data layers. Server-side tracking, custom event schemas, and revenue attribution models built for post-iOS 14 reality. The integrations most agencies skip, and the ones that make your media buying measurable.
Custom internal tools, legacy systems, custom databases, GraphQL APIs, and webhook architecture. If it has an API, we can connect it. If it does not, we build one. Every custom integration is fully documented and handed over to you. No proprietary systems, no lock-in.
50+ Platforms We Connect to Shopify
The most common systems Shopify and Shopify Plus brands run alongside their store. We have built live integrations with every platform listed here.
From Discovery to a Live Shopify Integration in 6 Weeks
Five phases. One defined scope. Most Shopify integrations are live within six weeks of kickoff.
01.
Discovery & Audit
We map every system in your stack, document current data flows, and identify every gap and failure point. You receive a written Integration Spec and System Map before development begins.
02.
Architecture Design
We design the integration blueprint: API endpoints, data models, sync frequency, error handling logic, and middleware architecture. Nothing is built until the design is approved.
03.
Build & Configure
Development, webhook setup, field mapping, authentication, and middleware configuration. You receive weekly progress updates. Working integrations go into staging for your review before QA.
04.
Testing & QA
End-to-end testing across all edge cases, volume stress tests, and error state validation. We do not go live until every test scenario has passed and you have signed off on staging.
05.
Deploy & Monitor
Go-live with real-time monitoring. We stay with you for 60 days post-launch. Any incident, we are on it within hours. You receive a monitoring dashboard and 60-day support window as standard.
Built on Shopify's API vs. Held Together With App Connectors
Most stores try to connect systems with app connectors, Zapier automations, or developers who have never worked with Shopify's API. Here is what that costs.
✓ API-Native Integration
API-native builds on Shopify's Admin API, Storefront API, and webhooks. No brittle app connectors.
Structured 6-week process with a defined scope and fixed price before development starts.
Shopify-certified team with 100+ live integrations in production.
Timeline confirmed on Day 1. Go-live date agreed before a single line of code is written.
You own 100% of the code, documentation, and credentials. Zero lock-in.
60 days of post-launch monitoring and incident response included in every project.
✕ App Connectors & Generic Devs
App connectors break on every Shopify platform update, and someone has to manually fix them.
Zapier automations hit step limits, fail silently, and charge per task at volume.
Generic developers who have never worked with Shopify's API surface or data model.
No defined scope. Timeline is 'it depends'. Invoice grows with every question.
No documentation. The next developer starts from zero. Integration breaks, no one knows why.
Support ends at go-live. If something breaks at 2am during a campaign, you are on your own.
“Their immense knowledge of Shopify Plus and exceptional communication skills, accompanied by a can-do attitude, made Ecomm Wizards a fantastic partner.”
Nari Sitaraman
Chief Technology Officer
Apps we used:
A Shopify Plus rebuild that delivered +152% conversion rate for Everlast
“We needed a store that could handle serious athletes, casual fitness buyers, and trade accounts in one place. Ecomm Wizards built exactly that. The conversion numbers and trade portal revenue both exceeded what we projected.”
Daniel Summerson
Managing Director, Everlast Gyms
Apps we used:
A Shopify Plus redesign that delivered +89% online revenue for Dryrobe
“The new store finally communicates who we are. The Size Finder fixed the returns problem we had been struggling with for years. Revenue growth followed from getting those fundamentals right.”
Gideon Bright
Head of Ecommerce, Dryrobe
Why Brands Choose Ecomm Wizards for Shopify Integration Services
We have built 100+ live Shopify integrations. Here is what separates a properly architected integration from an app connector that breaks the next time Shopify ships an update:
You Own Every Line of Code
Full documentation and code transfer on project completion. Every integration we build lives in your infrastructure, your accounts, and your repositories. No proprietary systems. No recurring licence fees to us. If you stop working with us, the integration keeps running.
6-Week Delivery, Confirmed on Day 1
We scope before we build. Your go-live date is agreed before development starts, not estimated after scoping. Most integrations are in production within six weeks. We tell you the date on Day 1 and we hold to it.
Shopify-Only Expertise
Every integration we build is for Shopify. We know Shopify's Admin API, Storefront API, webhooks, and Shopify Functions in depth. We do not treat Shopify like any other ecommerce platform. It is not.
API-Native Architecture
We build on Shopify's APIs and webhooks, not app connectors or Zapier automations. API-native integrations are more reliable, more performant, and do not break when Shopify ships updates to the platform.
60 Days Post-Launch Support
Go-live is not the finish line. We monitor every integration for 60 days post-launch and respond to any incident within hours. Included in every project. You are not on your own the morning after go-live.
Transparent, Fixed-Price Quotes
You know the full cost before development starts. We scope, document, and fix-price every integration. No hourly billing that spirals with every question. No surprise invoices at the end of the project.
Every integration we build is documented, tested, and handed over to you completely. We know Shopify's API surface, data model, and webhook architecture. We catch edge cases before go-live, not after.
Most integrations are completed within six weeks from the start of development. The timeline depends on complexity: a straightforward ERP or CRM integration with a well-documented API typically takes three to four weeks. Custom middleware or legacy system connections with undocumented APIs can take six to eight weeks. We agree the exact delivery date before development starts, not after scoping. You will know the go-live date on Day 1.
Integration cost depends on complexity. A standard integration using a well-documented third-party API (connecting Shopify to Klaviyo, ShipStation, or QuickBooks, for example) typically starts from £3,000 to £6,000. Mid-complexity integrations involving ERP systems or custom field mapping typically run £7,000 to £15,000. Complex custom middleware, legacy systems, or multi-system builds start from £15,000. Every project is scoped and fixed-price before development begins. No hourly rates, no scope creep billing.
You do. Every line of code, every configuration, and every credential lives in your accounts. We transfer full documentation and source code at project completion. There is no proprietary system on our end, no recurring licence fee, and no lock-in. If you stop working with us, the integration keeps running exactly as we built it.
Every project includes a 60-day post-launch support window. Any incident during those 60 days is handled by us at no additional cost. After the 60-day window, we offer ongoing support retainers or can diagnose and fix issues on a project basis. We also monitor for API deprecation notices and Shopify platform changes that could affect live integrations.
Yes. If a system has a private API, we work with your vendor to get access. If it has no API at all, we can build a custom data layer using file-based transfer, database connections, or a custom middleware layer, depending on what the system supports. We have connected Shopify to legacy ERP systems with no modern API documentation. It requires more discovery time but it is solvable in most cases.
Yes. We build on Shopify Plus features including Shopify Flow for automation, Shopify Functions for custom logic at the checkout level, and Shopify Markets for multi-currency and multi-region implementations. If you are on Shopify Plus and need B2B checkout, custom payment terms, or checkout extensibility as part of an integration, we handle all of it.
A Shopify app is a pre-built product installed from the App Store. It connects to a limited set of Shopify data and works within fixed parameters. A custom integration is built directly on Shopify's APIs and webhooks. It can access any data Shopify exposes, handle custom logic, sync to any external system, and operate exactly the way your business requires. Apps are faster to install. Custom integrations are more reliable, more flexible, and do not break when Shopify or the app vendor ships an update.
Yes. We regularly audit and rebuild integrations inherited from previous developers or agencies. We start with a full technical audit of the existing integration: architecture, error handling, data mapping, and any known failure points. We document what exists before making any changes. If the integration is salvageable, we improve and stabilise it. If it needs a rebuild, we scope that separately.
Shopify deprecates API versions on a quarterly basis. We track the Shopify API changelog as part of every live integration we have built. For integrations we maintain, we test and update to the current API version before the deprecated version is sunset. We document which API version each integration uses and flag updates proactively. You are never surprised by an API deprecation breaking a live integration.
The first step is a free Integration Audit. We map your current tech stack, document existing data flows, identify gaps and failure points, and present a prioritised integration plan with scope and cost for each item. The audit delivers a written report you keep regardless of whether we work together. Most clients move directly from the audit into a scoped integration project. Getting from audit to go-live typically takes six to eight weeks.
We've scaled 700+ stores. Let's see what's holding yours back.