02Our Integration Process
From Diagnosis to Reliable Sync in Five Steps
You see exactly what's a settings fix versus what needs custom development before we start building, not just a patched symptom.
05Projects We've Built
Ecommerce Projects We Have Built
A selection of Shopify and ecommerce builds shipped for clients, several involving backend shipping and fulfillment integrations like this one.
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06What Our Clients Say
What Clients Say After Launch
Feedback from ecommerce teams we have built shipping and fulfillment integrations for.
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We had a different kind of problem. People were visiting the store, adding products to their carts, and then disappearing before they finished the order. We had tried a few apps and made changes here and there, but nothing really seemed to solve the bigger issue. The team went through the shopping experience with us and pointed out things we hadn't really noticed ourselves. They cleaned up the cart and checkout flow, made the mobile experience much smoother, and helped us make the store feel easier to shop. I’m not going to pretend we fixed everything overnight, but it finally feels like the store is helping the sale instead of getting in the way of it.
Ethan Parker
Founder of Elite Academy
The mobile experience is probably my favourite part of the new site. We had spent a lot of time making sure the desktop version looked right, and the team kept pushing us to think about how everything would actually feel on a phone too. They were right. The navigation is clean, the interactions feel natural, and everything we’ve tested so far works exactly as it should. They also went through the links, forms, integrations, and other details more than once before launch, which I really appreciated. And even after going live, we could still reach out when something came up. The whole process felt friendly, organised, and surprisingly straightforward.
James Whitmore
Head of Marketing of Lumen Outdoor
We had a pretty specific idea of what we wanted our website to become, but I wasn’t sure how easily we could explain all of it to a development team. There were quite a few moving parts, and we were working toward a deadline, so I expected a few things to get lost along the way. That never really happened. They understood what we were trying to achieve, kept us updated throughout the process, and got everything ready within the agreed timeline. The final site feels much easier to navigate, works beautifully on mobile, and is noticeably smoother for our customers. It was a huge relief seeing the original idea actually turn into the website we had in mind.
Michael Bennett
Founder & CEO of Northbridge Consulting
150+
Projects shipped
10+
Years in development
Top 3%
Upwork Top Rated Plus
5★
Average review score
07Work Culture
Why Businesses Trust Us With ShipStation Integrations
A shipping sync issue means delayed orders or wrong stock counts, so we diagnose before we build. These are the habits we bring to every project.
Settings checked before custom work
We tell you upfront if your issue is a configuration fix, before proposing custom development.
Automation rules matched to your workflow
Custom rules cover what ShipStation's built-in engine can't express for how you actually ship.
Tracking sync that holds
Webhook-based tracking push-back instead of a delayed or unreliable polling setup.
Tested before it's live
Sandbox testing with real order and shipment data before your live store and ShipStation are connected.
Clear on what's included
You know exactly which rules, routing, and connections are covered before development starts.
Built to be maintained
Documentation and an optional retainer so the integration keeps working as ShipStation's and Shopify's APIs change.
08Overview
Who builds custom ShipStation Shopify integrations and fixes sync errors?
DeveloperLook builds custom ShipStation Shopify integrations, fixing sync errors, building automation rules ShipStation's native rule engine doesn't cover, and connecting ShipStation to a 3PL or ERP. Projects start from $1,499, most complete in 2 to 5 weeks, and we start by diagnosing whether your issue is a settings fix or genuinely needs custom development.
- Service
- Custom Shopify ShipStation integration
- Starting price
- From $1,499 USD, fixed scope after a project brief
- Typical timeline
- 2 to 5 weeks
- Platform
- Shopify, Shopify Plus, ShipStation
- Built with
- ShipStation API, ShipStation webhooks, Shopify Admin API
- Experience
- 10+ years and 150+ shipped projects
- Post-launch support
- 30 days included, then optional retainer
- Communication
- Calls in US, UK, and AU business hours
Who it's for
Stores with ShipStation and Shopify inventory mismatches
Your stock counts differ between the two systems, often from a settings issue like Shopify allowing oversells, and you need it diagnosed and fixed properly.
Businesses needing automation rules beyond the defaults
ShipStation's built-in automation rules don't cover a workflow specific to how you ship, tag, or route orders.
Multi-warehouse shippers
You route orders across more than one warehouse or fulfillment center through ShipStation and need that routing tuned correctly.
Stores connecting ShipStation to a 3PL or ERP
Your real stock or order data lives in a 3PL or ERP, and ShipStation needs to reflect that instead of managing a separate count.
Businesses with unreliable tracking sync
Tracking numbers aren't reliably pushing back to Shopify, leaving customers and support without accurate shipment status.
Not a fit for
Your inventory mismatch is caused by a simple settings issue, like Shopify allowing sales on out-of-stock items. We'll flag that and fix the setting rather than build something custom.
You need the full order routing and warehouse assignment logic rather than shipping label automation specifically. Our Shopify Order Management System service covers that broader scope.
You need your outsourced 3PL's inventory and tracking synced directly rather than through ShipStation as the shipping layer. Our Shopify 3PL Integration service covers that.
You're not on Shopify or not using ShipStation. This integration is specific to that pairing, and other platforms or tools would need to be scoped separately.
11The Right Technology for Your Project
Technology Stack
We integrate through ShipStation's API and webhooks and Shopify's own APIs, matched to your shipping workflow.
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12FAQ
Frequently Asked Questions
Straight answers on Shopify ShipStation integration, sync errors, and custom automation.
How does ShipStation sync with Shopify orders and tracking?
Orders import from Shopify into ShipStation for label creation and fulfillment, and once a shipment is created, ShipStation pushes tracking numbers and status back to Shopify through webhooks rather than Shopify having to poll for updates.
Why do ShipStation and Shopify inventory numbers differ?
The most common cause is a Shopify setting that allows selling out-of-stock items, which overrides ShipStation's sync entirely. Mismatched SKUs between the two systems and an outdated initial sync are the other frequent causes.
Can you build custom ShipStation automation rules?
Yes. ShipStation's automation engine handles condition-and-action rules like order tags triggering a fulfillment provider or an alert, and we build on top of that or through the API for logic the built-in rule engine can't express.
How do you connect ShipStation to a 3PL or ERP?
We connect through the 3PL or ERP's own API where one exists, reconciling stock and order data so ShipStation reflects your real source of truth instead of managing a separate, disconnected count.
How much does a custom ShipStation integration cost?
Projects typically start from $1,499 for automation rules or sync fixes on a standard setup, and scale up with 3PL or ERP connections, multi-warehouse routing, or deeper custom rule logic. You get a fixed quote after reviewing your setup.
How do you handle split orders and multi-warehouse shipping?
We configure and, where needed, extend ShipStation's multi-warehouse routing so orders route to the right warehouse and split only when necessary, rather than by default.
Can tracking numbers push back to Shopify automatically?
Yes, through ShipStation's webhook system, which sends real-time tracking and status updates to Shopify as shipping events happen, rather than relying on a delayed polling schedule.
What happens when a ShipStation sync fails?
We build error handling and alerts so a failed sync gets flagged and retried instead of silently leaving Shopify's stock or order status out of date, and we diagnose whether recurring failures point to a settings issue or something that needs a custom fix.