API Integration Services for Glasgow & UK Businesses
Glasgow Custom Software Development - Software Built Just for You
API Integration Services
We're Dataface. We build the integrations that get your business systems talking to each other (APIs = the bit of software that lets two systems pass data back and forth). If your team is rekeying orders into Sage, copy-pasting leads into HubSpot, or exporting CSVs every Friday so the warehouse knows what shipped, you don't need new software. You need the software you already pay for to actually work together. We're a Glasgow team. Most of our integration work goes live in four to eight weeks.
What We Integrate
We work with the platforms UK SMEs actually use. Not a curated list of trendy SaaS — the real stack you're already paying for.
Finance and accounting. Stripe, GoCardless, Sage 50, Sage 200, Xero, QuickBooks, FreeAgent. Push invoices from your CRM to Xero. Sync Stripe payments into Sage. Stop the month-end reconciliation marathon.
CRM and marketing. HubSpot, Salesforce, Pipedrive, Mailchimp, ActiveCampaign, Klaviyo. Website form fills land in HubSpot tagged correctly. Won deals create Mailchimp segments automatically. No more "did anyone follow up with that lead from Tuesday?"
Ecommerce and marketplaces. Shopify, WooCommerce, Magento, BigCommerce, eBay, Amazon Seller Central. Orders flow into your accounts, stock levels sync across channels, fulfilment talks to your courier. Sell the same item once, not three times.
When Integration Is the Right Call
You don't need integration for everything. You need it when the manual work is costing you more than the build. Signs it's time:
- Someone on your team rekeys the same data into two systems more than once a week.
- You've got a "master spreadsheet" that's actually a copy of three other systems, and nobody's sure which one is current.
- Friday reports take three hours because the data lives in four places.
- You're losing orders, leads, or invoices because something didn't get copied across in time.
- A typo in one system causes a finance problem two weeks later.
If two or more of these sound like your week, integration pays back fast. If only one applies and it's a five-minute job, leave it. We'll tell you when not to bother — that's part of the discovery call.
Comms and productivity. Microsoft 365, Google Workspace, Slack, Microsoft Teams. New high-value lead in HubSpot? Slack ping to the sales channel. Invoice paid in Stripe? Confirmation in Teams. Calendar bookings synced to your CRM.
Custom and legacy. Bespoke ERPs, ancient Access databases, SQL Server, that Excel file Steve maintains, on-premise systems that pre-date the cloud. If it has any way to read or write data, we can connect it. We've done this for 50+ UK and USA businesses.
If your platform isn't on the list, ask. We've yet to find one we can't connect to.
Common Questions
Q: What does it cost? A: Typical range £4,000-£25,000 depending on how many systems, how dirty the data is, and whether the platforms have proper APIs. A single Stripe-to-Xero connector might be £4,000. A full CRM, ecommerce and accounts sync is usually £15,000-£25,000. Fixed price after discovery — no hourly billing surprises.
Q: How long does it take? A: Most integrations go live in four to eight weeks. Simple two-system connectors can be done in two to three weeks. Complex multi-system jobs with messy legacy data take eight to twelve. You'll see working integration every two weeks, not a six-month black box.
Q: What if my system doesn't have an API? A: We've still got options. Scheduled CSV imports, database-level connections, screen scraping where nothing else works, or middleware that wraps the old system in a modern API. We'll tell you honestly in discovery if it's not worth it.
Q: Can you integrate with legacy software? A: Yes. Access databases, old Sage installations, SQL Server, on-premise ERPs, software the original vendor no longer supports. We've connected systems from the early 2000s to modern cloud platforms. It's harder, but it's doable.
Q: What happens if Stripe or HubSpot changes their API? A: We build with versioning in mind and monitor for deprecation notices from the major platforms. If a vendor announces a breaking change, we update before it breaks. We offer support retainers from £200/month for ongoing peace of mind, or you can pay per fix.
Q: Do you do the testing? A: Yes. We test in a staging environment with real data copies before anything touches your live systems. You'll see it running end-to-end before we switch over. We also build in logging and alerts so you know immediately if something goes wrong post-launch.
Q: Who maintains it after launch? A: Your choice. Most clients take a small monthly retainer for monitoring and platform updates. Some prefer pay-per-fix. Either way, we don't disappear after go-live — we built it, we know how it works, and we stick around.
Q: Will it slow down our existing systems? A: No. Integrations run asynchronously where possible, with rate limiting to respect each platform's limits. Your CRM keeps feeling like your CRM. The integration runs in the background.
For deeper context, our API integration guide covers the basics in plain English. If your real problem is wider than connecting two systems — for example a custom CRM, a dashboard, or a new app — start with Apps & CRMs or Microservices, or see the full Bespoke Software overview.
Key Features
Fixed Price, Fixed Timeline
You get a fixed price and a fixed timeline after discovery. No hourly billing, no scope creep, no "we hit a snag and need another month".
Working Integration Every 2 Weeks
You see real working integration at the end of every fortnight. Not slides, not mockups. Actual data flowing between your actual systems.
Tested Before You Trust It
Full staging environment with copies of your real data. We run a complete business cycle before cutover. Nothing touches production until you sign off.
Legacy Systems Welcome
Old Sage installations, Access databases, on-premise ERPs, that Excel file Steve maintains. If it has data, we can connect it.
We Stick Around
Logging, monitoring and alerts built in from day one. Monthly retainers from £200 or pay-per-fix. We built it, we know it, we maintain it.
Glasgow-Based, UK & USA Clients
50+ businesses served across the UK and USA. £45,000 average annual savings. 99.5% client satisfaction. ISO 27001 and GDPR compliant.
How It Works
Week 1: Discovery. We sit down (in Glasgow, on Teams, your call) and map what you've got: which systems, what data needs to move, in which direction, how often. We look at the actual APIs, not the marketing pages. By the end of the week you've got a fixed-price quote, a timeline, and a written plan. If it doesn't make commercial sense, we'll tell you.
Week 2: Data mapping. We document every field. Customer name in Shopify maps to "ContactName" in Sage. Order ID becomes invoice reference. We catch the edge cases now (what happens with refunds, partial shipments, duplicate emails) instead of finding them in production six weeks later.
Weeks 3-5: Build. We develop in two-week sprints. You see working integration at the end of every fortnight. Real data, real systems, real flow — not slides. You give feedback, we adjust. No "we'll show you in month four" black boxes. This is how the homepage promises it and this is how we deliver it.
Week 6: Staging test. Everything runs end-to-end in a staging environment with a copy of your live data. We run it for a full business cycle — a week of real-shaped transactions — and watch for anything weird. You test it too. Nothing goes near production until you sign off.
Week 7: Cutover. We switch in a quiet window (usually a Friday evening), monitor closely for the first 48 hours, and stay on hand for the first full week. Logging and alerts are built in from day one, so you'll know about any hiccup before your customers do.
Week 8 onwards: Live and supported. Your team uses the integration. We monitor, fix anything that surfaces in the first month at no extra cost, and hand over documentation. After that, you choose: monthly retainer for ongoing care, or pay-per-fix.
"We were spending hours every week moving order data between Shopify and our accounting system. Dataface connected everything up, tested it properly, and now it just runs. Reports that took half a day take five minutes."