Orders keyed into the warehouse and the accounts by hand
Each online order is copied into the warehouse system to be picked and into Xero to be invoiced. On a busy sale weekend the backlog runs into days.
Service
API Development & Integration Sydney
so the same data stops being typed twice.
API development Sydney businesses can rely on, and API integration Sydney teams can run across accounting, CRM, e-commerce and operations platforms. REST APIs, middleware and webhooks that keep the numbers matching without anyone rekeying them.
Fixed pricing agreed before we start, a clear scope, and an Australian team you can reach when something changes upstream.
- AU-team API development team
- 18+ yrs Building APIs & integrations
- 40+ Platforms integrated
- Fixed Price scopes, no surprises
Australian owned and operated
Built here. Your data stays here.
- No offshore development. Everything is written by our own team in Australia. Nothing is subcontracted overseas.
- Your data stays onshore. Hosted in Australia, on infrastructure you own, under Australian law.
- Every state, not just ours. Perth, Melbourne, Sydney, Brisbane, Adelaide and everywhere between.
API Developers Sydney
Stop copying data between the systems you run
For a Sydney business selling online, one order touches at least three systems: the store where it was placed, the warehouse that picks it, and Xero or MYOB where the sale is recorded. When those systems do not talk, someone copies each order across, and stock counts are always a little out.
We build the connections that let an order travel on its own. It reaches the pick list and the accounts as soon as it is placed, tracking goes back to the customer when it ships, and the stock count on the website matches the shelf.
You work directly with the developers, and the scope and fixed price are agreed before the build starts.
Sound Familiar?
Where data gets stuck in Sydney businesses
These are the conversations we have every week.
Stock levels that do not match the shelf
The website shows stock the warehouse sold yesterday, so customers order items you cannot send. Or it shows nothing left when there are boxes on the shelf.
Refunds and fees that never reconcile
Payment provider payouts arrive as one lump with fees and refunds netted off, and someone spends a morning matching them back to orders in Xero.
API Development Sydney
Show us where the data stops flowing
Tell us which systems your orders, stock and payments pass through, and where your team copies them by hand. We will come back with the simplest way to connect them and a fixed price.
What We Build
Connect Xero, Shopify, Salesforce and the rest
The work Sydney online sellers and distributors ask us for most, from order sync to payout reconciliation.
APIs for stores, apps and partners
When a marketplace, a wholesale customer or your own app needs product, price or stock data, we build a REST API for it in Laravel, Node.js, .NET or Python, so each partner reads from one controlled source.
Each partner gets its own access key and sees only what it should. The API is documented in OpenAPI format so their developers can connect without a string of emails.
Store, warehouse and accounts connected
Shopify, WooCommerce and BigCommerce connected to your warehouse or third-party logistics provider and to Xero or MYOB, so orders, dispatches and invoices flow without retyping.
Products are matched by SKU across every system before go-live, because one mismatched SKU is enough to stop an order in its tracks.
Order events handled as they happen
A new Shopify order is sent to the pick list and recorded in Xero within moments. A dispatch in the warehouse sends tracking back to the store and the customer.
Big sale days send bursts of orders at once, so events are queued and processed in order rather than dropped. Every one is logged.
Translating between systems that disagree
One system stores prices including GST and the next expects them excluding GST. One sends dates as text and the next needs a date field. Middleware sits between them and converts each field the same way every time.
Where a required value is missing, such as a cost centre Xero needs, the record is held and flagged for a person to complete rather than loaded wrong.
Payouts matched to orders
Stripe, Square and PayPal payouts are broken back into their orders, refunds and fees, and matched in Xero or MYOB, so the bank reconciliation clears without a morning of detective work.
Card details stay with the payment provider. Your systems only hold references to them.
Case Study
Connecting Shopify, Xero and a warehouse system, automating order fulfilment
A Sydney e-commerce business was manually processing orders from Shopify, creating invoices in Xero, and updating their warehouse system separately. We built API integrations that sync orders, inventory and invoices automatically across all three platforms.
Read the full case study 20hrs Saved per week
3 Systems connected
0 Manual order processing
Orders used to take three systems and two people to process. HELLO PEOPLE connected Shopify, Xero and our warehouse platform with APIs, now orders flow through automatically. We handle three times the volume with the same team.
Why Choose Us
Integrations you do not have to babysit
Developers you can call, experience with the systems online sellers run, and integrations that keep up on your busiest day.
Developers you can call directly
Our team is in Perth, two hours behind Sydney for most of the year and three during daylight saving. You deal with the developers building your integration, with no account manager relaying messages.
Before a big sale, you can tell us what volume to expect and we check the integration will keep up.
The online retail systems we already know
Shopify, WooCommerce, BigCommerce, Xero, MYOB and the payment providers online sellers use are platforms we have connected before, rate limits and odd behaviours included.
Shopify and Xero both limit how fast an app can call them. Integrations we build pace themselves, so a busy day slows the sync slightly instead of breaking it.
A single source for product and stock data
If your product data lives in three places, we can build one API that owns it and feeds the store, the marketplaces and the warehouse, with versioning so changes do not break existing feeds.
You approve the design before it is built and keep the documentation afterwards.
Failures you hear about before customers do
Every integration logs each order, retries what fails and alerts us if a failure repeats. An order stuck between systems is flagged straight away, not when the customer complains.
Your team can look up any order and see where it went and when.
Customer data handled carefully
Customer names, addresses and order history move encrypted, each connection gets only the access it needs, and changes are logged.
Data can stay in Australian cloud regions, or inside your own systems, when you need it to.
Meet the person
API Development & Integration in Sydney, one seamless process
Your API Development & Integration in Sydney, handled by the founder from start to end.
HELLO PEOPLE designs, builds and looks after AI, software, app and data solutions for Australian businesses, with senior expertise on every project and a scope agreed before work starts. For an integration, that means every record lands where it should and both systems agree.
Since 2007, HELLO PEOPLE has delivered more than 100 projects from Perth for small and medium businesses across Australia: custom software and apps, system integrations, data migrations, reporting and dashboards, and AI that works inside the systems a business already runs.
I lead every engagement myself. I trained in accounting before moving into IT, hold accounting and IT professional qualifications and an MBA, and bring more than 20 years of experience across sales, service delivery, inventory and compliance. I am also a PhD candidate in AI at Curtin University, researching retrieval-augmented generation (RAG), so the technology is always judged by what it does for the business.
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An old-fashioned service
Small and boutique. The person who scopes your integration is the person who builds it, and the same person watches the first live syncs.
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Quick responses
No ticket queue and no account manager in between. You hear back within one business day, usually sooner.
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A long-term partner
The integration is the start, not the end. When you need the next system, integration or report, you call the same person, who already knows your business.
How It Works
From mapping your data to a live connection
Five stages, starting with the flow that carries the most orders.
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Discovery & Requirements
We trace a real order from checkout to dispatch to payout, and note every place it is copied, checked or fixed by hand.
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Architecture & API Design
We agree which system owns products, stock, orders and invoices, and design the connections. You sign off the design before any build.
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Build & Integrate
We build the highest-volume flow first, usually orders into the warehouse and accounts, and demo it on real orders every fortnight.
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Test & Validate
We test refunds, part shipments, out-of-stock items and a burst of sale-day orders, then run a normal week through it before go-live.
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Deploy & Monitor
It goes live with logging and alerts on. Short outages retry on their own, and we hear about anything that keeps failing.
Why us
Why Sydney businesses trust us with their integrations
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Straight to the developers
You talk to the people building your integration, not a relay.
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Online retail experience
Store, warehouse and accounting connections are some of the most common work we do.
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Price agreed up front
A fixed price for an agreed scope, with no hourly billing.
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Connecting systems since 2007
More than 18 years of Australian integration work behind every build.
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Watching from day one
Logging, retries and alerts come standard.
FAQs
Questions teams ask about connecting systems
What API and integration work do you do for Sydney businesses?
Connections between online stores, warehouses and accounting systems, custom REST APIs, webhooks, middleware and payment reconciliation. We build in Laravel, Node.js, .NET and Python.
Can you connect Shopify to Xero and our warehouse?
Yes. Orders flow to the pick list and to Xero, dispatch sends tracking back to Shopify, and stock counts from the warehouse keep the store accurate. Products are matched by SKU first.
How do you price an integration?
After a free scoping call we give you a fixed price before any work begins. One link between two cloud systems is at the smaller end. A product data API feeding several channels is larger.
How long does it take?
A link between two systems takes 2 to 4 weeks. A custom API used by several channels takes 6 to 12 weeks. Joining several systems through middleware takes 8 to 16 weeks. You see it working every fortnight.
Will it cope with a big sale weekend?
Yes, if we know it is coming. Orders are queued and processed in turn, and we pace calls to Shopify and Xero so a spike slows the sync slightly rather than losing orders.
Can payment payouts be reconciled automatically?
Yes. Payouts from providers such as Stripe, Square and PayPal are split back into orders, refunds and fees and matched in Xero or MYOB.
What if our warehouse system has no API?
We can work from file drops, a database connection or scheduled exports. If the data exists, we can usually move it reliably.
What happens when an order fails to sync?
It retries automatically. If it keeps failing, it is flagged to us with the order number and the reason, and we fix it.
Sending your details…
You can stay on this page while we send it.
Tell us which systems should be talking
Tell us which systems need to talk to each other, what data needs to move, and where the current process fails. We will come back with a practical integration scope and next step.
Prefer a quick chat? Call 0425 531 127. We answer the phone in Perth.
