Xero integration specialists

Xero API integration and platform bridging

Where Xero sits at the centre of a wider stack, the risk is always invoices, payments and nominal codes drifting out of sync. We build the bridge that keeps them aligned.

Fixed-scope engagements, delivered by UK-based integration engineers. Documentation and source code handed over on completion.

  • Accounting API
  • Tracking categories
  • Bank reconciliation feed

What we can connect Xero to

Xero holds your invoices, contacts and payments. Every other system in the business holds a partial copy of the same data. Our role is to make one the source of truth and keep the rest aligned — through the Xero API, webhooks where they exist, and a bridging layer where the destination platform has no usable interface of its own.

Ecommerce platforms

Bring orders, refunds, gift cards and payment-provider fees from your storefronts into Xero as correctly coded invoices and credit notes.

Shopify, WooCommerce, Magento, BigCommerce

ERP and stock systems

Keep the ledger and the operational system agreed on customers, suppliers, products and nominal codes, with one owning system per field.

NetSuite, Dynamics, Unleashed, Cin7, Katana

Marketplaces

Post Amazon and eBay settlements into Xero with fees, refunds and marketplace-facilitated tax handled correctly.

Amazon SP-API, eBay, OnBuy

Payment and banking

Reconcile Stripe, PayPal, GoCardless and bank feeds against Xero so the cash position is current without manual matching.

Stripe, PayPal, GoCardless, Open Banking

CRM and billing

Sync contacts, deals-won and subscription events so invoices are raised in Xero from the same record the sales team closed.

HubSpot, Salesforce, Chargebee, Recurly

Bespoke and legacy systems

A job-costing database, a booking system, an in-house portal — wrapped in a documented interface and mapped to your chart of accounts.

SQL Server, MySQL, SFTP, SOAP services

Common Xero integration use cases

Each is a defined, testable data flow rather than an open-ended development project.

01

Sales invoice automation

Paid orders from every channel become invoices in Xero with tax codes, nominal codes and the right customer, including part-refunds.

Outcome: month-end reconciliation stops being a manual job.

02

Purchase and supplier sync

Purchase orders and supplier bills raised in the operational system flow into Xero with matching references and approval state.

Outcome: AP works from one queue, not two.

03

Payout and fee reconciliation

Stripe, PayPal and marketplace settlements are posted to Xero with fees separated, so the bank reconciles cleanly.

Outcome: cash position accurate daily.

04

Product and price alignment

Item codes, tax rates and cost prices are maintained once and kept identical between Xero and the systems that quote or sell.

Outcome: no more mismatched SKUs at invoice time.

05

Multi-entity and multi-currency

Transactions are routed to the correct Xero company with FX applied on a consistent rule, and intercompany entries kept in step.

Outcome: group reporting without spreadsheet rework.

06

Credit control feed

Overdue balances and credit limits from Xero are surfaced in the CRM or storefront so sales and checkout respect them.

Outcome: fewer orders shipped to accounts on stop.

How a Xero API integration is delivered

Four stages, fixed scope agreed before any code is written. Typical delivery for a single-system integration is two to four weeks.

Stage one

Discovery and data mapping

We document the systems involved, the direction of each flow, and every field that must move — including the awkward ones such as tax, discounts and multi-currency.

Output: written integration specification.

Stage two

Fixed scope and estimate

The specification becomes a fixed-price proposal with a delivery schedule and defined acceptance criteria. No time-and-materials open ends.

Output: costed scope for sign-off.

Stage three

Build and testing

Development against a Xero development or sandbox environment and a sandbox of the destination system, with your own data used for acceptance testing.

Output: tested integration and test evidence.

Stage four

Go-live and handover

Controlled cutover with monitoring in place, followed by handover of code, credentials and documentation, and a period of hypercare support.

Output: live integration, owned by you.

Have a Xero data flow in mind? We will tell you what it takes before you commit.

Request a scope

Xero API bridging when there is no direct connector

Off-the-shelf connectors assume both platforms are modern, documented and willing to talk to each other. In practice one side is usually a warehouse system from 2009, a bespoke database or an ERP whose vendor charges per field. Bridging is the work of putting a controlled layer between the two.

Concretely: a queue so bursts don't overwhelm either side, retries failed calls against Xero's Accounting API limits, and a full transaction log so VAT treatment on every line is never in question. Xero can change its API version without anything downstream noticing.

Where a platform genuinely has no interface, we work with what exists — scheduled SFTP file exchange, direct database connectors, or a documented REST wrapper we build and host on your behalf.

Included in every bridge we build

  • Error handling with alerting when a transfer fails
  • Automatic retries that respect the platform API rate limits
  • A transaction log for tracing any individual record
  • Idempotency so a repeated webhook cannot duplicate a record
  • Field-level mapping documentation you can hand to any developer
  • A staging environment that mirrors production

Xero integration FAQs

A single-direction integration between Xero and one business system is typically delivered in two to four weeks, including discovery, field-level mapping, build against a sandbox, acceptance testing with your own data and supported go-live. Multi-system programmes are phased.

Other platforms we integrate

Each platform has its own integration guide covering authentication, available endpoints and typical data flows.

Discuss your integration

Call 01303 883111 or email hello@api-integrations.co.uk. We will tell you honestly whether an integration is the right answer to the problem you have described.