API Development & Integration

Mostly REST with OpenAPI/Swagger documentation. It’s the standard, well-supported by every language and tool, and easy for partners to consume. We build GraphQL when there’s a clear reason: heavy-data frontends with lots of variant queries, or where Apollo/Relay tooling matters. We pick per project, not based on hype.

Yes, 100%. The Git repository, the OpenAPI spec, the integration tests, the deployment scripts. All yours. Bring in any other developer to extend it later, or fork it for new use cases.

Most of the mainstream business stack: Stripe, Xero, QuickBooks, HubSpot, Salesforce, Pipedrive, Slack, Microsoft 365, Google Workspace, Mailchimp, Klaviyo, Twilio, Calendly, Shopify, WooCommerce, Zendesk, Intercom, AWS, Twilio, plus dozens of niche ones. If it has an API, we’ve probably wired it up before.

1-4 weeks for typical projects (£499-£3,000). Simple two-system webhook integrations ship in 5-10 days. Complex multi-system data pipelines run 3-6 weeks. We give you a fixed quote and timeline with the architecture proposal.

Every API/integration ships with error monitoring (Sentry or equivalent), uptime monitoring (Uptime Kuma or BetterStack), and webhook delivery retries with exponential backoff. We get alerted before you do when something breaks. After the 30 days of support, ongoing monitoring and fixes are quoted in writing before any work starts.

Yes, properly. OAuth2 / JWT / signed webhooks where appropriate, rate limiting, input validation, encrypted secrets management, audit logging on sensitive operations. We follow OWASP best practices and pen-test the public-facing APIs before launch.

Yes, a common request. We audit your existing flows, rebuild them as code (with tests, monitoring, version control), then run them in parallel until you’re confident. The aim is to cut recurring third-party subscription costs and give you reliability and auditability you can actually see.

Luxbranding, a UK company. You deal directly with the people building your integrations, by email, with weekly written progress updates and a staging link to try each new build.

Your order covers the starting price shown on this page. We then agree the scope with you and confirm a fixed quote in writing before any build work begins. If your scope costs more, you see the difference in writing and pay it before any build work begins. If you decide not to go ahead at that point, we may offer your order as credit to use on our other services, because work has not started. Have a question before ordering? Use the contact form and we reply within one working day.