API Development & System Integration

Why it matters

Most organisations run on a mix of systems: CRM, ERP, accounting, e-commerce, marketing tools and industry-specific software. When these systems do not talk to each other, people fill the gaps — copying data, reconciling spreadsheets and chasing updates. Well-designed APIs and integrations let information flow automatically, reducing errors and freeing your team for higher-value work.

What we deliver

• REST and GraphQL APIs for your applications, mobile apps and partners.
• System integrations between CRMs, ERPs, payment providers, marketing and SaaS tools.
• Webhooks and event-driven workflows that react to changes in real time.
• Data synchronisation with conflict handling and audit trails.
• API security: authentication, authorisation, rate limiting and secret management.
• Documentation and developer portals so others can integrate confidently.
• Monitoring and alerting for every integration.

How we work

We map the systems involved, the data that needs to move and the business events that should trigger it. Third-party APIs are assessed early because their quality, limits and test environments carry the most uncertainty. We then design integrations to be resilient: queued processing, retries, idempotency so repeated messages do not create duplicates, and clear error handling with alerts.

APIs we build are versioned, documented and covered by automated tests, so changes do not break the applications and partners that depend on them.

Who it is for

This service suits organisations with disconnected systems, businesses preparing to automate processes, product teams that need a backend for web and mobile apps, and companies opening their platform to partners. Integration is often the foundation for business process automation and AI agents, which act through the same APIs.

What success looks like

When integrations work well, people stop noticing them. Orders appear in the ERP without re-keying, customer updates flow into the CRM automatically, finance no longer reconciles exports by hand and partners integrate with your platform using clear documentation. Behind the scenes, every integration is monitored, failures are retried or flagged with useful context, and changes to connected systems are caught in testing rather than discovered by users. That reliability is what turns integration from a recurring headache into a durable business asset.

Get your systems working together

Read our guide to automation priorities, or describe your systems and we will propose an integration approach.