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Written by Technical Team Last updated 16.10.2026 17 minute read

Rhapsody Trust Integration Engine FIFO Explained: How Message Ordering Works Across Routes

Understand how FIFO works in Rhapsody Integration Engine, including route ordering, de-batching, single-threaded processing, Dynamic Routers and Error Queue behaviour.

Written by Technical Team Last updated 16.10.2026 17 minute read

Rhapsody Performance Monitoring: How to Identify Expensive Routes and Filters

Identify expensive routes and filters in Rhapsody using performance statistics, queue depth, thread states and message latency to diagnose bottlenecks.

Written by Technical Team Last updated 09.10.2026 16 minute read

Working With an NHS Organisation That Uses EMIS Explorer: A Guide for Healthtech Companies

A practical guide for digital health companies working with NHS organisations using EMIS Explorer, covering data access, M2M integration, pipelines, security and operations.

Written by Technical Team Last updated 09.10.2026 15 minute read

Designing Digital Architecture Around Models of Care, Not Organisational Boundaries

Design digital architecture around models of care, not organisational boundaries, to support integrated workflows, shared data and better NHS interoperability.

Written by Technical Team Last updated 02.10.2026 14 minute read

Why Rainbow Teams Are Becoming the Default Model for Large Scale Technology Programme Delivery

Explore how rainbow teams bring together specialists from multiple organisations to deliver complex digital programmes with stronger capability, governance and technical depth.

Written by Technical Team Last updated 02.10.2026 12 minute read

How to Build High-Trust Delivery Teams for Complex Technology Programmes

How to build high-trust delivery teams for complex technology programmes, with practical guidance on ownership, technical decision-making, observability, specialist expertise and multi-team delivery.

Written by Technical Team Last updated 25.09.2026 20 minute read

NHS Organisation Data Service (ODS) FHIR API Integration: A Developer’s Guide

Learn how to integrate the NHS Organisation Data Service (ODS) FHIR API, including R4 resources, organisation search, roles, pagination, sync and error handling.

Written by Technical Team Last updated 25.09.2026 19 minute read

FHIR Search at Scale: Indexing, Pagination and Performance Engineering

Learn how to optimise FHIR search at scale with effective indexing, pagination, query planning and performance engineering for large healthcare datasets.

Written by Technical Team Last updated 18.09.2026 17 minute read

What Happens During an IM1 Witness Test?

Learn what happens during an IM1 witness test, including API demonstrations, patient matching, clinical write-back, error handling, audit logs, RBAC and assurance.

Written by Technical Team Last updated 18.09.2026 16 minute read

NHS Software Engineering Quality: A Practical Guide for Digital Health Teams

Practical guidance for NHS digital teams on software engineering quality, testing, security, interoperability, reliability and continuous improvement.

Written by Technical Team Last updated 11.09.2026 18 minute read

NHS UK Core FHIR Profiles: A Developer’s Guide to Building Conformant Healthcare APIs

Learn how to build NHS UK Core FHIR APIs with correct profiles, terminology, identifiers, extensions, validation and conformance testing.

Written by Technical Team Last updated 11.09.2026 19 minute read

How to Build a Medicus Integration for Your Digital Health Product

Learn how to build a secure Medicus API integration for your digital health product, covering authentication, patient records, workflows, webhooks and NHS assurance.

Written by Technical Team Last updated 03.09.2026 22 minute read

FHIR R4 vs FHIR R5: What Healthcare Software Teams Need to Know Before Migrating

FHIR R4 vs FHIR R5 explained for healthcare software teams, including key technical changes, migration risks, interoperability challenges and practical engineering considerations.

Written by Technical Team Last updated 03.09.2026 22 minute read

Building Event-Driven Patient Demographics with PDS Notifications, NEMS and MESH

Learn how to build event-driven patient demographics using PDS Notifications, NEMS and MESH, with resilient NHS integration, idempotency and reconciliation.

Written by Technical Team Last updated 20.08.2026 24 minute read

Healthcare APIs Aren’t the Hard Part: Workflow, Semantics and Change Are

Healthcare APIs enable connectivity, but true interoperability depends on workflow, semantics and change. Explore what makes healthcare integration work.