Resources
FHIR Guides and Technical Resources
Clear, vendor-neutral explanations of the HL7 FHIR standard and practical guidance for planning, building and buying FHIR integrations.
Fundamentals
- 5 min read
What Is FHIR? How the HL7 FHIR Standard Works
FHIR is the HL7 standard for exchanging healthcare data through web APIs. This guide explains resources, the REST API, profiles, extensions and versions in plain terms.
- 4 min read
HL7 vs FHIR: What's the Difference?
"HL7 or FHIR?" is a confusing question because FHIR is an HL7 standard. This guide separates the organization from its family of standards and explains where each fits.
- 5 min read
FHIR Resources Explained: Structure, Categories and Key Resources
A practical tour of FHIR resources: what every resource contains, how they are grouped, the ones you will meet in almost every integration, and how references, maturity levels and profiles fit together.
- 5 min read
How FHIR Enables Healthcare Interoperability
FHIR is a powerful interoperability tool, but only one layer of it. This guide maps FHIR to the four levels of interoperability, the terminologies it depends on, and the policy frameworks driving adoption.
Architecture
- 4 min read
FHIR vs HL7 v2: A Technical Comparison for Integration Teams
A side-by-side technical look at HL7 v2 messaging and FHIR: data structure, transport, eventing, mapping an ADT^A01 to FHIR, and how the two coexist in real architectures.
- 5 min read
FHIR R4 vs R4B vs R5: What Changed and Which Version to Use
R5 brings topic-based subscriptions, CodeableReference and a batch of new resources, yet most production systems still run R4. Here is what changed and how to decide.
- 5 min read
FHIR Server Architecture: Storage, Search, Scale and Build Options
What sits inside a production FHIR server, the design choices that determine its performance and cost, and how to weigh open-source, managed cloud and commercial platform options.
Implementation
- 4 min read
FHIR API Integration: How It Works End to End
A practical walk-through of integrating with a FHIR REST API, from reading the CapabilityStatement to authentication, searching, paging, error handling, rate limits and testing.
- 4 min read
FHIR Implementation: A Phased Playbook
A step-by-step plan for implementing FHIR, from discovery and implementation guide selection through mapping, terminology, testing, go-live and ongoing operations, plus the challenges that derail projects.
- 5 min read
SMART on FHIR Explained: App Launch, Scopes and Backend Services
SMART App Launch is how third-party apps plug into EHRs securely. This guide walks through both launch flows, discovery, scopes, PKCE, backend services and how CDS Hooks fits in.
Security
Buying Guide
EHR integration guides
Find the Right FHIR Integration Partner for Your Healthcare Project
Tell us what you need to build or connect. We review every request and share a short list of relevant vendors from our directory — no obligation.