FHIRfly Blog
Insights on healthcare APIs, FHIR interoperability, and building better clinical data integrations.
Agentic Prior Auth: Grounding the 72-Hour Clock
CMS-0057-F puts payers on a 72-hour clock for expedited prior auth. LLM agents can close the gap — but only if they're grounded against NCCI, MUE, coverage, and terminology data they can trust.
What Rural Hospitals Actually Need for Interoperability
The $50B is flowing and September's deadline looms. Rural hospitals don't need another framework — they need tools that work today.
Azure API for FHIR Retires in September — Your Options
Microsoft is shutting down Azure API for FHIR on September 30, 2026. Here's what breaks, what the migration looks like, and what your realistic options are.
Introducing @fhirfly-io/fhir-builder v1.0.0
Build valid FHIR R4 resources in TypeScript with a fluent API. Zero dependencies, 13 resource builders, build-time validation, and bundle reference resolution.
Build a FHIR Enrichment Service with AI and an Afternoon
How a solo developer can use AI coding assistants to discover the FHIRfly SDK and build production-quality FHIR data enrichment in a single session.
AI Agents for Drug Interaction Screening: An API-First Approach
How AI agents can use FDA-approved drug interaction text and RxNorm enrichment to screen medication lists — with working code and architecture patterns.
$50B for Rural Health IT: What Developers Need to Know
CMS is distributing $50 billion to modernize rural healthcare — and interoperability is a scored funding priority. Here's what the program means for health IT.
FHIRfly Now Supports UK Health Terminology
FHIRfly adds dm+d and OPCS-4 APIs — bringing NHS medicines and procedure classifications to the same platform as NDC, RxNorm, and ICD-10.
The 98% Problem: What Healthcare AI Teams Actually Build Before Writing a Single Prompt
The API call is 2% of the work. The other 98% — LOINC normalization, FHIR conversion, compliance — is where healthcare AI teams actually spend their time.
Why Payer Interoperability Deadlines Keep Slipping — and What Developers Should Do About It
CMS pushed the prior authorization API deadline to 2027 — and a new WEDI survey shows zero providers have reported implementation progress. Here's what developers building against these APIs should plan for.
A Developer's Starting Point for FHIR
David Hay's latest guide distills FHIR into its essential concepts. Here's what it means for developers building healthcare apps today.
NPI Lookup in 5 Minutes: Search 9 Million Providers From Your App
Every healthcare app needs provider data. Here's how to search, look up, and filter the NPI registry from TypeScript — with code you can ship today.
Showing 12 of 24 posts