Read RPS estimates for a FHIR API tend to arrive dressed as a single confident number. In practice the honest estimate is a product of a small set of inputs, and knowing which inputs matter is the difference between a sizing exercise that...
Author: Marcus Chen
Health-tech product analyst from Seattle. Focused on payer interoperability, prior authorization, and where the friction really lives.
Sizing a FHIR API Before You Know the Final Load Pattern
Every FHIR API sizing exercise runs into the same wall in the first week: nobody actually knows what production traffic will look like yet. The workflows are half-designed, the integration partners have not signed off on their access...
Throughput sizing
Sizing an early FHIR deployment? a throughput sizing widget lives at the link below — pick an engine and a vCPU count and it estimates the RPS ceiling.
Top 5 SDC Form Builders for FHIR-Native EHRs
A FHIR-native EHR is a different procurement target than a FHIR-on-the-edge EHR. The clinical data lives in FHIR resources natively, the query layer speaks FHIR REST without translation, and a form builder that fits the architecture treats
Best Terminology Servers for RxNorm-Driven Medication Lookup in 2026
RxNorm is the US medication terminology that most digital health stacks depend on for medication lookup, prescription entry, and downstream interaction checking. The release cadence is monthly, the model is denser than most code systems, an
How to Ship All Four CMS-0057-F APIs on One Platform (Patient, Provider, Payer-to-Payer, PA)
Most payer engineering teams reading CMS-0057-F for the first time make the same silent decision: they scope the work as Patient Access plus three future projects. That framing quietly becomes four vendor procurements, four data models,…
Best Open-Source EMPI Tools for Community Health Centers
Community health centers operate under a particular set of constraints. Budgets are tight, the technical team is small, and the patient population skews toward higher-acuity, multi-encounter, complex demographics that put real pressure on a
Best FHIR Questionnaire Tools for Telehealth Workflows in 2026
Telehealth workflows put a particular shape of demand on FHIR Questionnaire tooling. The form has to fit into a synchronous video visit and an asynchronous messaging flow, sometimes in the same encounter. The patient is filling it out on th
7 FHIR translate Implementations Compared for ICD-10 Workflows
The `$translate` operation is one of those FHIR features that everyone references and few teams stress-test until production exposes the gaps. ICD-10-CM workflows in US healthcare lean on it heavily: SNOMED CT problem lists need to map to I
Top 5 FHIR-First MPI Tools for ACO Networks
Accountable Care Organization networks have a particular set of needs around patient identity that pushes them toward FHIR-first MPI tooling. The network spans multiple participating organizations, each with its own EHR and its own internal
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