Use SPEX to view raw JSON results for FHIR queries against production and test servers. It’s a simple, static, open source web app. Your health data stays on your device, not mine. I hope you find it useful!
App: https://fhirspex.z5.web.core.windows.net/ Code: https://github.com/seanno/spex
Read more at https://shutdownhook.com/2026/04/17/spex-for-quick-fhir-patient-queries/