FinchNode Developer Guides https://finchnode.com/blog FHIR implementation guides, interoperability field notes, and patient-authorized EHR architecture. en-us Tue, 25 Aug 2026 17:00:00 GMT What we learned building patient-authorized FHIR connections across EHRs. https://finchnode.com/blog/fhir-connections-across-ehrs-field-notes https://finchnode.com/blog/fhir-connections-across-ehrs-field-notes Tue, 25 Aug 2026 12:00:00 GMT Firsthand FinchNode engineering notes on endpoint discovery, SMART authorization, scopes, patient context, and source-specific FHIR behavior. SMART on FHIR OAuth with PKCE in React and Node.js. https://finchnode.com/blog/smart-on-fhir-oauth-pkce-react-node https://finchnode.com/blog/smart-on-fhir-oauth-pkce-react-node Tue, 25 Aug 2026 12:00:00 GMT Implement a SMART on FHIR standalone authorization-code flow with PKCE, state validation, discovery, and server-side token exchange. Fetch patient data with a FHIR API: Patient, labs, conditions, and medications. https://finchnode.com/blog/fhir-api-tutorial-patient-data https://finchnode.com/blog/fhir-api-tutorial-patient-data Tue, 25 Aug 2026 12:00:00 GMT Fetch Patient, Observation, Condition, and MedicationRequest resources safely with FHIR R4 searches and server-provided pagination. Epic and MyChart FHIR integration for patient-facing applications. https://finchnode.com/blog/epic-my-chart-fhir-integration-guide https://finchnode.com/blog/epic-my-chart-fhir-integration-guide Tue, 25 Aug 2026 12:00:00 GMT Understand Epic patient-facing standalone OAuth, organization endpoints, PKCE, testing boundaries, and FHIR data access. Oracle Health FHIR integration: discovery, authorization, and tenant routing. https://finchnode.com/blog/oracle-health-fhir-integration-guide https://finchnode.com/blog/oracle-health-fhir-integration-guide Tue, 25 Aug 2026 12:00:00 GMT Build Oracle Health SMART integrations with tenant routing, discovery, patient context, scopes, and honest production validation. How to normalize FHIR data across EHRs without losing the source. https://finchnode.com/blog/normalize-fhir-data-across-ehrs https://finchnode.com/blog/normalize-fhir-data-across-ehrs Tue, 25 Aug 2026 12:00:00 GMT Design a source-aware normalization layer for FHIR resources without erasing provenance, codes, missing data, or lifecycle state. FHIR Patient $everything: pagination, missing data, and production caveats. https://finchnode.com/blog/fhir-patient-everything-guide https://finchnode.com/blog/fhir-patient-everything-guide Tue, 25 Aug 2026 12:00:00 GMT Use the FHIR Patient $everything operation safely with date filters, type filters, Bundle pagination, size limits, and fallback searches. FHIR API error handling: retries, rate limits, and partial results. https://finchnode.com/blog/fhir-api-errors-retries-rate-limits https://finchnode.com/blog/fhir-api-errors-retries-rate-limits Tue, 25 Aug 2026 12:00:00 GMT Handle FHIR OperationOutcome errors, timeouts, rate limits, retries, partial sync, and idempotency without hiding data loss. Patient authorization versus application consent in healthcare APIs. https://finchnode.com/blog/patient-authorization-vs-app-consent https://finchnode.com/blog/patient-authorization-vs-app-consent Tue, 25 Aug 2026 12:00:00 GMT Separate EHR authorization from application-specific sharing consent, category limits, revocation, expiry, and deletion. Build a longitudinal patient record with TypeScript. https://finchnode.com/blog/longitudinal-patient-record-typescript https://finchnode.com/blog/longitudinal-patient-record-typescript Tue, 25 Aug 2026 12:00:00 GMT Aggregate source-aware FHIR records into a chronological patient timeline with stable identity, provenance, deduplication, and change cursors. FHIR vs HL7 v2 vs C-CDA: a developer’s guide. https://finchnode.com/blog/fhir-vs-hl7-v2-vs-ccda https://finchnode.com/blog/fhir-vs-hl7-v2-vs-ccda Tue, 25 Aug 2026 12:00:00 GMT Compare FHIR APIs, HL7 v2 event messages, and C-CDA clinical documents by transport, granularity, workflow, and implementation fit. The 7 best FHIR interoperability platforms for health apps in 2026. https://finchnode.com/blog/best-fhir-interoperability-platforms https://finchnode.com/blog/best-fhir-interoperability-platforms Tue, 08 Sep 2026 12:00:00 GMT Compare seven FHIR interoperability platforms by use case, data access model, workflow, and developer fit—including FinchNode, Redox, and Zus. How one API connects your app to multiple EHRs. https://finchnode.com/blog/one-api-connect-to-multiple-ehrs https://finchnode.com/blog/one-api-connect-to-multiple-ehrs Tue, 08 Sep 2026 12:00:00 GMT Learn how one API connects multiple EHR systems and how FinchNode’s free production plan provides real, patient-authorized records alongside a synthetic demo. The easier way to get patient data from EHRs. https://finchnode.com/blog/easier-access-to-patient-data https://finchnode.com/blog/easier-access-to-patient-data Mon, 24 Aug 2026 12:00:00 GMT Compare direct FHIR integrations, patient-authorized APIs, and clinical data networks to find the easiest compliant path to patient EHR data.