generated: '2026-07-19' method: searched source: https://lkcloud-api.readme.io/docs/environments versioning: scheme: release-numbered current_interop: 6.23.0 current_fhir_module: FHIR R4 1.4.0 note: The server-side API and the FHIR module are versioned separately. changelog: https://lkcloud-api.readme.io/changelog ref: changelog/ellkay-changelog.yml release_process: channel: Staging-first detail: >- New API functionality deploys to the Staging environment with a release announcement (release date/time, release notes, updated docs) sent to all LKCloud API customers before Production release. breaking_change_policy: makes_breaking_changes: false statement: ELLKAY does not make breaking changes to the LKCloud APIs. guidance: Customers are advised to run automated tests against Staging to verify version compatibility. deprecation: policy_url: null sunset_header: false notes: - target: Subscriber-key authentication status: deprecated detail: >- Retained for backwards-compatibility (Interop only, never FHIR); eventual discontinuation planned with no date chosen. Customers strongly encouraged to migrate to OAuth2. - target: Legacy Ping / dual-OAuth support (FHIR) status: removed detail: Removed in FHIR R4 1.4.0 (7/1/2025); fully migrated to LKIdentity authentication. sla: url: null uptime_target: null status_page: null environments: staging: https://services.lkstaging.com production: https://services.lkcloud.com fhir_staging: https://fhir.lkstaging.com/R4 fhir_production: https://fhir.lkcloud.com/R4