<status value="active" /> <experimental value="false" /> <date value="2026-03-31" /> <publisher value="Tiplu GmbH" /> <contact> <telecom> <system value="url" /> <value value="https://tiplu.de" /> </telecom> </contact> <description value="This CapabilityStatement describes the FHIR Subscription interface exposed by MAIA (product version 1.0 / software version 3.x). Subscribers receive push notifications via REST-Hook when a clinician accepts a rule-based evaluation (MaiaVerdachtsdiagnose). The implementation follows the FHIR R4/R5 Subscriptions Backport IG (http://hl7.org/fhir/uv/subscriptions-backport)." /> <kind value="capability" /> <software> <name value="Maia" /> <version value="3.x.x" /> </software> <fhirVersion value="4.0.1" /> <format value="application/fhir+json" /> <rest> <mode value="server" /> <resource> <extension url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation"> <valueCode value="SHALL" /> </extension> <extension url="http://hl7.org/fhir/uv/subscriptions-backport/StructureDefinition/capabilitystatement-subscriptiontopic-canonical"> <valueCanonical value="https://tiplu.de/fhir/maia/SubscriptionTopic/maia-alert-accepted" /> </extension> <type value="Subscription" /> <documentation value="MAIA supports FHIR R4 Subscriptions using the R4/R5 Backport IG (http://hl7.org/fhir/uv/subscriptions-backport). The only supported topic is `maia-alert-accepted`, triggered when a clinician accepts a rule-based evaluation (MaiaVerdachtsdiagnose). **Fixed constraints (violations return 422):** - `criteria`: must be `https://tiplu.de/fhir/maia/SubscriptionTopic/maia-alert-accepted` - `channel.type`: only `rest-hook` is supported - `channel.payload`: must be `application/fhir+json` - `channel.endpoint`: must be an absolute URI with scheme `http` or `https` **Server-managed fields (client-supplied values are silently ignored):** - `status`: set to `requested` on creation; transitions to `active` after successful handshake, or `error` on failure - `channel.payloadContent`: always `full-resource` - `end`: subscription expiry is not supported; the field is accepted but ignored **Security note:** `channel.header` is write-only — accepted on create/update but masked on read to prevent token disclosure." /> <interaction> <extension url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation"> <valueCode value="SHALL" /> </extension> <code value="create" /> </interaction> <interaction> <extension url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation"> <valueCode value="SHALL" /> </extension> <code value="read" /> </interaction> <interaction> <extension url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation"> <valueCode value="SHALL" /> </extension> <code value="update" /> </interaction> <interaction> <extension url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation"> <valueCode value="SHALL" /> </extension> <code value="delete" /> </interaction> <interaction> <extension url="http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation"> <valueCode value="SHALL" /> </extension> <code value="search-type" /> </interaction> </resource> </rest> </CapabilityStatement>