diff --git a/src/main/resources/api-definition/hs-office/hs-office-relations-schemas.yaml b/src/main/resources/api-definition/hs-office/hs-office-relations-schemas.yaml
new file mode 100644
index 00000000..b092cd0a
--- /dev/null
+++ b/src/main/resources/api-definition/hs-office/hs-office-relations-schemas.yaml
@@ -0,0 +1,65 @@
+
+components:
+
+    schemas:
+
+        HsOfficeRelationType:
+            type: string
+            enum:
+                - UNKNOWN
+                - PARTNER
+                - EX_PARTNER
+                - DEBITOR
+                - REPRESENTATIVE
+                - VIP_CONTACT
+                - OPERATIONS
+                - SUBSCRIBER
+
+        HsOfficeRelation:
+            type: object
+            properties:
+                uuid:
+                    type: string
+                    format: uuid
+                anchor:
+                    $ref: './hs-office-person-schemas.yaml#/components/schemas/HsOfficePerson'
+                holder:
+                    $ref: './hs-office-person-schemas.yaml#/components/schemas/HsOfficePerson'
+                type:
+                    type: string
+                mark:
+                    type: string
+                    nullable: true
+                contact:
+                    $ref: './hs-office-contact-schemas.yaml#/components/schemas/HsOfficeContact'
+
+        HsOfficeRelationPatch:
+            type: object
+            properties:
+                contactUuid:
+                    type: string
+                    format: uuid
+                    nullable: true
+
+        HsOfficeRelationInsert:
+            type: object
+            properties:
+                anchorUuid:
+                    type: string
+                    format: uuid
+                holderUuid:
+                    type: string
+                    format: uuid
+                type:
+                    type: string
+                    nullable: true
+                mark:
+                    type: string
+                contactUuid:
+                    type: string
+                    format: uuid
+            required:
+              - anchorUuid
+              - holderUuid
+              - type
+              - relContactUuid
diff --git a/src/main/resources/api-definition/hs-office/hs-office-relations-with-uuid.yaml b/src/main/resources/api-definition/hs-office/hs-office-relations-with-uuid.yaml
new file mode 100644
index 00000000..4511b895
--- /dev/null
+++ b/src/main/resources/api-definition/hs-office/hs-office-relations-with-uuid.yaml
@@ -0,0 +1,83 @@
+get:
+    tags:
+        - hs-office-relations
+    description: 'Fetch a single person relation by its uuid, if visible for the current subject.'
+    operationId: getRelationByUuid
+    parameters:
+        - $ref: './auth.yaml#/components/parameters/currentUser'
+        - $ref: './auth.yaml#/components/parameters/assumedRoles'
+        - name: relationUUID
+          in: path
+          required: true
+          schema:
+              type: string
+              format: uuid
+          description: UUID of the relation to fetch.
+    responses:
+        "200":
+            description: OK
+            content:
+                'application/json':
+                    schema:
+                        $ref: './hs-office-relations-schemas.yaml#/components/schemas/HsOfficeRelation'
+
+        "401":
+            $ref: './error-responses.yaml#/components/responses/Unauthorized'
+        "403":
+            $ref: './error-responses.yaml#/components/responses/Forbidden'
+
+patch:
+    tags:
+        - hs-office-relations
+    description: 'Updates a single person relation by its uuid, if permitted for the current subject.'
+    operationId: patchRelation
+    parameters:
+        -   $ref: './auth.yaml#/components/parameters/currentUser'
+        -   $ref: './auth.yaml#/components/parameters/assumedRoles'
+        -   name: relationUUID
+            in: path
+            required: true
+            schema:
+                type: string
+                format: uuid
+    requestBody:
+        content:
+            'application/json':
+                schema:
+                    $ref: './hs-office-relations-schemas.yaml#/components/schemas/HsOfficeRelationPatch'
+    responses:
+        "200":
+            description: OK
+            content:
+                'application/json':
+                    schema:
+                        $ref: './hs-office-relations-schemas.yaml#/components/schemas/HsOfficeRelation'
+        "401":
+            $ref: './error-responses.yaml#/components/responses/Unauthorized'
+        "403":
+            $ref: './error-responses.yaml#/components/responses/Forbidden'
+
+delete:
+    tags:
+        - hs-office-relations
+    description: 'Delete a single person relation by its uuid, if permitted for the current subject.'
+    operationId: deleteRelationByUuid
+    parameters:
+        - $ref: './auth.yaml#/components/parameters/currentUser'
+        - $ref: './auth.yaml#/components/parameters/assumedRoles'
+        - name: relationUUID
+          in: path
+          required: true
+          schema:
+              type: string
+              format: uuid
+          description: UUID of the relation to delete.
+    responses:
+        "204":
+            description: No Content
+        "401":
+            $ref: './error-responses.yaml#/components/responses/Unauthorized'
+        "403":
+            $ref: './error-responses.yaml#/components/responses/Forbidden'
+        "404":
+            $ref: './error-responses.yaml#/components/responses/NotFound'
diff --git a/src/main/resources/api-definition/hs-office/hs-office-relations.yaml b/src/main/resources/api-definition/hs-office/hs-office-relations.yaml
new file mode 100644
index 00000000..6328974f
--- /dev/null
+++ b/src/main/resources/api-definition/hs-office/hs-office-relations.yaml
@@ -0,0 +1,63 @@
+get:
+    summary: Returns a list of (optionally filtered) person relations for a given person.
+    description: Returns the list of (optionally filtered) person relations of a given person and which are visible to the current user or any of it's assumed roles.
+    tags:
+        - hs-office-relations
+    operationId: listRelations
+    parameters:
+        - $ref: './auth.yaml#/components/parameters/currentUser'
+        - $ref: './auth.yaml#/components/parameters/assumedRoles'
+        - name: personUuid
+          in: query
+          required: true
+          schema:
+              type: string
+              format: uuid
+          description: Prefix of name properties from holder or contact to filter the results.
+        - name: relationType
+          in: query
+          required: false
+          schema:
+              $ref: './hs-office-relations-schemas.yaml#/components/schemas/HsOfficeRelationType'
+          description: Prefix of name properties from holder or contact to filter the results.
+    responses:
+        "200":
+            description: OK
+            content:
+                'application/json':
+                    schema:
+                        type: array
+                        items:
+                            $ref: './hs-office-relations-schemas.yaml#/components/schemas/HsOfficeRelation'
+        "401":
+            $ref: './error-responses.yaml#/components/responses/Unauthorized'
+        "403":
+            $ref: './error-responses.yaml#/components/responses/Forbidden'
+
+post:
+    summary: Adds a new person relation.
+    tags:
+        - hs-office-relations
+    operationId: addRelation
+    parameters:
+        - $ref: './auth.yaml#/components/parameters/currentUser'
+        - $ref: './auth.yaml#/components/parameters/assumedRoles'
+    requestBody:
+        content:
+            'application/json':
+                schema:
+                    $ref: './hs-office-relations-schemas.yaml#/components/schemas/HsOfficeRelationInsert'
+        required: true
+    responses:
+        "201":
+            description: Created
+            content:
+                'application/json':
+                    schema:
+                        $ref: './hs-office-relations-schemas.yaml#/components/schemas/HsOfficeRelation'
+        "401":
+            $ref: './error-responses.yaml#/components/responses/Unauthorized'
+        "403":
+            $ref: './error-responses.yaml#/components/responses/Forbidden'
+        "409":
+            $ref: './error-responses.yaml#/components/responses/Conflict'