diff --git a/lib/www/server/spec/openapi.yaml b/lib/www/server/spec/openapi.yaml
index b91a0ce..818f694 100644
--- a/lib/www/server/spec/openapi.yaml
+++ b/lib/www/server/spec/openapi.yaml
@@ -1,6 +1,6 @@
 openapi: 3.0.0
 info:
-    version: 0.3.0
+    version: 0.3.1
     title: Dougal API
     description: >
         Public API of the Dougal seismic production & data analysis tool.
@@ -55,6 +55,9 @@ tags:
     -
         name: log
         description: Project events log
+    -
+        name: qc
+        description: Project quality control definition and results
     -
         name: metadata
         description: Project items metadata
@@ -1401,6 +1404,133 @@ paths:
                     $ref: "#/components/responses/401"
 
 
+    /project/{project}/qc/results:
+        get:
+            summary: Get QC results.
+            tags: [ "qc" ]
+            security:
+                - BearerAuthGuest: []
+                - CookieAuthGuest: []
+            parameters:
+                - $ref: "#/components/parameters/Project"
+            responses:
+                "200":
+                    description: Project QC results.
+                    content:
+                        application/json:
+                            schema:
+                                type: object
+                                description: |
+                                    The returned object is a tree structure of QC tests and their results.
+                "401":
+                    $ref: "#/components/responses/401"
+        delete:
+            summary: Delete all QC results.
+            tags: [ "qc" ]
+            security:
+                - BearerAuthUser: []
+                - BearerAuthUser: []
+            parameters:
+                - $ref: "#/components/parameters/Project"
+            responses:
+                "204":
+                    description: |
+                        All QC results for the project have been deleted.  
+                        Note that unless the project has been archived, the QCs will be regenerated in the next run of the deferred tasks process.
+                "401":
+                    $ref: "#/components/responses/401"
+
+
+    /project/{project}/qc/results/accept:
+        post:
+            summary: Accept shotpoint QC results.
+            tags: [ "qc" ]
+            security:
+                - BearerAuthUser: []
+                - BearerAuthUser: []
+            parameters:
+                - $ref: "#/components/parameters/Project"
+            requestBody:
+                required: true
+                content:
+                    application/json:
+                        schema:
+                            type: array
+                            items:
+                                type: integer
+                                description: Event ID of the QC result to mark as accepted.
+            responses:
+                "204":
+                    description: |
+                        The QC events referenced in the request body have been marked as accepted. These events will not be exported to Seis+JSON files or derived human-readable reports.
+                "401":
+                    $ref: "#/components/responses/401"
+
+    /project/{project}/qc/results/unaccept:
+        post:
+            summary: Unaccept shotpoint QC results.
+            tags: [ "qc" ]
+            security:
+                - BearerAuthUser: []
+                - BearerAuthUser: []
+            parameters:
+                - $ref: "#/components/parameters/Project"
+            responses:
+                "204":
+                    description: |
+                        The QC events referenced in the request body are no longer marked as accepted.
+                "401":
+                    $ref: "#/components/responses/401"
+            requestBody:
+                required: true
+                content:
+                    application/json:
+                        schema:
+                            type: array
+                            items:
+                                type: integer
+                                description: Event ID of the QC result to no longer mark accepted.
+
+
+    /project/{project}/qc/results/sequence/{sequence}:
+        get:
+            summary: Get sequence QC results.
+            tags: [ "qc" ]
+            security:
+                - BearerAuthGuest: []
+                - CookieAuthGuest: []
+            parameters:
+                - $ref: "#/components/parameters/Project"
+                - $ref: "#/components/parameters/SequenceNumber"
+            responses:
+                "200":
+                    description: Sequence QC results.
+                    content:
+                        application/json:
+                            schema:
+                                type: object
+                                description: |
+                                    The returned object is a tree structure of QC tests and their results for a specific sequence
+                "401":
+                    $ref: "#/components/responses/401"
+        delete:
+            summary: Delete sequence QC results.
+            tags: [ "qc" ]
+            security:
+                - BearerAuthUser: []
+                - BearerAuthUser: []
+            parameters:
+                - $ref: "#/components/parameters/Project"
+                - $ref: "#/components/parameters/SequenceNumber"
+            responses:
+                "204":
+                    description: |
+                        All QC results for the sequence have been deleted.  
+                        Note that unless the project has been archived, the QCs will be regenerated in the next run of the deferred tasks process.
+                "401":
+                    $ref: "#/components/responses/401"
+
+
     /project/{project}/configuration/{path}:
         get:
             summary: Get project configuration data.