diff --git a/lib/www/server/spec/openapi.yaml b/lib/www/server/spec/openapi.yaml
index 30e6f85..ec79ef6 100644
--- a/lib/www/server/spec/openapi.yaml
+++ b/lib/www/server/spec/openapi.yaml
@@ -73,6 +73,9 @@ tags:
 
             * SeisJSON file containing sequence event data.
             * PDF file which is a representation of the corresponding SeisJSON.
+    -
+        name: misc
+        description: Miscellaneous endpoints
 
 components:
     securitySchemes:
@@ -1025,6 +1028,109 @@ components:
                     "parent_id": null
                 }
 
+        SoftwareVersion:
+            description: Software and component versions
+            type: object
+            properties:
+                name:
+                    description: Server application name
+                    type: string
+                server:
+                    description: Server application version
+                    type: string
+                tag:
+                    description: Server application version control tag
+                    type: string
+                api:
+                    description: Application program interface version
+                    type: string
+                schema:
+                    description: Database schema version
+                    type: string
+                db:
+                    description: |
+                        Database components.
+                        *Only shown to users with write access.*
+                    type: object
+                    properties:
+                        version:
+                            description: Database server description
+                            type: string
+                        postgis_version:
+                            description: PostGIS version number
+                            type: string
+                os:
+                    description: |
+                        Operating system information. See the [`/etc/os-release` file description](https://www.freedesktop.org/software/systemd/man/latest/os-release.html#Options) for information on the specific values.
+                        *Only shown to users with write access.*
+                    type: object
+                    properties:
+                        ID:
+                            description: See https://www.freedesktop.org/software/systemd/man/latest/os-release.html#ID=
+                            type: string
+                        NAME:
+                            description: See https://www.freedesktop.org/software/systemd/man/latest/os-release.html#NAME=
+                            type: string
+                        PRETTY_NAME:
+                            description: See https://www.freedesktop.org/software/systemd/man/latest/os-release.html#PRETTY_NAME=
+                            type: string
+                        VERSION:
+                            description: See https://www.freedesktop.org/software/systemd/man/latest/os-release.html#VERSION=
+                            type: string
+                        VERSION_ID:
+                            description: See https://www.freedesktop.org/software/systemd/man/latest/os-release.html#VERSION_ID=
+                            type: string
+                compatibility:
+                    description: Version compatibility
+                    type: array
+                    items:
+                        type: object
+                        description: |
+                            Compatibility object. Describes the compatibility requirements of the currently running system.
+                        properties:
+                            component:
+                                description: The component being checked.
+                                type: string
+                                enum: [ "api", "schema" ]
+                            current:
+                                description: Current version number for this component.
+                                type: string
+                            wanted:
+                                description: Wanted version. This uses NodeJS' semantic versioning comparisons. See https://github.com/npm/node-semver#ranges for a description of the syntax.
+                                type: string
+            example:
+              {
+                "name": "dougal-server-web",
+                "server": "0.0.0",
+                "tag": "v3-260-g46bb207",
+                "api": "0.4.0",
+                "schema": "0.4.5",
+                "db": {
+                  "version": "PostgreSQL 14.8 on x86_64-suse-linux-gnu, compiled by gcc (SUSE Linux) 13.2.1 20230803 [revision cc279d6c64562f05019e1d12d0d825f9391b5553], 64-bit",
+                  "postgis_version": "3.3 USE_GEOS=1 USE_PROJ=1 USE_STATS=1"
+                },
+                "os": {
+                  "NAME": "openSUSE Leap",
+                  "VERSION": "15.4",
+                  "ID": "opensuse-leap",
+                  "VERSION_ID": "15.4",
+                  "PRETTY_NAME": "openSUSE Leap 15.4"
+                },
+                "compatibility": [
+                  {
+                    "current": "0.4.5",
+                    "wanted": "^0.4.5",
+                    "component": "schema"
+                  },
+                  {
+                    "current": "0.4.0",
+                    "wanted": "^0.4.0",
+                    "component": "api"
+                  }
+                ]
+              }
+
+
 
 
 security:
@@ -2274,6 +2380,19 @@ paths:
                     description: The request does not exist or it has already been fulfilled and cannot therefore be cancelled.
 
 
+    /version:
+        get:
+            summary: Get version information
+            tags: [ "misc" ]
+            security: null
+            responses:
+                "200":
+                    description: Version data
+                    content:
+                        application/json:
+                            schema:
+                                $ref: "#/components/schemas/SoftwareVersion"
+