diff --git a/data/web/api/openapi.yaml b/data/web/api/openapi.yaml
index 1d2621689..e8e963e6a 100644
--- a/data/web/api/openapi.yaml
+++ b/data/web/api/openapi.yaml
@@ -5646,6 +5646,40 @@ paths:
                       items:
                         type: string
       summary: Edit Cross-Origin Resource Sharing (CORS) settings
+  "/api/v1/get/spam-score/{mailbox}":
+    get:
+      parameters:
+        - description: name of mailbox or empty for current user - admin user will retrieve the global spam filter score
+          in: path
+          name: mailbox
+          required: true
+          schema:
+            type: string
+        - description: e.g. api-key-string
+          example: api-key-string
+          in: header
+          name: X-API-Key
+          required: false
+          schema:
+            type: string
+      responses:
+        "401":
+          $ref: "#/components/responses/Unauthorized"
+        "200":
+          content:
+            application/json:
+              examples:
+                response:
+                  value:
+                    spam_score: "8,15"
+          description: OK
+          headers: {}
+      tags:
+        - Mailboxes
+      description: >-
+        Using this endpoint you can get the global spam filter score or the spam filter score of a certain mailbox.
+      operationId: Get mailbox or global spam filter score
+      summary: Get mailbox or global spam filter score
 
 tags:
   - name: Domains
diff --git a/data/web/json_api.php b/data/web/json_api.php
index b375bc8e4..b8c465fb2 100644
--- a/data/web/json_api.php
+++ b/data/web/json_api.php
@@ -1591,6 +1591,12 @@ if (isset($_GET['query'])) {
               }
             }
           break;
+          case "spam-score":
+            $score = mailbox('get', 'spam_score', $object);
+            if ($score)
+              $score = array("score" => preg_replace("/\s+/", "", $score));
+            process_get_return($score);
+          break;
         break;
         // return no route found if no case is matched
         default: