diff --git a/Koha/Plugin/Fi/KohaSuomi/DI/PatronController.pm b/Koha/Plugin/Fi/KohaSuomi/DI/PatronController.pm
index e9eb353..bacf00c 100644
--- a/Koha/Plugin/Fi/KohaSuomi/DI/PatronController.pm
+++ b/Koha/Plugin/Fi/KohaSuomi/DI/PatronController.pm
@@ -151,6 +151,7 @@ sub get {
                 my $api_record;
                 $api_record->{date} = $message->message_date;
                 $api_record->{message} = $message->message;
+                $api_record->{message_id} = $message->message_id;
                 $api_record->{library_id} = $message->branchcode;
                 push @messages, $api_record;
             }
@@ -377,6 +378,54 @@ List Koha::Checkout objects including renewability (for checked out items)
 <
 =cut
 
+sub delete_messages {
+    my $c = shift->openapi->valid_input or return;
+    
+    my $borrowernumber = $c->validation->param('patron_id');
+    my $message_id = $c->validation->param('message_id');
+    
+    my $patron;
+    my $message;
+
+    try {
+        $patron = Koha::Patrons->find($borrowernumber);
+        if ($patron) {
+            $message = Koha::Patron::Messages->find($message_id);
+            
+            if (($message) && ($message->message_type eq "B")){
+                if ($patron->borrowernumber == $message->borrowernumber){
+                    $message->delete;
+                    return $c->render( status => 204, openapi => {} );
+                }
+                else {
+                    return $c->render( status => 403, openapi => {
+                    error => "Borrowernumber does not match message borrowernumber"
+                    });   
+                }
+            }
+            else {
+                if ($message){
+                    return $c->render( status => 403, openapi => {
+                    error => "Forbidden message type"
+                    });    
+                }
+                else {
+                    return $c->render( status => 404, openapi => {
+                    error => "No such message for patron"
+                    });  
+                } 
+            }
+        }
+    }
+    catch {
+        unless ($patron) {
+            return $c->render( status => 404, openapi => {
+                error => "Patron doesn't exist"
+            });
+        }
+    };    
+}
+
 sub list_checkouts {
     my $c = shift->openapi->valid_input or return;
 
diff --git a/Koha/Plugin/Fi/KohaSuomi/DI/openapi.yaml b/Koha/Plugin/Fi/KohaSuomi/DI/openapi.yaml
index d477259..32e7508 100644
--- a/Koha/Plugin/Fi/KohaSuomi/DI/openapi.yaml
+++ b/Koha/Plugin/Fi/KohaSuomi/DI/openapi.yaml
@@ -1161,6 +1161,44 @@ paths:
         permissions:
           borrowers: "edit_borrowers"
       x-mojo-to: Fi::KohaSuomi::DI::PatronController#edit_messaging_preferences
+  "/patrons/{patron_id}/messages/{message_id}":
+    delete:
+      description: Deletes patron's messages by message id.
+      operationId: deleteMessageDI
+      parameters:
+        - $ref: ./openapi/parameters.yaml#/patron_id_pp
+        - $ref: ./openapi/parameters.yaml#/message_id_pp
+      produces:
+        - application/json
+      responses:
+        204:
+          description: Message deleted successfully
+        401:
+          description: Authentication required
+          schema:
+            $ref: ./openapi/definitions.yaml#/error
+        403:
+          description: Access forbidden
+          schema:
+            $ref: ./openapi/definitions.yaml#/error
+        404:
+          description: Message or patron not found
+          schema:
+            $ref: ./openapi/definitions.yaml#/error
+        500:
+          description: Internal error
+          schema:
+            $ref: ./openapi/definitions.yaml#/error
+        503:
+          description: Under maintenance
+          schema:
+            $ref: ./openapi/definitions.yaml#/error
+      tags:
+        - messages
+      x-koha-authorization:
+        permissions:
+          circulate: circulate_remaining_permissions
+      x-mojo-to: Fi::KohaSuomi::DI::PatronController#delete_messages
 info:
   title: Koha REST API Discovery Interface Plugin
   version: "1"
diff --git a/Koha/Plugin/Fi/KohaSuomi/DI/openapi/parameters.yaml b/Koha/Plugin/Fi/KohaSuomi/DI/openapi/parameters.yaml
index d8ab1e9..f0a43be 100644
--- a/Koha/Plugin/Fi/KohaSuomi/DI/openapi/parameters.yaml
+++ b/Koha/Plugin/Fi/KohaSuomi/DI/openapi/parameters.yaml
@@ -37,6 +37,8 @@ patron_id_pp:
   $ref: parameters/patron.yaml#/patron_id_pp
 patron_id_qp:
   $ref: parameters/patron.yaml#/patron_id_qp
+message_id_pp:
+  $ref: parameters/message.yaml#/message_id_pp
 per_page:
   description: 'Page size, for paginated object listing'
   in: query
diff --git a/Koha/Plugin/Fi/KohaSuomi/DI/openapi/parameters/message.yaml b/Koha/Plugin/Fi/KohaSuomi/DI/openapi/parameters/message.yaml
new file mode 100644
index 0000000..f9a4e00
--- /dev/null
+++ b/Koha/Plugin/Fi/KohaSuomi/DI/openapi/parameters/message.yaml
@@ -0,0 +1,7 @@
+---
+message_id_pp:
+  description: Internal message identifier
+  in: path
+  name: message_id
+  type: integer
+  required: true