diff --git a/Koha/REST/V1/Patrons.pm b/Koha/REST/V1/Patrons.pm
index 5eba4bdee3..abefe227a5 100644
--- a/Koha/REST/V1/Patrons.pm
+++ b/Koha/REST/V1/Patrons.pm
@@ -315,10 +315,39 @@ sub delete {
 
     return try {
 
-        $patron->delete;
-        return $c->render(
-            status  => 204,
-            openapi => q{}
+        if ( $patron->checkouts->count > 0 ) {
+            return $c->render(
+                status  => 409,
+                openapi => { error => 'Pending checkouts prevent deletion' }
+            );
+        }
+
+        my $account = $patron->account;
+
+        if ( $account->outstanding_debits->total_outstanding > 0 ) {
+            return $c->render(
+                status  => 409,
+                openapi => { error => 'Pending debts prevent deletion' }
+            );
+        }
+
+        if ( $patron->guarantee_relationships->count > 0 ) {
+            return $c->render(
+                status  => 409,
+                openapi => { error => 'Patron is a guarantor and it prevents deletion' }
+            );
+        }
+
+        $patron->_result->result_source->schema->txn_do(
+            sub {
+                $patron->move_to_deleted;
+                $patron->delete;
+
+                return $c->render(
+                    status  => 204,
+                    openapi => q{}
+                );
+            }
         );
     } catch {
         if ( blessed $_ && $_->isa('Koha::Exceptions::Patron::FailedDeleteAnonymousPatron') ) {
diff --git a/api/v1/swagger/paths/patrons.json b/api/v1/swagger/paths/patrons.json
index 3e4e7739a1..6eab8b0109 100644
--- a/api/v1/swagger/paths/patrons.json
+++ b/api/v1/swagger/paths/patrons.json
@@ -695,6 +695,18 @@
           "schema": {
             "$ref": "../definitions.json#/error"
           }
+        },
+        "409": {
+          "description": "Conflict in updating resource",
+          "schema": {
+            "$ref": "../definitions.json#/error"
+          }
+        },
+        "500": {
+          "description": "Internal server error",
+          "schema": {
+            "$ref": "../definitions.json#/error"
+          }
         }
       },
       "x-koha-authorization": {