diff --git a/Koha/REST/V1/Biblios.pm b/Koha/REST/V1/Biblios.pm
index 80c7200319..157282b4a1 100644
--- a/Koha/REST/V1/Biblios.pm
+++ b/Koha/REST/V1/Biblios.pm
@@ -82,13 +82,19 @@ sub get {
                     format => 'marc',
                     text   => $record->as_usmarc
                 },
+                txt => {
+                    status => 200,
+                    format => 'text/plain',
+                    text   => $record->as_formatted
+                },
                 any => {
                     status  => 406,
                     openapi => [
                         "application/json",
                         "application/marcxml+xml",
                         "application/marc-in-json",
-                        "application/marc"
+                        "application/marc",
+                        "text/plain"
                     ]
                 }
             );
diff --git a/api/v1/swagger/paths/biblios.json b/api/v1/swagger/paths/biblios.json
index 530993ff33..4896b71f62 100644
--- a/api/v1/swagger/paths/biblios.json
+++ b/api/v1/swagger/paths/biblios.json
@@ -15,7 +15,8 @@
         "application/json",
         "application/marcxml+xml",
         "application/marc-in-json",
-        "application/marc"
+        "application/marc",
+        "text/plain"
       ],
       "responses": {
         "200": {