diff --git a/packages/backend/src/config.js b/packages/backend/src/config.js
index cecd3a89..0abf9515 100644
--- a/packages/backend/src/config.js
+++ b/packages/backend/src/config.js
@@ -112,7 +112,9 @@ const computed_defaults = {
     pub_port: config => config.http_port,
     origin: config => config.protocol + '://' + config.domain +
         (config.pub_port !== 80 && config.pub_port !== 443 ? ':' + config.pub_port : ''),
-    api_base_url: config => config.protocol + '://api.' + config.domain +
+    api_base_url: config => config.experimental_no_subdomain
+        ? config.origin
+        : config.protocol + '://api.' + config.domain +
         (config.pub_port !== 80 && config.pub_port !== 443 ? ':' + config.pub_port : ''),
     social_card: config => `${config.origin}/assets/img/screenshot.png`,
 };
diff --git a/packages/backend/src/helpers.js b/packages/backend/src/helpers.js
index 8a04ae42..224e907f 100644
--- a/packages/backend/src/helpers.js
+++ b/packages/backend/src/helpers.js
@@ -1128,6 +1128,7 @@ async function deleteUser(user_id){
 }
 
 function subdomain(req){
+    if ( config.experimental_no_subdomain ) return 'api';
     return req.hostname.slice(0, -1 * (config.domain.length + 1));
 }