diff --git a/de/4x/api.md b/de/4x/api.md
index 4db5c42322..30ef5a9bc5 100644
--- a/de/4x/api.md
+++ b/de/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+
diff --git a/es/4x/api.md b/es/4x/api.md
index 469f55025c..f0d3eb28d2 100644
--- a/es/4x/api.md
+++ b/es/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+
diff --git a/fr/4x/api.md b/fr/4x/api.md
index e00fcb0a74..8b88ae6910 100644
--- a/fr/4x/api.md
+++ b/fr/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+
diff --git a/it/4x/api.md b/it/4x/api.md
index f316c1c89d..275bb77019 100644
--- a/it/4x/api.md
+++ b/it/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+
diff --git a/ja/4x/api.md b/ja/4x/api.md
index f9e750ddf2..7f6d5c279e 100644
--- a/ja/4x/api.md
+++ b/ja/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+
diff --git a/pt-br/4x/api.md b/pt-br/4x/api.md
index 7adeb1cdf1..201b27280b 100644
--- a/pt-br/4x/api.md
+++ b/pt-br/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+
diff --git a/zh-cn/4x/api.md b/zh-cn/4x/api.md
index 0c9d85d85b..bf2e3287ea 100644
--- a/zh-cn/4x/api.md
+++ b/zh-cn/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+
diff --git a/zh-tw/4x/api.md b/zh-tw/4x/api.md
index f9b702a977..4de91fb03b 100644
--- a/zh-tw/4x/api.md
+++ b/zh-tw/4x/api.md
@@ -19,7 +19,19 @@ Express 4.0 requires Node.js 0.10 or higher.
{% include admonitions/note.html content=node-version %}
+
+{% include api/en/4x/express.md %}
+
{% include api/en/4x/app.md %}
+
+{% include api/en/4x/req.md %}
+
+
+{% include api/en/4x/res.md %}
+
+
+{% include api/en/4x/router.md %}
+