diff --git a/templates/zerver/api/private-message.md b/templates/zerver/api/private-message.md
index e01e5e49aa..56a1332459 100644
--- a/templates/zerver/api/private-message.md
+++ b/templates/zerver/api/private-message.md
@@ -128,11 +128,4 @@ address is invalid:
 }
 ```
 
-A typical failed JSON response for when the API key is invalid:
-
-```
-{
-    'msg':'Invalid API key',
-    'result':'error'
-}
-```
+{!invalid-api-key-json-response.md!}
diff --git a/templates/zerver/api/stream-message.md b/templates/zerver/api/stream-message.md
index afdab1b7cc..f2fe8d7083 100644
--- a/templates/zerver/api/stream-message.md
+++ b/templates/zerver/api/stream-message.md
@@ -147,11 +147,4 @@ A typical failed JSON response for when the target stream does not exist:
 }
 ```
 
-A typical failed JSON response for when the API key is invalid:
-
-```
-{
-    'msg':'Invalid API key',
-    'result':'error'
-}
-```
+{!invalid-api-key-json-response.md!}
diff --git a/templates/zerver/help/include/invalid-api-key-json-response.md b/templates/zerver/help/include/invalid-api-key-json-response.md
new file mode 100644
index 0000000000..94e45328c7
--- /dev/null
+++ b/templates/zerver/help/include/invalid-api-key-json-response.md
@@ -0,0 +1,8 @@
+A typical failed JSON response for when the API key is invalid:
+
+```
+{
+    'msg':'Invalid API key',
+    'result':'error'
+}
+```