diff --git a/InvenTree/InvenTree/api.py b/InvenTree/InvenTree/api.py
index 3489056865..2fc85ef653 100644
--- a/InvenTree/InvenTree/api.py
+++ b/InvenTree/InvenTree/api.py
@@ -18,7 +18,7 @@ from rest_framework.response import Response
 from rest_framework.views import APIView
 
 from .views import AjaxView
-from .version import inventreeVersion, inventreeInstanceName
+from .version import inventreeVersion, inventreeApiVersion, inventreeInstanceName
 
 from plugins import plugins as inventree_plugins
 
@@ -43,6 +43,7 @@ class InfoView(AjaxView):
             'server': 'InvenTree',
             'version': inventreeVersion(),
             'instance': inventreeInstanceName(),
+            'apiVersion': inventreeApiVersion(),
         }
 
         return JsonResponse(data)
diff --git a/InvenTree/InvenTree/version.py b/InvenTree/InvenTree/version.py
index c51398e182..ce25f1bd14 100644
--- a/InvenTree/InvenTree/version.py
+++ b/InvenTree/InvenTree/version.py
@@ -9,6 +9,8 @@ import common.models
 
 INVENTREE_SW_VERSION = "0.1.7 pre"
 
+# Increment this number whenever there is a significant change to the API that any clients need to know about
+INVENTREE_API_VERSION = 2
 
 def inventreeInstanceName():
     """ Returns the InstanceName settings for the current database """
@@ -20,6 +22,10 @@ def inventreeVersion():
     return INVENTREE_SW_VERSION
 
 
+def inventreeApiVersion():
+    return INVENTREE_API_VERSION
+
+
 def inventreeDjangoVersion():
     """ Return the version of Django library """
     return django.get_version()