diff --git a/mfapi/apicalls.h b/mfapi/apicalls.h
index 1585e23..32d42ee 100644
--- a/mfapi/apicalls.h
+++ b/mfapi/apicalls.h
@@ -33,6 +33,8 @@
 #define MFAPI_MAX_LEN_KEY 15
 #define MFAPI_MAX_LEN_NAME 255
 
+#define MFAPI_VERSION "1.2"
+
 enum mfconn_device_change_type {
     MFCONN_DEVICE_CHANGE_DELETED_FOLDER,
     MFCONN_DEVICE_CHANGE_DELETED_FILE,
diff --git a/mfapi/mfconn.c b/mfapi/mfconn.c
index a26e5e6..8a9a0e3 100644
--- a/mfapi/mfconn.c
+++ b/mfapi/mfconn.c
@@ -263,8 +263,10 @@ const char     *mfconn_create_unsigned_get(mfconn * conn, int ssl,
         return NULL;
     }
 
-    api_request = strdup_printf("%s//%s/api/%s",
-                                (ssl ? "https:" : "http:"), conn->server, api);
+    api_request = strdup_printf("%s//%s/api/%s/%s",
+                                (ssl ? "https:" : "http:"),
+                                conn->server,
+                                MFAPI_VERSION, api);
 
     // compute the amount of space requred to realloc() the request
     bytes_to_alloc = api_args_len;
@@ -351,8 +353,10 @@ const char     *mfconn_create_signed_get(mfconn * conn, int ssl,
         return NULL;
     }
 
-    api_request = strdup_printf("%s//%s/api/%s",
-                                (ssl ? "https:" : "http:"), conn->server, api);
+    api_request = strdup_printf("%s//%s/api/%s/%s",
+                                (ssl ? "https:" : "http:"),
+                                conn->server,
+                                MFAPI_VERSION, api);
 
     call_hash = mfconn_create_call_signature(conn, api_request, api_args);
     signature = strdup_printf("&signature=%s", call_hash);