diff --git a/Archipelago.cpp b/Archipelago.cpp
index addb079..2ffb4a0 100644
--- a/Archipelago.cpp
+++ b/Archipelago.cpp
@@ -538,6 +538,15 @@ void AP_BulkSetServerData(AP_SetServerDataRequest* request) {
                 req_t["default"] = *((int*)request->default_value);
             }
             break;
+        case AP_DataType::Int64:
+            for (int i = 0; i < request->operations.size(); i++) {
+                req_t["operations"][i]["operation"] = request->operations[i].operation;
+                req_t["operations"][i]["value"] = *((int64_t*)request->operations[i].value);
+            }
+            if (request->default_value != nullptr) {
+                req_t["default"] = *((int64_t*)request->default_value);
+            }
+            break;
         case AP_DataType::Double:
             for (int i = 0; i < request->operations.size(); i++) {
                 req_t["operations"][i]["operation"] = request->operations[i].operation;
@@ -614,6 +623,7 @@ void AP_SetNotify(std::map<std::string,AP_DataType> keylist, bool requestCurrent
             setDefaultRequest.want_reply = true;
             switch (keytypepair.second) {
                 case AP_DataType::Int:
+                case AP_DataType::Int64:
                 case AP_DataType::Double:
                     setDefaultRequest.operations = {{"default", &zero}};
                     setDefaultRequest.default_value = &zero;
@@ -860,6 +870,9 @@ bool parse_response(std::string msg, std::string &request) {
                     case AP_DataType::Int:
                         *((int*)target->value) = root[i]["keys"][itr].asInt();
                         break;
+                    case AP_DataType::Int64:
+                        *((int64_t*)target->value) = root[i]["keys"][itr].asInt64();
+                        break;
                     case AP_DataType::Double:
                         *((double*)target->value) = root[i]["keys"][itr].asDouble();
                         break;
@@ -886,6 +899,8 @@ bool parse_response(std::string msg, std::string &request) {
             if (setreplyfunc) {
                 int int_val;
                 int int_orig_val;
+                int64_t int64_val;
+                int64_t int64_orig_val;
                 double dbl_val;
                 double dbl_orig_val;
                 std::string raw_val;
@@ -899,7 +914,13 @@ bool parse_response(std::string msg, std::string &request) {
                         setreply.value = &int_val;
                         setreply.original_value = &int_orig_val;
                         break;
-                    case AP_DataType::Double:
+                    case AP_DataType::Int64:
+                        int64_val = root[i]["value"].asInt64();
+                        int64_orig_val = root[i]["original_value"].asInt64();
+                        setreply.value = &int64_val;
+                        setreply.original_value = &int64_orig_val;
+                        break;
+                   case AP_DataType::Double:
                         dbl_val = root[i]["value"].asDouble();
                         dbl_orig_val = root[i]["original_value"].asDouble();
                         setreply.value = &dbl_val;
diff --git a/Archipelago.h b/Archipelago.h
index a9f58c7..22034b1 100644
--- a/Archipelago.h
+++ b/Archipelago.h
@@ -169,7 +169,7 @@ enum struct AP_RequestStatus {
 };
 
 enum struct AP_DataType {
-    Raw, Int, Double
+    Raw, Int, Double, Int64
 };
 
 struct AP_GetServerDataRequest {