diff --git a/src/requesthandler/RequestHandler.cpp b/src/requesthandler/RequestHandler.cpp
index 60a24829..94bbe562 100644
--- a/src/requesthandler/RequestHandler.cpp
+++ b/src/requesthandler/RequestHandler.cpp
@@ -42,6 +42,7 @@ const std::map<std::string, RequestMethodHandler> RequestHandler::_handlerMap
 	{"GetInputKindList", &RequestHandler::GetInputKindList},
 	{"GetInputDefaultSettings", &RequestHandler::GetInputDefaultSettings},
 	{"GetInputSettings", &RequestHandler::GetInputSettings},
+	{"SetInputSettings", &RequestHandler::SetInputSettings},
 };
 
 RequestResult RequestHandler::ProcessRequest(const Request& request)
diff --git a/src/requesthandler/RequestHandler.h b/src/requesthandler/RequestHandler.h
index 7d2346b9..2c9bc493 100644
--- a/src/requesthandler/RequestHandler.h
+++ b/src/requesthandler/RequestHandler.h
@@ -56,6 +56,7 @@ class RequestHandler {
 		RequestResult GetInputKindList(const Request&);
 		RequestResult GetInputDefaultSettings(const Request&);
 		RequestResult GetInputSettings(const Request&);
+		RequestResult SetInputSettings(const Request&);
 
 		static const std::map<std::string, RequestMethodHandler> _handlerMap;
 };
diff --git a/src/requesthandler/RequestHandler_Inputs.cpp b/src/requesthandler/RequestHandler_Inputs.cpp
index 49076bdf..e5163e7d 100644
--- a/src/requesthandler/RequestHandler_Inputs.cpp
+++ b/src/requesthandler/RequestHandler_Inputs.cpp
@@ -44,9 +44,8 @@ RequestResult RequestHandler::GetInputDefaultSettings(const Request& request)
 {
 	RequestStatus::RequestStatus statusCode;
 	std::string comment;
-	if (!request.ValidateString("inputKind", statusCode, comment)) {
+	if (!request.ValidateString("inputKind", statusCode, comment))
 		return RequestResult::Error(statusCode, comment);
-	}
 
 	std::string inputKind = request.RequestData["inputKind"];
 
@@ -74,3 +73,42 @@ RequestResult RequestHandler::GetInputSettings(const Request& request)
 	responseData["inputKind"] = obs_source_get_id(input);
 	return RequestResult::Success(responseData);
 }
+
+RequestResult RequestHandler::SetInputSettings(const Request& request)
+{
+	RequestStatus::RequestStatus statusCode;
+	std::string comment;
+	OBSSourceAutoRelease input = request.ValidateInput("inputName", statusCode, comment);
+	if (!input)
+		return RequestResult::Error(statusCode, comment);
+
+	if (!request.ValidateObject("inputSettings", statusCode, comment, true))
+		return RequestResult::Error(statusCode, comment);
+
+	bool overlay = true;
+	if (request.RequestData.contains("overlay") && !request.RequestData["overlay"].is_null()) {
+		if (!request.ValidateBoolean("overlay", statusCode, comment)) {
+			return RequestResult::Error(statusCode, comment);
+		}
+
+		overlay = request.RequestData["overlay"];
+	}
+
+	// Get the new settings and convert it to obs_data_t*
+	OBSDataAutoRelease newSettings = Utils::Json::JsonToObsData(request.RequestData["inputSettings"]);
+	if (!newSettings)
+		// This should never happen
+		return RequestResult::Error(RequestStatus::RequestProcessingFailed, "An internal data conversion operation failed. Please report this!");
+
+	if (overlay)
+		// Applies the new settings on top of the existing user settings
+		obs_source_update(input, newSettings);
+	else
+		// Clears all user settings (leaving defaults) then applies the new settings
+		obs_source_reset_settings(input, newSettings);
+
+	// Tells any open source properties windows to perform a UI refresh
+	obs_source_update_properties(input);
+
+	return RequestResult::Success();
+}