diff --git a/ffi/src/plugin.rs b/ffi/src/plugin.rs
index 125b10f..fa79063 100644
--- a/ffi/src/plugin.rs
+++ b/ffi/src/plugin.rs
@@ -484,6 +484,30 @@ pub unsafe extern "C" fn esp_plugin_is_valid_as_light_plugin(
     .unwrap_or(ESP_ERROR_PANICKED)
 }
 
+#[no_mangle]
+pub unsafe extern "C" fn esp_plugin_is_valid_as_medium_plugin(
+    plugin_ptr: *const Plugin,
+    is_valid: *mut bool,
+) -> u32 {
+    panic::catch_unwind(|| {
+        if plugin_ptr.is_null() || is_valid.is_null() {
+            error(ESP_ERROR_NULL_POINTER, "Null pointer passed")
+        } else {
+            let plugin = &*plugin_ptr;
+
+            match plugin.is_valid_as_medium_plugin() {
+                Ok(x) => {
+                    *is_valid = x;
+                    ESP_OK
+                }
+                Err(e) => handle_error(e),
+            }
+        }
+    })
+    .unwrap_or(ESP_ERROR_PANICKED)
+}
+
+
 #[no_mangle]
 pub unsafe extern "C" fn esp_plugin_is_valid_as_override_plugin(
     plugin_ptr: *const Plugin,
diff --git a/ffi/tests/ffi.cpp b/ffi/tests/ffi.cpp
index 1e0e524..93d4d0e 100644
--- a/ffi/tests/ffi.cpp
+++ b/ffi/tests/ffi.cpp
@@ -311,6 +311,23 @@ void test_esp_plugin_is_valid_as_light_plugin() {
   esp_plugin_free(plugin);
 }
 
+void test_esp_plugin_is_valid_as_medium_plugin() {
+  printf("testing esp_plugin_is_valid_as_medium_plugin()...\n");
+  Plugin * plugin;
+  auto return_code = esp_plugin_new(&plugin, ESP_GAME_STARFIELD, "../../testing-plugins/Starfield/Data/Blank.medium.esm");
+  assert(return_code == ESP_OK);
+
+  return_code = esp_plugin_parse(plugin, true);
+  assert(return_code == ESP_OK);
+
+  bool is_valid;
+  return_code = esp_plugin_is_valid_as_medium_plugin(plugin, &is_valid);
+  assert(return_code == ESP_OK);
+  assert(is_valid);
+
+  esp_plugin_free(plugin);
+}
+
 void test_esp_plugin_is_valid_as_override_plugin() {
   printf("testing esp_plugin_is_valid_as_override_plugin()...\n");
   Plugin * plugin;
@@ -349,6 +366,7 @@ int main() {
   test_esp_plugin_records_overlap_size();
   test_esp_plugin_is_valid_as_light_master();
   test_esp_plugin_is_valid_as_light_plugin();
+  test_esp_plugin_is_valid_as_medium_plugin();
   test_esp_plugin_is_valid_as_override_plugin();
 
   printf("SUCCESS\n");