diff --git a/src/main/java/CredentialInterface.java b/src/main/java/CredentialInterface.java
new file mode 100644
index 0000000..f6e0ead
--- /dev/null
+++ b/src/main/java/CredentialInterface.java
@@ -0,0 +1,11 @@
+public interface CredentialInterface {
+
+    public void show();
+    public void edit();
+    public void delete();
+    public void getCredentials();
+    public void setCredentials();
+    public void getAsJSON();
+    public void loadCredentialsFromJSON();
+
+}