diff --git a/src/models/entities/Auth.ts b/src/models/entities/Auth.ts
new file mode 100644
index 0000000..75ed27c
--- /dev/null
+++ b/src/models/entities/Auth.ts
@@ -0,0 +1,21 @@
+/**
+ * Defines a auth object
+*/
+export class Auth {
+  /**
+  * access_token - JWT shortterm access token
+  */
+  access_token: string;
+  /**
+  * refresh_token - longterm refresh token (used for requesting new access tokens)
+  */
+  refresh_token: string;
+  /**
+  * access_token_expires_at - unix timestamp of access token expiry
+  */
+  access_token_expires_at: number;
+  /**
+  * refresh_token_expires_at - unix timestamp of access token expiry
+  */
+  refresh_token_expires_at: number;
+}