diff --git a/src/coinbase/types.ts b/src/coinbase/types.ts
index 264b079b..978a5e30 100644
--- a/src/coinbase/types.ts
+++ b/src/coinbase/types.ts
@@ -2,12 +2,20 @@ import { AxiosPromise } from "axios";
 import { User as UserModel } from "./../client/api";
 
 /**
- * UserAPI client type definition
+ * UserAPI client type definition.
+ * Represents the client for User API interactions.
+ * @typedef {Object} UserAPIClient
+ * @property {function} getCurrentUser - Retrieves the current user.
+ * @property {Object} [options] - Axios request options.
+ * @returns {AxiosPromise<UserModel>} - A promise resolving to the User model.
  */
 export type UserAPIClient = { getCurrentUser(options?): AxiosPromise<UserModel> };
 
 /**
- * API clients type definition for the Coinbase SDK
+ * API clients type definition for the Coinbase SDK.
+ * Represents the set of API clients available in the SDK.
+ * @typedef {Object} ApiClients
+ * @property {UserAPIClient} [user] - The User API client.
  */
 export type ApiClients = {
   user?: UserAPIClient;