diff --git a/src/IAManager.ts b/src/IAManager.ts
index a2fbbfc..304d06a 100644
--- a/src/IAManager.ts
+++ b/src/IAManager.ts
@@ -1,17 +1,81 @@
 import axios from "axios";
+import {IAUser} from "./types/IAUser";
+import {Identifier} from "./utils/IdentifierConstructor";
 
-export default class IAManager {
+export class IAManager {
     token: string | undefined;
     URL = "https://api.thundernetwork.org";
-    
+
+    /**
+     * Constructor for IAManager class.
+     *
+     * @param {string} customURL - The custom URL to use.
+     * @param {string | undefined} token - The token to authenticate.
+     */
     constructor(customURL: string, token: string | undefined) {
         this.URL = customURL || this.URL;
         this.token = token;
     }
 
+    /**
+     * Asynchronously retrieves the number of users from the IA API.
+     *
+     * @return {Promise<number>} The number of users.
+     * @throws {Error} If the API request fails or returns a 404 status.
+     */
+    async userNumber() {
+        let req = await axios.get(`${this.URL}/IA`);
+        if (req.status == 404) throw new Error("Something went wrong");
+        return parseInt(req.data.number);
+    }
+
+    /**
+     * Retrieves a user from the IA API.
+     *
+     * @param {string|number} id - The ID of the user.
+     * @return {Promise<IAUser>} The user object.
+     * @throws {Error} If the API request fails or returns a 404 status.
+     */
     async get(id: string|number) {
         let req = await axios.get(`${this.URL}/IA/${id}`);
         if (req.status == 404) throw new Error("User not Found");
-        return req.data.user;
+        return new IAUser({
+            id: req.data.id,
+            username: req.data.username,
+            permissions: req.data.permissions,
+            credits: req.data.credits,
+            language: req.data.language
+        });
+    }
+
+    /**
+     * Searches for a user by their identifier.
+     *
+     * @param {Identifier} identifier - The identifier to search for.
+     * @return {Promise<string>} The ID of the user.
+     * @throws {Error} If the API request fails or returns a 404 status.
+     */
+    async search(identifier: Identifier) {
+        let req = await axios.get(`${this.URL}/IA?searchByIdentifier=${identifier.asString()}`);
+        if (req.status == 404) throw new Error("Something went wrong");
+        return String(req.data.id);
+    }
+
+    /**
+     * Asynchronously creates a new user in the IA API.
+     *
+     * @param {string} username - The username of the user.
+     * @param {string} password - The password of the user.
+     * @param {Identifier} identifier - The identifier of the user.
+     * @return {string} The ID of the newly created user.
+     */
+    async create(username: string, password: string, identifier: Identifier) {
+        let req = await axios.post(`${this.URL}/IA}`,
+            {
+                username,
+                password,
+                identifier
+            });
+        return req.data.id;
     }
 }
\ No newline at end of file