diff --git a/libcredit_mobile.lua b/libcredit_mobile.lua
index eeae436..c569eeb 100644
--- a/libcredit_mobile.lua
+++ b/libcredit_mobile.lua
@@ -31,6 +31,41 @@ local function sendRequestAndWaitForReply(messageTable, replyHandler, timeout)
     return replyReceived
 end
 
+function M.createAccount(username, associatedDevice, callback)
+    if type(username) ~= "string" or #username == 0 then
+        error("Username must be a non-empty string.", 2)
+    end
+    if type(callback) ~= "function" then
+        error("Callback must be a function.", 2)
+    end
+    if associatedDevice and type(associatedDevice) ~= "number" then
+        error("Associated device must be a number if provided.", 2)
+    end
+
+    local message = {
+        type = "createAccount",
+        user = username
+    }
+    if associatedDevice then
+        message.associatedDevice = associatedDevice
+    end
+
+    return sendRequestAndWaitForReply(message, function(reply)
+        if reply.type == "accountCreationConfirmation" and reply.user == username then
+            if reply.status == "success" then
+                print("Account '" .. username .. "' created successfully. New credit: " .. tostring(reply.newCredit))
+                callback(true, reply.newCredit)
+            else
+                print("Account creation failed for '" .. username .. "'. Reason: " .. tostring(reply.reason))
+                callback(false, reply.reason)
+            end
+        else
+            print("Unexpected reply for createAccount request: " .. textutils.serialiseJSON(reply))
+            callback(false, "unexpected_reply")
+        end
+    end)
+end
+
 function M.getCredit(username, callback)
     local message = {
         type = "getCredit",