Here is alternative with Twilio

Install these package

Create service to start and check verification in app/Services/Twilio/Verification.php

https://github.com/TwilioDevEd/verify-v2-quickstart-php/blob/next/app/Services/Twilio/Verification.php

To send message follow instructions in

https://github.com/laravel-notification-channels/twilio

In PhoneController.php

    public function updatePhone(Request $request)
    {
        $request->validate([
            'phone' => ['required','integer', new Phone],
        ]);

        auth()->user()->phone_verified = false;
        $checkPhone = (new \App\Services\Twilio\Twilio)->startVerification('+' . $request->phone,'sms');

        if ($result->isValid()) {
            auth()->user()->update(['phone' => $request->phone]);
            return response()->json(['success' => 'Phone number successfully Saved'], 200);
        } else {

            return response()->json(['error' => $checkPhone->getErrors()], 403);
        }
    }

    public function verifyPhone(Request $request) {
        $this->validate($request, [
            'code' => 'size:6',
        ]);

        $result = (new \App\Services\Twilio\Twilio)->checkVerification('+' . auth()->user()->phone, $request->code);

        if($result->isValid()) {
            auth()->user()->phone_verified = true;
            auth()->user()->save();

            return response()->json(['success' => 'Phone number successfully Verified'], 200);
        } else {
            return response()->json(['error' => 'incorrect pin number try again or request a new verification number'], 403);
        }

    }

Here you can test the app. https://www.twilio.com/console/api-explorer/sms/messages/create

Send SMS Notifications in 5 Minutes

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