Twilio

You get 15$ for testing
  1. Signup for Twilio. Use below link to get 10$ on your first spending
    Signup
  2. Quickly setup your account & skip to dashboard.
  3. Click on "Get a Trial Number".
  4. From your dashboard, copy "Account SID, Auth Token, Trial Number" to your mobile login service settings.
  5. If you're still on a Trial account, you need to verify phone number where you want to receive SMS for testing. You can add numbers here
    Verfied Numbers