You get a real local wireless number. Access from browser or over API.
Many services check whether you have a VoIP number. We have non-VoIP USA numbers that will work with any service.
You're only charged once you receive the SMS code — a genuine one-time-use number every time.
You will only be charged for the number once you get the SMS code.
If you don't use the number in time, you get the money back and can try a different service or number.