Has never worked for me, sadly.

i used it many times with no issue, but not recently. In case there are other options.

I use smspool and it works very well

nostr:nprofile1qqsqdh0ftupx3njqz29lw09xap2k0wzkw6yw55hjfhx4wd8803g09kgpz4mhxue69uhkummnw3e8yetvv9ujucm0d5hsz9thwden5te0wfjkccte9ejxzmt4wvhxjme0qy88wumn8ghj7mn0wvhxcmmv9u3sss4v offers the same service but they answer to support requests

I tried in the morning and failed, my sats were refunded later

They're working together with Blitz wallet: https://blitzwalletapp.com/pages/blog/anonymous-sms-with-blitz/