Contact us

Email
help@dtmf.io
PGP key: D9B037210B948665

Telegram
@dtmfio

SMS
+44 7833 660994 (free from DTMF.io numbers)
Calls to this number will not be answered.

IRC
#dtmf on Freenode.

Priority live chat (for Pro & Business customers only)
If you have a Pro or Business account, you will find an icon at the bottom right of any page which you can use to contact us for priority support.