Contact Support

A real person reads and answers every message — usually within 24 hours, often much faster.

Email us

For questions about your account, payments, refunds, or SMS delivery. Writing in English gets you the fastest answer.

Help us solve it in one reply

Add these details to your message and most problems are fixed in the first answer:

The email address of your SMSZ account
The phone number you bought and the service it was for (for example: Telegram, UK)
When it happened, and your timezone
For payment problems: the transaction ID, or the amount and coin you sent

Before you write

Two things fix themselves. If an SMS never arrived, the order cancels on its own and the money returns to your balance. And crypto deposits show up after the network confirms them, which can take a few minutes depending on the coin. For everything else:

Read the FAQ Payment & Refund Policy How it works