# SMS4Sats review: KYC policy, privacy and safety grades

> SMS4Sats is a phone number service. Its terms put it at KYC level 0 of 4: ID never required. NoKYC Score grades it 8.5/10 for privacy (excellent) and 4.6/10 for safety (caution). In its favour: no account needed, no email needed and no phone number. To watch: it has no publicly accountable operator. No incidents are on record.

Source: NoKYC Score, "SMS4Sats review", reviewed 22 Oct 2026, https://nokycscore.com/service/sms4sats

## Key facts
- **Category:** Phone Numbers & SMS
- **KYC level:** 0 of 4: ID never required
- **Grades:** Privacy 8.5/10, Safety 4.6/10
- **Sign-up:** No account needed
- **Onion address:** Yes
- **Incidents on record:** 0
- **Last reviewed:** 22 Oct 2026
- **Official website:** https://sms4sats.com

## What it is
SMS4Sats lets users receive SMS verification codes on temporary numbers without revealing their own phone number. The flow shown on the site is to choose a country and service, see the confirmed availability and price, pay a Lightning invoice and then reveal the number and incoming code. Longer rentals and an email-receiving option are also offered, along with an API. No account is created. The site publishes an onion address. Because numbers are shared, short-lived resources, some services may reject them, and the site confirms availability before an order is created.

## What the terms say about ID
No account exists; the only interaction is paying a Lightning invoice, so no identity data is collected.

## Features and warnings
- **Identity:** ID never required: yes; No account needed: yes; No email needed: yes; No phone number: yes
- **Payment:** Accepts Monero: not stated; Accepts Lightning: yes; Accepts cash: not stated
- **Access:** Tor onion address: yes; Works without JavaScript: not stated
- **Trust:** No-logs policy: not stated; Independent audit: not stated; Company named: no; 5+ years operating: not stated
- **Warnings:** May ask for ID: not in terms; Email required: not in terms; Phone number required: not in terms; Nobody accountable: yes

## Questions
### Does SMS4Sats require KYC?
SMS4Sats is rated KYC level 0 of 4 on this site: ID never required. No account exists; the only interaction is paying a Lightning invoice, so no identity data is collected.

### Is SMS4Sats safe to use?
SMS4Sats has a Safety grade of 4.6 out of 10 and a Privacy grade of 8.5 out of 10. No incidents are on record. Evidence level: documentation reviewed.

### Is SMS4Sats legit?
SMS4Sats is a working phone number service. Its operators do not publish a company or names, so nobody is publicly accountable for it. Being real is not the same as being safe: its Safety grade here is 4.6 out of 10, built from custody, liquidity, track record and incidents.

### Is SMS4Sats a scam?
NoKYC Score does not label services as scams; it records documented incidents with their sources and outcomes. No incidents are on record for SMS4Sats.

### Do I need an account or email to use SMS4Sats?
No account needed.

### Does SMS4Sats have a Tor onion address?
Yes. SMS4Sats publishes an official onion address, shown on this page. Open it in Tor Browser.

### Which cryptocurrencies does SMS4Sats support?
SMS4Sats supports BTC.

### Can I use SMS4Sats over Tor?
Yes. SMS4Sats publishes an official onion address, shown on this page.

## Sources
- https://sms4sats.com

How grades are calculated: https://nokycscore.com/methodology