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Compare 4 SMS services
authsms.net, OnlineSim, HotTelecom, SMSPing side by side — on the facts each one publishes and our team checks. Checked November 4, 2026.
| 4 SMS services | Visit site | Visit site | Visit site | Visit site |
|---|---|---|---|---|
| Numbers | ||||
| One-time activations | Yes | Yes | Yes | Yes |
| Rent a number | Yes | Yes | Yes | No |
| Real SIM | Yes | No | No | No |
| Countries | 180+ | 110+ countries | 90+ countries | 150+ |
| Services | 700 | 1000+ services | — | — |
| For your software | ||||
| API | SMS-Activate compatible | Own API | — | — |
| Top up with | ||||
| Crypto | Yes | — | Yes | Yes |
| Bank cards | Yes | — | No | No |
| Track record | ||||
| Trust Score | 22 / 100 · Weak | 40 / 100 · Guarded | 40 / 100 · Guarded | 12 / 100 · Weak |
| On the market since | 2026 | 2018 | 2008 | 2026 |
| Reviews on smm.guide | No reviews yet | No reviews yet | No reviews yet | No reviews yet |
| Owner | Yes | Not claimed yet | Not claimed yet | Yes |
the better figure in the row— not confirmed yet · facts from each sms service's own site and our team
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