Customer Reviews
Verified feedback from developers, businesses, and privacy-conscious users worldwide.
Instant WhatsApp OTP delivery on US carrier
Needed a clean USA number for my WhatsApp business backup. Code arrived in less than 7 seconds right on screen. Incredible speed and zero hassle!
Glad to hear that Marcus! Our Tier-1 US GSM routes are optimized specifically for instant WhatsApp delivery.
Best platform for OpenAI / ChatGPT accounts
OpenAI is extremely aggressive against virtual numbers and VoIP. Tried 4 other websites before this and all were rejected. QuackSMS worked on the first try!
Thank you Dr. Rostova! We maintain dedicated non-VoIP physical SIM ranges to bypass strict AI fraud checks.
Bulk Telegram channel setup was a breeze
Managed to activate 15 Canadian Telegram channels for our marketing agency in under 15 minutes. Smooth API and the Replace Number button is super handy.
Signal & Telegram verified with zero issues
Protecting personal privacy while communicating online is essential for me. Got a temporary number, received SMS, registered smoothly. Peace of mind guaranteed.
Took 2 minutes for French carrier, but worked!
Slight delay on French Bouygues carrier during peak evening hours, but code arrived safely at 2m 14s. Balance is safe with the auto-refund guarantee anyway.
Thanks Antoine! Peak European telecom hours can occasionally cause slight carrier queuing. We've added more backup lines for France.
Discord developer verification passed
Needed a mobile line to verify our bot hosting server on Discord. Code extracted cleanly into clipboard with one click. Awesome UX!
The Replace Number button saved my day
First number didn't receive code within 3 minutes, clicked 'Replace Number' and got a new fresh line right away without re-paying. Brilliant feature.
14-day Rental line for WhatsApp Business
Using the 14-day rental duration for client communication while travelling in Asia. Unlimited incoming SMS worked flawlessly all two weeks.
Disposable Email Activations are so useful!
Tried the new Email Activations feature for Outlook and Hotmail mailboxes. Verified my web accounts in seconds. Great addition alongside SMS numbers.
Muito obrigado Mateo! We just launched email activations and are expanding available domains daily.
Seamless Crypto Deposit & Fast Provisioning
Topped up using USDT on TRC20, funds showed up in 30 seconds with 0 extra fees. Purchased a number and verified Steam right away.