Guides
Step-by-step guides on virtual numbers, SMS verification, privacy and the API.
How to Set Up a Second WhatsApp Account
Separate work and personal chats: options for a second WhatsApp account on one phone, and how to verify it with a virtual number.
Oct 27, 2026 · 2 min readAutomating SMS Verification With an API (Developer Guide)
Buy numbers, poll for codes and handle refunds programmatically with the REST API or the SMS-Activate compatible endpoint.
Oct 24, 2026 · 2 min readHow to Protect Your Phone Number Online
Your phone number is a key to your accounts. Practical steps to limit spam, SIM-swap risk and data leaks.
Oct 21, 2026 · 2 min readVerification SMS Not Received? 9 Fixes That Work
Why verification codes sometimes do not arrive on virtual numbers and what to do, from choosing a country to retrying the right way.
Oct 18, 2026 · 2 min readHow to Sign Up for Telegram Without Your Personal Number
A step-by-step guide to verifying a Telegram account with a virtual number, plus privacy settings to switch on afterwards.
Oct 15, 2026 · 2 min readWhat Is a Virtual Phone Number for SMS Verification?
How virtual numbers work, when to use one instead of your personal SIM, and what to check before you buy.
Oct 12, 2026 · 2 min read