OTPZap Blog

Tutorials, tips, and guides about cheap SMS OTP and virtual phone numbers.

Tutorials

Register Discord with a Virtual Number

Tutorial for verifying Discord with a virtual number - bypass phone-required regions.

Apr 22, 2026 · OTPZap Team
Use Cases

Verify Twitch for Streamers with a Virtual Number

How to enable Twitch 2FA with a virtual number for professional streamer accounts.

Apr 21, 2026 · OTPZap Team
Tutorials

How to Register Snapchat with a Virtual Number

Tutorial to create Snapchat account with a virtual number - for content or anonymous accounts.

Apr 20, 2026 · OTPZap Team
Use Cases

Verify LinkedIn for Company Accounts

How to verify LinkedIn company accounts with a virtual number for B2B marketing.

Apr 19, 2026 · OTPZap Team
Tutorials

Verify PayPal with an Indonesian Virtual Number

How to confirm PayPal phone with a virtual number - avoid bans and get international access.

Apr 18, 2026 · OTPZap Team
Guides

SMS OTP vs Voice Call OTP: Which Is Safer?

Compare SMS OTP and voice call OTP for security, speed, and reliability.

Apr 17, 2026 · OTPZap Team
Security

SMS OTP vs TOTP Google Authenticator: Which Is Safer?

Why TOTP (Google Authenticator) is safer than SMS OTP, and when to use which.

Apr 16, 2026 · OTPZap Team
Security

SIM Swap Attack: What It Is and How to Prevent It

Complete explanation of SIM swap attacks, real cases in Indonesia, and protection steps.

Apr 15, 2026 · OTPZap Team
Security

OTP Phishing: Tips to Avoid Online Scams

How to recognize and avoid OTP phishing scams that are increasingly common in Indonesia.

Apr 14, 2026 · OTPZap Team
Developer

Setting Up OTPZap Webhooks for Real-Time Notifications

Tutorial for setting up OTPZap webhooks so OTPs are pushed to your app automatically without polling.

Apr 13, 2026 · OTPZap Team
Comparison

OTPZap vs Competitors: Feature and Price Comparison

Objective comparison of OTPZap with other virtual OTP services in Indonesia - features, pricing, and reliability.

Apr 12, 2026 · OTPZap Team
Use Cases

Growth Hacking Strategies with Bulk OTP

How growth hackers use bulk OTP for accelerating user acquisition and testing.

Apr 11, 2026 · OTPZap Team