Frequently Asked Questions
Everything you need to know about INS free SMS verification, virtual numbers, API and carrier connections.
Is INS really 100% free?
Yes. INS provides free virtual numbers, free SMS traffic, and free API/SMPP access. We earn revenue from carrier termination on the traffic you send — not from users.
How fast do OTPs arrive?
Average delivery is under 5 seconds through direct carrier interconnects. 99.9% of SMS arrive within the first delivery attempt.
Which platforms are supported?
500+ services including Facebook, Google, WhatsApp, Telegram, TikTok, Instagram, Discord, Amazon, PayPal, Apple ID, Microsoft, Binance, Coinbase and many more.
How many countries do you cover?
We cover 100+ countries across every populated continent — USA, UK, India, Bangladesh, Indonesia, Philippines, Russia, Germany, Brazil, and dozens more.
Do you offer an API?
Yes. We provide a full REST API with JSON responses and real-time webhooks. Free SMPP binds are also available for carriers and aggregators.
Can I send bulk SMS through INS?
Yes. Our Bulk SMS service delivers high-volume outbound messages — transactional and marketing — through our carrier gateway.
How do I sign up?
Just visit our Customer Portal, create a free account, and start receiving SMS in minutes. No credit card, no subscription.
Do you support enterprise customers?
Yes. We provide dedicated numbers, SLA-backed uptime, priority routing, and dedicated account management for enterprise clients — all free of charge.