# NumberOTP

> Virtual phone numbers for SMS verification and OTP — 1,500+ platforms, 190+ countries, instant delivery via API or dashboard.

NumberOTP provides real SIM-backed, non-VoIP virtual phone numbers for receiving SMS verification codes on major platforms including WhatsApp, Google, Telegram, Facebook, Instagram, Amazon, Apple, Discord, TikTok, and 1,500+ others. Pay per activation, with an automatic refund if no SMS arrives. New accounts get $0.10 in free credit.

## Core Product

- **Virtual Phone Numbers**: Temporary and rented virtual numbers for OTP/SMS verification
- **Coverage**: 190+ countries, non-VoIP numbers accepted by major platforms
- **Delivery**: Instant SMS delivery, 99% OTP delivery rate
- **API**: Developer-friendly REST API for programmatic number provisioning
- **Dashboard**: Web-based dashboard for manual use

## API

- [API reference](https://www.numberotp.com/docs/api)
- [OpenAPI 3.1 specification](https://www.numberotp.com/openapi.yaml)
- [API playground](https://www.numberotp.com/api-playground)
- Public, no-auth endpoints: `/v1/public/services`, `/v1/public/countries`, `/v1/public/prices`
- Authenticated: `POST /v1/activations` with a Bearer API key

## Supported Platforms (OTP Pages)

- [WhatsApp](https://www.numberotp.com/otp/whatsapp)
- [Google](https://www.numberotp.com/otp/google)
- [Telegram](https://www.numberotp.com/otp/telegram)
- [Facebook](https://www.numberotp.com/otp/facebook)
- [Instagram](https://www.numberotp.com/otp/instagram)
- [Amazon](https://www.numberotp.com/otp/amazon)
- [Apple/iCloud](https://www.numberotp.com/otp/apple)
- [Walmart](https://www.numberotp.com/otp/walmart)
- [Discord](https://www.numberotp.com/otp/discord)
- [TikTok](https://www.numberotp.com/otp/tiktok)

## Key Pages

- [Homepage](https://www.numberotp.com)
- [Services](https://www.numberotp.com/services)
- [Pricing](https://www.numberotp.com/pricing)
- [Real SIM vs VoIP numbers](https://www.numberotp.com/real-sim-vs-voip)
- [API documentation](https://www.numberotp.com/docs)
- [Browser extension for Chrome, Edge and Firefox](https://www.numberotp.com/browser-extension) ([guide](https://www.numberotp.com/docs/browser-extension))
- [FAQ](https://www.numberotp.com/faq)
- [Blog](https://www.numberotp.com/blog)

## Guides

- [What is an OTP number?](https://www.numberotp.com/blog/what-is-an-otp-number-complete-guide-2026)
- [VoIP vs real phone number: what apps actually check](https://www.numberotp.com/blog/voip-vs-real-phone-number)
- [Why SMS verification costs so much](https://www.numberotp.com/blog/why-sms-verification-costs-so-much)
- [10 best virtual number services for OTP (2026)](https://www.numberotp.com/blog/best-virtual-number-services-for-otp)
- [Temporary phone number for OTP in India](https://www.numberotp.com/blog/temporary-phone-number-india-otp)
- [How to rent a virtual phone number for OTP verification](https://www.numberotp.com/blog/how-to-rent-a-virtual-phone-number-for-otp-verification)

## Contact

- [Contact](https://www.numberotp.com/contact)
- [Signup](https://www.numberotp.com/signup)