VirtualSMS provides real SIM phone numbers for SMS verification and OTP receiving — built for developers and AI agents.
## The problem
Most SMS verification services run on VoIP numbers. Telegram, WhatsApp, Discord, Google, banks, and 2,500+ other services have learned to block VoIP. Your verification code never arrives.
## How VirtualSMS works
VirtualSMS routes codes through real mobile-network SIMs. When a code is sent to one of our numbers, it actually arrives — same delivery characteristics as a regular cell phone.
## For developers
A REST API handles the entire flow:
- Request a number for a specific service
- Poll for the incoming OTP
- Release the number when done
Documentation, code examples in multiple languages, and a free API key on signup are at virtualsms.io/docs.
## For AI agents
A dedicated MCP server is available at /sms-verification/mcp. Compatible with Claude Desktop, ChatGPT, and any MCP-aware AI agent client. Inside a single tool-call loop, an agent can request a number, wait for the SMS, read the code, and complete verification autonomously — no human in the loop.
## Coverage
- 145+ countries with local mobile-network numbers
- 2,500+ pre-mapped services including WhatsApp, Telegram, Google, Discord, Instagram, banking apps, dating apps, and crypto exchanges
## Practical details
- Codes typically arrive in 30 to 60 seconds
- Automatic refund if the code does not arrive
- Pay per rental, no subscription
- Crypto payments accepted
- No KYC required
## Use cases
Automated account creation, scraping pipelines, QA testing of authentication flows, agent-based workflows, and any production system that needs SMS verification on real carrier numbers.
