Real-SIM SMS verification for AI agents. Works on WhatsApp, Telegram, Google, and 2500+ other services where VoIP fails.

Most SMS-verification APIs hand AI agents VoIP numbers — and WhatsApp, Telegram, Google, Binance, and Uber filter them out before the OTP is ever sent. VirtualSMS runs real physical SIM cards on owned hardware across 145+ countries for 2500+ services, so the code actually arrives.

Built for AI agents from day one

• 🤖 MCP server, 18 tools — hosted at mcp.virtualsms.io/mcp or local via npx virtualsms-mcp

• 🔌 10 MCP clients tested: Claude Desktop, Claude Code, Cursor, Windsurf, OpenClaw, Codex, Hermes, Cline, Zed, Continue.dev

• 💸 Account-less x402 USDC on Base, Solana, and BNB Chain — agent settles a deposit, gets an API key + balance back. No signup, no email.

• 📡 REST + WebSocket API for the prepaid-key flow · from $0.05 per code · $2 minimum deposit

• ✅ 95%+ success rate on real-SIM activations · auto-refund if no SMS arrives in 20 min

• 🗺️ Machine-readable surfaces for LLM crawlers: /skill.md, /llms.txt, /.well-known/x402.json

For agent stacks that need real-SIM phone numbers to receive OTP codes — sign-up automations, two-factor auth, and account verification across WhatsApp / Telegram / Google / Uber / Binance and 2495 other services. Operating since 2022.

→ agents.virtualsms.io · virtualsms.io · github.com/virtualsms-io/mcp-server