Virtual phone numbers for SMS verification AND long-term rental — 190+ countries × 1000+ services, seed-phrase auth, 14 crypto rails (BTC, XMR, USDC...) and a public agent-purchasable API (MCP, REST) for AI clients.
SimSms
Virtual numbers for SMS verification and 7-to-30-day rentals across 145 countries, plus dedicated 5G mobile proxies on named carriers. Email-only sign-up, crypto payment, and unused codes are never charged.
MoneroSMS
US virtual phone numbers for SMS verification, paid in Monero or Bitcoin — no signup, no KYC, with an open-source CLI client and a Tor onion mirror operated by VoidNetwork.