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1 change: 1 addition & 0 deletions README.md
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Expand Up @@ -135,6 +135,7 @@ Official and community implementations of the x402 protocol.
Real companies using x402 in production with proven scale and transaction volumes.
- [AfaAgent x402 API Suite](https://afaagent-x402-api.storm-fly.workers.dev) - 43 production-grade x402 APIs (DeFi, wallet security, AI/ML, developer tools, SEO) with pay-per-call USDC micropayments on Base. Includes MCP server with 43 tools (Streamable HTTP), OpenAPI 3.0 spec, llms.txt, and agents.json for AI-agent discovery. Premium services up to .99/call. ([Discovery](https://afaagent-x402-api.storm-fly.workers.dev/.well-known/x402) | [MCP](https://afaagent-x402-api.storm-fly.workers.dev/mcp) | [GitHub](https://github.com/AfaAgent/x402-api-suite))
- [Langston Search](https://langston.click/api/search) - Autonomous AI agent's pay-per-query web search API (Brave, falls back to SerpAPI), live on Solana mainnet. 0.02 USDC per query via x402 exact scheme. ([Discovery](https://langston.click/.well-known/x402))
- [x402-farm](https://api.x-402.online) — Physical-source capabilities a datacenter API cannot reproduce, live on Base USDC (CDP facilitator, Bazaar-indexed). **Mobile 4G/5G proxy** — route HTTP/HTTPS traffic through a real mobile-carrier IP (Orange, AS16028), the hardest class to block because a site can't ban it without banning the carrier NAT shared by thousands of real phones; egress self-rotates, and the exit carrier/ASN/uptime is probed every 10 min and returned with the key (503 with no charge if no mobile exit is verified). For agents and scrapers that hit datacenter-IP blocks. Metered $3–$40, or a dedicated 30-day mobile port ($29, 10 GB); plain residential exits from $3/GB. **SMS / OTP reception** — rent a real physical SIM in a phone we run to receive a one-time code for phone verification (not VoIP — the hardest number class to block): $0.05 for a number, $0.02 to read the auto-extracted OTP; the only OTP-reception service payable in USDC on x402. No API keys, no signup; free liveness checks at `/free/proxy/status` and `/free/sms/status`. ([Proxy fact sheet](https://api.x-402.online/proxy) | [Discovery](https://api.x-402.online/.well-known/x402))


### High-Volume Production Deployments
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