{"message":"CPay Middleware - Crypto Payment Processing","version":"1.0.0","endpoints":{"clickpesa_webhook":"POST /webhook/clickpesa","cpay_webhook":"POST /webhook/cpay","health":"GET /health"},"features":["ClickPesa webhook integration (BUY: Payment → Crypto)","Automated crypto withdrawal (BUY: USDT TRC20/BEP20)","Automated crypto deposit detection (SELL: Crypto → Fiat payout)","Rate limiting (20 requests/minute)","Origin tracking and logging","Transaction and transfer tracking"]}