{"name":"BTCPay Middleware API","version":"2.0.0","endpoints":{"GET /health":"Health check endpoint","GET /metrics":"Redis Stream metrics endpoint","POST /create_invoice":"Create a new invoice","GET /invoice/{invoice_id}":"Get invoice details","GET /invoice/{invoice_id}/status":"Get simplified invoice status","POST /webhook":"Handle BTCPay Server webhooks","POST /test-webhook":"Test endpoint for webhook simulation"},"redis_stream":{"name":"btcpay_events","description":"All events are published to this Redis Stream"}}