BOCHK AI Payment MCP Demo

Base URL
https://td-pay.online

Authoritative discovery endpoints
https://td-pay.online/.well-known/x402.json
https://td-pay.online/api/services

Login flow
1) POST /api/auth/start-login {email}
2) POST /api/auth/verify-otp {challenge_id, otp_code}

Paid call (x402-compatible)
1) POST /x402/service/{service_id} {session_id, prompt} -> 402 payment requirement (+ invoice_id header)
2) POST /api/pay {session_id, invoice_id} -> payment_otp_required
3) POST /api/payment/verify-otp {challenge_id, otp_code} -> verified
4) POST /api/pay {session_id, invoice_id} -> paid
5) Retry POST /x402/service/{service_id} with invoice_id -> 200 result

Notes
- Use https://td-pay.online.
- If you see Session not found or login_required, re-run login flow.