TidePay
Principal

Access requires verification.

TidePay is in private review. Enter your principal email and we'll send a one-time code.

HTTP/1.1 402 Payment Required
WWW-Authenticate: x402 realm="principal"
Accept-Payment: email-otp

We'll email a six-digit code. Access is limited to a small list of principals; if you're not on it yet, reach out.