Research agent hits a Perplexity paywall mid-task. It checks its PQSafe budget, pays $20 autonomously, and continues — no human logs in. ML-DSA-65 post-quantum signing runs in your browser. No install. No account. ~12 seconds.
The ML-DSA-65 keypair generation and signing above are 100% real
— powered by @noble/post-quantum
(NIST FIPS 204, running in your browser via WebAssembly-free pure JS).
The Airwallex charge is a recorded sandbox receipt
(UUID 38873dbc-abfa-4ab5-be25-050496d4a0c3).
The virtual card issuance uses the Airwallex Issuing API shape — in the CLI demo
(npx tsx demo-saas/demo.ts) the same flow runs against a real
sandbox and returns a live transaction ID every time.
See DEMO_RECEIPTS.md
for verified sandbox UUIDs. Every developer building an AI agent has hit this exact moment — their agent needed a paid API and they had to manually top it up. PQSafe removes that friction permanently.