About us
What this demo is
QuantumRamp is a card payment demo powered by Quantum Processing API v1.50 — PCI DSS iframe checkout, 3-D Secure, and signed status callbacks.
Payment scope
All flows operate on fiat card rails through Quantum. This demo does not execute blockchain transfers or crypto exchange.
For merchants
Use the sandbox console to test every endpoint, inspect callbacks, and validate integration before production credentials.
Contact support@quantumramp.io