Thanks for the feedback. As explained here, all HN readers can use it with a free coupon code. Our credit card payment system is based on stripe. We never get the raw CC data (this can be verified in the JS code). Any suggestions to make it look more legit?

i work in a digital marketing agency and we build hundrets of landing pages, some with payment integration and forms. ways we significantly improve fill out rates is by increasing trustworthiness and credibility:

good design, add a credible logos (of stripe and of the payment methods accepted), https, reliable 3rd party testimonials service.

thanks!