Embedding a paypal button in Coda

Can we embed a Paypal payment button in Coda to make a page which is secretly accessible by selected vendors ? I want to import some code from paypal to make it work here. Possible ?

Dear @Puneet_Aggarwal, great to have you in the Coda community, welcome :+1:

More people have asked for paypal and I recommend to upvote this here: