The following parameters are currently supported to override element settings:

currency: Choose from usd, eur, aud, cad, cny, gbp, hkd, jpy, myr

amount: Enter any digital number.

quantity: Set the quantity for one-time type elements.

[name]: Set the product name for one-time type elements. Note that the brackets are required for this term.

metadata: Add metadata for the element.

price: Use only for price IDs created in the Stripe dashboard. Format the price as "price_xxx_xx".

Sample:

https://itstripe.com/demo/fixed-amount-button?currency=eur&amount=199&quantity=2&[name]=myproduct&metadata.order=1234&metadata.note=xxx