Direct Checkout Link
If you want to allow your buyers to go directly to the checkout page and skip the intermediary Payhip product page, you can construct URLs to do this for you.
Create a direct checkout link
Take the example of the following product page:
The unique key for the product is "RGsF"
To create a direct checkout link, simply use your product key as follows:
And that’s it! Of course you'll need to change the product key for different products.
This URL will take buyers directly to the checkout link where they can purchase through PayPal/Stripe.