Hi @princepsbruno,
I am not too sure if you need the details anymore? but below is the explanation
Return Url(required) = what page the customer goes after completing payment? After payment completion or clicking cancel on the hosted page, the user would be redirected to this URL on your website
2. Content Template Url(required) = The payment page template, this URL is used by chase to render the payment screen on their website
3. Hosted Secure ID(required) = This is provided by Chase and used for authentication purpose along with the combination of Secured API token
4. Hosted Secure API Token(required) = This is provided by Chase and used for authentication purpose along with the combination of Secured ID
Thanks.