If you can not see the payment providers you need to ensure that the company_id matches the company id you have set in Odoo. Say if you have multiple companies and you are in company 2 then ensure on the database table payment_providers the company_id is set to 2 then you will see the providers.

Hi,

Refer to the following for managing the payment provider,

* https://www.cybrosys.com/blog/how-to-configure-payment-providers-and-payment-methods-on-the-odoo-17-website

* https://www.cybrosys.com/odoo/odoo-books/odoo-book-v16/accounting/payments-providers/

Hope it helps