I thing you should pay attention on these points:
1. Know what credit card types you want to accept at your business.
2. Understand the associated fees.
3. Find a payment option(s) that is best suited for your business.
4. Determine whether your business is low-risk or high-risk
Good evening, there are no problems in opening an online merchant account, you just need to use the services of a payment gateway provider MaxPay( https://maxpay.com/mid.html ). Also if you need payment solutions that would be secure, stable, sustainable and could handle a large volume of payments for the growth and development of your business, they will organize everything.