You can accept credit cards the way many modern businesses do without a merchant account: with a payment service provider.
PayPal, Square, and Stripe are the payment service providers (PSPs). In many cases, these processes in a lot easier way and cheaper than they usually used to be.
They similarly work to merchant accounts because they accept and hold the money from the credit cards. But the account can be managed entirely online. Plus they don’t charge monthly dues just for having an account and they usually process transactions in addition to holding the money.
How to accept credit card payments without a merchant account in stores? or Without a merchant account accepting payments in stores!?
Signing up is easy for modern point-of-sale systems like Square and Clover and it comes with all the hardware plus software you need to proceed with and with the transactions-cash and credit cards.
This simple system covers all of the needs of an in-person retail business and point of sale. The system consists of a credit card processor and a card reader.
They often accept credit cards via chip readers, payment readers, or other swipe methods. Formalities like authorizing a transaction by entering a specific PIN or identification number or offering the option to print out or email a receipt are usually drawn.
How to accept credit card payments without a merchant account online?

The easiest way for any retailer to accept payments for an online business is through a payment services provider just like PayPal, Shopify, Square, or Stripe. You do not have a terminal for the customers that they have to swipe the card, and you have to build payment processing into your website. A service provider is the easiest way to do that.
The most latest website builders, which include Squarespace, Kajabi, and Shopify, have a built-in integration with the PSP(payment service provider). The incorporation or integration has also been set to a limit for most builders. So you have to check-in for your available options before starting on your own site in case of a specific provider you want to access.
If the website of yours doesn’t incorporate well with the PSP, you do still have the opt to accept payments from the online storefront by linking to the account. Almost all the payment providers have the option “pay now” on the site that routes customers through their paying process, so one can put forward a fair shopping experience- but you may have to put in more work to stay on the peak of your inventory and orders.
According to the above-described techniques, you can easily seek out the answer to “How to accept credit card payments without a merchant account in stores or online”?
Moreover, You can also enter a customer’s credit card information or can attach a small card reader where the card can be swiped, just using a cell phone with a mobile payment processing app. It turns your cell phone into a POS.