With a huge range of features included out-of-the-box and over 13 000+ additional extensions available to download
PayPal Commerce Platform Integration
FREE
Yuansfer Wallet Payments
Mollie - Effortless payments
Square Payments - OpenCart Integration
Cryptocurrency via NetCents
Razorpay (OpenCart 3.x.x)
PayTR Sanal POS - iFrame API
Paylike Payment Gateway Extension for OpenCart
Stripe Gateway PRO :: Apple Pay :: SCA :: 3D Sec..
Stripe Checkout :: ApplePay / Cards / SEPA / EU ..
ZarrinPal Payment for OpenCart 3
Best Payment Extension for Opencart 2.3.x
onepage-opencart3.0
ZoodPay Buy Now Pay Later
Nexi XPay
MyFatoorah - Payment
Digilirapay - Blokzincir Ödeme Geçidi
Zip
Bitcoin and Altcoin Payment Gateway by Bitpace
Instamojo - Indian Payment Gateway