Here are some of the major payment gateway Thailand service providers:
2C2P: A leading payment gateway provider in Thailand and the broader Southeast Asian region, offering a wide range of payment solutions.
Omise: Omise provides payment gateway Thailand services with a strong presence in Thailand and other Southeast Asian countries.
PayPal: While PayPal is an international payment gateway, it is widely used by e-commerce businesses in Thailand for international transactions.
BillPay: TrueMoney's BillPay service allows businesses to accept online payments in Thailand.
PayCly: one of the most renowned Southeast Asian payment gateway providers, has a solid presence in Thailand. Also, it is counted among the top credit card payment gateway providers in the country.
Stripe: Stripe is another payment gateway that is popular among businesses in Thailand and can handle online payments.
In terms of online local payment methods, bank transfers, mobile payments, e wallets such as truemoney and rabbit line Pay, credit card payments, and more are the most popular in thailand.