K Payment Gateway (KBank)
Kasikornbank's application-based online payment gateway for Thai merchants
K Payment Gateway is Kasikornbank's own online payment gateway for Thai merchants, supporting cards, Thai QR/PromptPay, Alipay, WeChat Pay and installment plans via K-Pay Button or a direct API. It does not publish a fixed transaction fee — Thai merchants apply through KBank's K-Merchant channel and receive a negotiated rate, an approval process KBank describes as taking about three weeks.
- ✓Backed directly by one of Thailand's largest banks, useful if you already hold a KBank business account
- ✓Built-in installment payment plans at checkout
- ✓Supports Alipay and WeChat Pay alongside domestic rails
- ×No published MDR — every merchant must apply and negotiate a rate
- ×Application/approval takes about three weeks, slower than fintech PSPs' self-serve signup
- ×No public Shopify/WooCommerce plugin confirmed on KBank's own site
About K Payment Gateway (KBank)
K Payment Gateway is Kasikornbank's own online payment product for Thai merchants, supporting cards, Thai QR/PromptPay, Alipay, WeChat Pay and configurable installment plans through a K-Pay Button (embedded UI) or a direct API. Unlike fintech PSPs, it requires an existing (or newly opened) KBank business relationship and does not publish a fixed transaction fee — merchants apply through KBank's K-Merchant channel and receive a negotiated rate.
Key Features
Best For
Southeast Asia Fit
K Payment Gateway is Kasikornbank's own online payment product for Thai merchants, distinct from fintech PSPs like Opn or 2C2P — it requires an existing KBank business relationship and an application process (KBank cites roughly three weeks for approval), and does not publish a fixed merchant discount rate on its own site; pricing is negotiated per merchant via KBank's K-Merchant contact channel. This 'apply and negotiate' model is typical of Thailand's bank-issued gateways and mirrors SCB's own Payment Gateway product.
- Thailand
Integrations
- Payment
- PromptPay
- Alipay
- WeChat Pay
- Other
- Direct API
- K-Pay Button
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The questions operators actually ask.
How much does KBank charge for its Payment Gateway?
KBank does not publish a fixed rate on its own site. Merchants apply through the K-Merchant channel and receive a rate based on their business type, volume and agreement with the bank — approval is cited as taking around three weeks.
Do I need a KBank account to use K Payment Gateway?
Yes — it is a bank-issued gateway, so it requires an existing (or newly opened) KBank business account and a completed merchant application, unlike fintech PSPs such as Opn or 2C2P that support faster self-serve onboarding.