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The Payments Apps API enables Shopify partners to programmatically access data related to their payments app configuration. You can use this API to resolve or reject captures, payments, refunds, and void sessions.
At the moment, the payment gateway options that Shopify have available are those listed here:
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Thank you for your message, I can certainly see the benefit of using your local payment gateway within your Shopify account.
You can check if HBL is an option for you in your admin under Settings>Payments>Third-party providers and Alternative payment methods:
If you do not see HBL in either of these areas, then this would mean the gateway would not be available for you at this time.
Where are you based and operating your store out of in the world? depending on your location, you will have specific third-party and alternative payment gateways available to you based on your location. Feel free to reference our handy Online Payment Gateways guide here for a breakdown of the available options per country.
Thank you for your message and please do not hesitate to reach back here if you have any additional questions, we are always happy to chat!