Core API (Host-to-Host) lets your system talk directly to Finpay Payment Gateway via API.
You keep the payment UI and data input inside your website or app. You do not redirect customers to a Finpay-hosted checkout page.
This model does not require you to store cardholder data. Card data should never be stored on your servers.
Use Core API when you need:
Full control over checkout UI and UX.
A single API integration across multiple payment channels.
Deeper control over retries, reconciliation, and custom business logic.
Use Hosted Payment when you want the fastest go-live.
Core API access depends on your merchant configuration.
Review the Security requirements early.
Network retries happen.
Design your integration to avoid duplicate charges and duplicate order creation.
If you are unsure how idempotency is implemented in your environment, align with Finpay before go-live.
Channel availability depends on your merchant profile and configuration.
See Payment Channels for the current list and limits.
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