myPOS Checkout API Overview

These are the actions your system can initiate:

API Requests

API Call	Description
Purchase	Standard checkout. Can store card data. Uses myPOS Checkout page (customer interaction required).
In-App Purchase	Accept payments directly inside apps/websites. No redirection.
In-App StoreCard	Store card data directly from app (non-redirect flow).
In-App Stored Card Update	Update previously stored card details.
Refund	Refund a customer. No customer interaction needed.
Reversal	Reverse a transaction.
Request Money	Pull funds from a myPOS account. No customer interaction.
Mandate Management	Manage mandates for recurring Request Money actions.
Get Payment Status	Retrieve status of a payment.
Send Money	Send funds to another myPOS account.
PreAuthorization	Reserve funds via myPOS Checkout (customer interaction).
In-App PreAuthorization	Reserve funds directly via app (non-redirect).
PreAuth Completion	Capture funds from pre-authorization.
PreAuth Cancellation	Cancel a pre-authorization.
PreAuth Status	Check the status of a pre-authorization.
Authorization	Authorize an amount using a stored card.
Authorization Capture	Capture authorized funds.
Authorization Reverse	Release (void) authorized funds.
Authorization List	View uncaptured/active authorizations.
Payment Session Create	Create a payment session for processing payments.

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API Callbacks

API Call	Description
Purchase Notify	Server-to-server notify callback after successful purchase. Sent to URL_Notify.
Purchase OK	Redirects customer to URL_OK on success.
Purchase Cancel	Redirects customer to URL_Cancel if purchase is canceled.
Purchase Rollback	Notifies you of a reversal when notify callback fails.
PreAuthorization Notify	Server-to-server notification after a successful pre-authorization. Sent to your endpoint.
PreAuthorization OK	Redirects the customer to your success URL after pre-authorization.
PreAuthorization Cancel	Redirects the customer to your cancel URL if pre-authorization is canceled.