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Integrating on Magento 1

Locate your humm Credentials

To integrate humm you will need your

  • Merchant Number
  • API Key

Plugin Installation / Upgrade

1 - You can create a backup of your store by navigating to System -> Tools -> Backup.

2 - Download the humm plugin zip from GitHub.

3 - Unzip it, then copy the following folders into the corresponding folders under your Magento root directory.



1 - Navigating to System > Configuration.

2 - On Configuration page, scroll downwards then click on Payment Methods on left side menu.


3 - Confirm humm Checkout is visible and once expanded, the options will need to be configured with your merchant number and API key.

Varnish Cache

If your server utilises a Varnish cache it is important that you whitelist any URLs associated with the humm plugin.

A rule must be added to varnish configuration for any magento installation running behind a varnish backend. (Or any other proxy cache) to invalidate any payment controller action.

Must exclude: .*HummPayments.* from all caching.

The Checkout API and Refund API endpoints should also be whitelisted.