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Integrating on WooCommerce

Locate your humm Credentials

To integrate humm you will need your:

  • Merchant Number
  • API Key

Integrating humm

Before installing the new Humm plugin, if you have a previous version installed, please ensure you deactivate and uninstall the old plugin before proceeding.

1. Download the Humm WooCommerce plugin from Github Github

2. Navigate to the WordPress Admin page and on the left hand side click Plugins > Add New, then click the Upload Plugin button at the top of the page.

3. Add the Humm .zip file downloaded earlier and install it to your WordPress website.

4. Once installed, click the Activate Now button.


1. Navigate to the Plugins page, find Humm then click Settings.


2. Configure the Merchant ID and API Key fields with your credentials. If you have not received your API key please fill out the form located here.

3. Ensure humm is configured as follows:

Setting Value
Enabled Ticked
Humm Region Australia or New Zealand
Test Mode Unticked
Merchant ID Your Merchant ID
API Key Your unique API Key
Price Widget Activate on your preference
Cart Widget Activate on your preference
Price Widget Advanced Settings Unticked
Pre-select Checkout Button Activate on your preference
Top Banner Widget Activate on your preference
Humm Merchant Type 'Little things', 'Big things' or Both.
Shop Name Your shop name.
Minimum Order Total 0 for no limit.
Maximum Order Total 0 for no limit.
Little Things Threshold Amount 2000

If you have any questions, email us at [email protected]


1. Click order to refund from orders list page, then Refund at bottom.


2. Choose the items or set the amount you want to refund then click Refund via humm.