Go to WooCommerce > Settings and click on the Payments tab
You’ll see Paystack listed along with your other payment methods. Click Set Up
On the next screen, configure the plugin. There is a selection of options on the screen. Read what each one does below.Paystack WooCommerce Configuration page
Enable/Disable
Check this checkbox to Enable Paystack on your store’s checkout
Title
This will represent Paystack on your list of Payment options during checkout. It guides users to know which option to select to pay with Paystack. Title is set to “Debit/Credit Cards” by default, but you can change it to suit your needs.
Description
This controls the message that appears under the payment fields on the checkout page. Use this space to give more details to customers about what Paystack is and what payment methods they can use with it.
Test Mode
Check this to enable test mode. When selected, the fields in step six will say “Test” instead of “Live.” Test mode enables you to test payments before going live. The orders process with test payment methods, no money is involved so there is no risk. You can uncheck this when your store is ready to accept real payments.
Payment Option
Select how Paystack Checkout displays to your customers. A popup displays Paystack Checkout on the same page, while Redirect will redirect your customer to make payment.
API keys
The next two text boxes are for your Paystack API keys, which you can get from your Paystack Dashboard. If you enabled Test Mode in step four, then you’ll need to use your test API keys here. Otherwise, you can enter your live keys.
Additional Settings
While not necessary for the plugin to function, there are some extra configuration options you have here. You can do things like add custom metadata to your transactions (the data will show up on your Paystack dashboard) or use Paystack’s Split Payment feature. The tooltips next to the options provide more information on what they do.
Click on Save Changes to update the settings.
To account for poor network connections, which can sometimes affect order status updates after a transaction, we strongly recommend that you set a Webhook URL on your Paystack dashboard. This way, whenever a transaction is complete on your store, we’ll send a notification to the Webhook URL, which will update the order and mark it as paid. You can set this up by using the URL in red at the top of the Settings page. Just copy the URL and save it as your webhook URL on your Paystack dashboard under Settings > API Keys & Webhooks tab.
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Once the settings above are complete, Paystack should show in the list of payment options on your checkout page.
If you do not find Paystack on the Payment method options, please go through the settings again and ensure that:
You’ve checked the “Enable/Disable” checkbox
You’ve entered the your API Keys in the appropriate field