To allow for testing recurring payments, as well as order updates, do the following:
- On WordPress, navigate to WooCommerce > Settings > Payments > PayFast.
- Enter the following sandbox credentials on the Configuration page:
- Merchant ID: 10004002
- Merchant Key: q1cd2rdny4a53
- Passphase: payfast
3. Tick the Sandbox checkbox to put the gateway in test mode and click Save.
4. When you are finished testing, be sure to add your live PayFast Merchant ID, Merchant Key and passphrase.