You can get the key by clicking on the “here” link which is located under API credential input field as shown in the screenshot below:

Step1: Click Login to the dashboard and create your account

Step 2: After creating an account, it will be redirected to your PayPal account and you need to create an app as shown in the screenshot below

Note: This is for test mode

Step3: For creating an app, you need to add an app name and select App Type as shown in the screenshot below

Step4: Now client id will be generated and you need to add this client id in Paypal Express Checkout of your WordPress dashboard

Note: This client id is only used for Test mode

Step 6: For Production id or live id firstly you need to disable Test mode by going to Admin Panel > WP Travel > Settings > Debug as shown in the screenshot below

Step 7: After this, go back to the payment tab and live mode will be active, then you need to add a  production client id which is for the real payment.

Step8: An again the same process that you have done in the test mode case, so please click here and it will be redirected to the PayPal account page which you need to create an account.

Step 9: After creating an account, it will be redirected to the My Apps and credential tabs where will can see the Live tabs that you need to create an app here as shown in the screenshot below

Step 10: For creating an app, you need to add an app name as shown in the screenshot below

Step 11: Now client id will be generated and you need to add this client id in Paypal Express Checkout of your WordPress dashboard

If you have any queries/confusions then please submit it to our Contact page.