Paypal Sandbox/Test Mode Search for: WCMp Vendor Membership Paypal Sandbox/Test Mode Resolved This topic has 4 replies, 3 voices, and was last updated 3 months, 2 weeks ago by susmita. Viewing 4 reply threads Author Posts August 9, 2019 at 6:28 am #68517 Angelo MagroneParticipant Hi i need to test subscription with sandbox mode. I have used my sandbox data and your dandbox data (http://wcmpdemos.com / admin). If I buy a subription i have this error An error occour in setExpressCheckout. Invalid Data Oops ... something is wrong. Please try again. copy August 9, 2019 at 8:04 am #68524 NerdySupportExpert MoumitaModerator @Angelo Magrone, can you please check whether the api keys are valid. Alternatively, make sure you have created the keys by following PayPal’s document – https://www.youtube.com/watch?v=e4uOIrfuw5o Let us know if the issue has been fixed. August 9, 2019 at 9:39 am #68526 Angelo MagroneParticipant Hi I have follow all the steps in the video but I don’t have an Application ID. Is required? When I pay with PAYPAL, after the redirect on my website appear the message ” Oops … something is wrong. Please try again.” August 10, 2019 at 1:45 am #68547 NerdySupportExpert MoumitaModerator @Angelo Magrone, yes Application ID necessary. If you are testing this in test mode, then use this application ID: APP-80W284485P519543T October 1, 2019 at 8:46 am #75343 susmitaModerator Hi @Angelo Magrone, I presume that your issue is resolved, since, we haven’t heard back from you. We are marking this thread as resolved. Kindly open a new thread if you face any further query. Author Posts Viewing 4 reply threads The topic ‘Paypal Sandbox/Test Mode’ is closed to new replies.