Hello, I got a different page to the sandbox and real the PayPal payment screen. Is this valid only to real payment or what I do wrong? For example, I have a payment URL like this: https://www.paypal.com/cgi-bin/webscr?rm=2&cmd=_xclick&charset=utf-8&business=test%40test.com&return=https%3A%2F%2Fdoo.net%2Fde-de%2Fwidget%2Fpaypal.html%3Fsuccess%3Dtrue%26buyer_hash%3DAAAAAAAAA&cancel_return=https%3A%2F%2Fdoo.net%2Fde-de%2Fwidget%2Fpaypal.html%3Fsuccess%3Dfalse¬ify_url=http%3A%2F%2Fdoo.net%2Fpaypal%2Fnotify&item_name=Judo+Grand+Prix+2017+in+D%C3%BCsseldorf&item_number=1111111&amount=20.56&tax=1.44¤cy_code=EUR and the same but the sandbox https://www.sandbox.paypal.com/cgi-bin/webscr?rm=2&cmd=_xclick&charset=utf-8&business=test%40test.com&return=https%3A%2F%2Fdoo.net%2Fde-de%2Fwidget%2Fpaypal.html%3Fsuccess%3Dtrue%26buyer_hash%3DAAAAAAAAA&cancel_return=https%3A%2F%2Fdoo.net%2Fde-de%2Fwidget%2Fpaypal.html%3Fsuccess%3Dfalse¬ify_url=http%3A%2F%2Fdoo.net%2Fpaypal%2Fnotify&item_name=Judo+Grand+Prix+2017+in+D%C3%BCsseldorf&item_number=1111111&amount=20.56&tax=1.44¤cy_code=EUR Both the URL has this parameters: 'rm': 2
'cmd': _xclick
'charset': utf-8
'business': ......
'return': https://doo.net/de-de/widget/paypal.html?success=true&buyer_hash=AAAAAAAAA
'cancel_return': https://doo.net/de-de/widget/paypal.html?success=false
'notify_url': http://doo.net/paypal/notify
'item_name': Judo Grand Prix 2017 in Düsseldorf
'item_number': 1111111
'amount': 20.56
'tax': 1.44
'currency_code': EUR the test payment page you will see this on the step 3 - chose any ticket count (1) and go to the next step - prefill any informations and go to the next step - chose the paypal, agreement and accept the terms of use and press the 'Book now' and you will be redirected to the sandbox PayPal (before redirecting to PayPal, you may need to log the variables sent to PayPal.) like the URL above Thank you to the answer (UPDATE:) strange behavior to the sandbox: first time in new browser the PayPal payments open the new page and other payments only the old
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