Can not do log in paypal in ionic 3 project

[PriyaSam]

Hi, i am integrating paypal in ionic 3 app. Whenever i click on make payment . It redirects to paypal site. There i enter usename n password. And each time it says invalid username amd password. But i am adding correct credentials for login.please help

[Snow-Cat]

You may want to visit the Merchant Support Community as there are other developers and PayPal Techs there who may be able to help.