issue raised by paypal integration with my website

[mdindiabpo]

using sandbox after completing the profile setup on your website, then i put all the API credential inn my website , now when I click to check for payment it is raising an error which I sahre with you. Plz help as soon as possible with my registered email also.

[MTS_Justin]

Hello,

The API error "10002" means there is an issue with your API credentials, hence the "security header is not valid" response.

https://developer.paypal.com/docs/classic/api/errors/

[mdindiabpo]

but know u will see the this page after passing live credentials.

But there is no credit/debit card payments system in it and not know it will work or not.