Validating user's API credentials - PayPal DoDirectPayment -


hello working on site accept paypal api credentials every restaurant owner amount transferred account directly.

the problem facing, times restaurant owners add wrong api credentials when order placed error "security header not valid" appears means api credentials wrong.

the solution want api credentials verified when added restaurant owner, order placed end user.

is there way verify/validate paypal api credentials(user name, password, signature), please help.

thanks in advance!

paypal dont have external api validate api credentials alone. instead. can use express checkout setexpresschekout api call minimal data , api credenitals, validate api crenditials , generate token. if token means api credenitials correct. not money movement happpens api call. pp have api avaiable in both nvp , soap format.


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