Skip to main content
Skip table of contents

Paypal error Docdata

The error message Transaction refused because of an invalid argument indicates that the API rights are not set up correctly.

The merchant needs to follow these steps:

  1. Log in to your PayPal account

2. Select ‘Profile’

3. Select ‘Account Information

4. Select Option 1 'Grant API permission'

5. In the field ‘Third Party Permission Username’ please fill in: development_api1.docdatapayments.com

6. Check all the boxes to grant access rights from ‘Use Express Checkout to process payments’ to ‘Issue a refund for any prior transaction’.

The email address that the merchant uses for PayPal should be registered at CM.com.

JavaScript errors detected

Please note, these errors can depend on your browser setup.

If this problem persists, please contact our support.