Good day @graffyhost,
Thank you for posting to the PayPal community.
If your facing this issue in sandbox test environment, this error code - 10548 usually occurs due to the Sandbox PayPal PRO account setup issue.
Errorcode : 10548
Shortmessage : "Invalid Configuration"
Longmessage : "This transaction cannot be processed. The merchant's account is not able to process transactions."
Guide link - https://www.paypal.com/us/smarthelp/article/why-did-i-get-api-error-code-10548-ts1147
Here's how to enable PayPal Payments Pro on a Sandbox test account:
- Log in to your PayPal Developer account.
- At the top of the page, click Dashboard.
- Click Accounts under Sandbox on the left side of the page.
- Click the email address for the account for which you would like to enable Payments Pro.
Note: Only Business accounts can have Payments Pro enabled. - Click Profile under the email address.
- Click Upgrade to Pro.
- Click Enable.
Once your sandbox business account is upgraded to PRO, you should be able to integrate and perform DoDirectPayment API calls.
If your facing this error 10548 in LIVE production, I request to please contact our PayPal Customer service via link - https://www.paypal.com/us/smarthelp/contact-us (then choose at the bottom one of the contact methods - email or phone) who should be able to help you regarding your LIVE PayPal PRO account setup.
They will be able to assist you further as they are specially trained to address this type of account inquiry.
Sincerely,
Chiranjeevi
PayPal/Braintree MTS
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