Double-check that you are using the sandbox credentials from the
confirmation email and that no extra spaces were copied.If the error
continues, try resetting the sandbox password or contact Authorize.net
support to confirm the account is fully activ...
or a service-based workflow, a one-time payment API should work well.
I’d recommend confirming the service request first and processing the
payment only after the booking is accepted.For webhooks, verify the
event on your server and handle pending, s...
You’re probably not doing anything wrong. The sandbox credentials are
separate from the normal Authorize.Net merchant login, so I’d
double-check that you’re using the sandbox-specific login page and the
credentials provided for the sandbox account. I...
For a service-based transportation site, I would separate the booking
confirmation from the payment step. First create the service request,
confirm availability and pricing, and then process the one-time
payment.For payment updates, use Cybersource s...
