Webcustomer service and contact us | credit acceptance. How to make a payment. 1. 800. 634. 1506. Webaca asks that you first submit your credit dispute to us directly via mail or indirectly through the credit bureaus. This allows us an opportunity to fully review and investigate your. Webopen_in_new customer portal check access account details check chat with us check enroll in autopay customer portal check access account details check chat with us. Third party (may be subject to processing fees) wire your payment to us in minutes using one…