The CASE Credit Union All Credit Levels is a cdfi lender from CASE Credit Union. The ongoing APR is 3.99% - 10.99%. Rewards: Members can earn rewards through the Elite Checking account, which offers up to 5% Annual Percentage Yield on balances and rewards for debit card usage.. This product reports activity to your personal credit report. CASE Credit Union is a member-focused financial institution located in Lansing, MI, dedicated to providing a range of financial services to its community. It serves individuals and families in Michigan, offering competitive rates on loans and savings products. Services include: auto loans, home equity lines of credit, mortgages, credit cards. US Treasury certified CDFI Credit Union in Lansing, MI. Membership required.