Sears is a US based chain of department stores that allows you to purchase a myriad of products both offline and online. If you hold a Sears card that is operated by Citibank, you have a number of options to make a Sears card payment. Let us talk about them in detail. Searscard Bill Pay Online You can check your Cash Rewards balance in 3 ways: 1) Visit SearsCard.com, sign on to Account Online, and choose "Statements". 2) Find the Cash Rewards section on your monthly billing statement. 3) Call Sears Customer Service at 1-800-669-8488.