I've had this same issue for a couple of months. I had dozens of transactions using it and spent upwards of $4000 with it. All of a sudden, it just is not an option anymore. When speaking to customer service about it, they claim it isn't always offered on the same sites or for the same type of products. Even when I go to the sites that THEY promote accept Pay in 4, it doesn't come up as an option. Very frustrating.
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