Hello @MzBW,
Welcome to the PayPal Community and thank you for your interest in PayPal's Pay in 4. I'm glad to hear it's worked out for you so far. I am sorry to hear though you've run into some issues using it lately. The option to use Pay in 4 is normally contingent on whether the merchant allows it on their checkout experience, the type of good being purchased, how much the item is, as well as a few other variables our system reviews during each checkout.
Depending on those variables as well as a review by our Security System, the option to use Pay in 4 may or may not be available. Unfortunately, which variable the system sees as unfavorable is not something PayPal is usually able to provide. In those cases, you're welcome to clear your browser's cache, cookies, and history to make sure it's not a browser issue, but you may want to try another funding source in the meantime.
My apologies for any inconvenience this may cause,
- Jon K
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