Originally Posted by Road_Dog

I can confirm the SS MCGC work great for full swipes of $500 for OnePay. I can’t speak for Discover but glad to hear this works for you—I can’t fathom why $500 wouldn’t work if it works for Discover.

On another note, I got a “tender not accepted” today trying to use a Secure Spend Visa to load $500 to Discover. Not sure if it was a temporary error, it just worked yesterday for me.