So I assume Plastiq doesn't care about being used to pay credit card bills, yes? It says any bill for any amount. I have a personal Amex Plat card that I'm not going to make the min spend on (unfortunately just the 40k bonus point public offer). I mainly got the card for the SPG/Hilton perks, Cent lounge, and Sky Club access when flying Delta so knowing I wouldn't meet the min spend wasn't killer to me, but I hate to just leave that on the table... (This was also right before, like a week, the fee increase was announced and the added benefits are worth zero to me... so I'm feeling a little burned since I don't want to cancel the card now right away)

Can I MF spend a little using my CSR card (which I've done before and feel somewhat ok doing in low volume) and then use Plastiq to send a payment to Chase and charge that to the Amex? I've seen a couple data points here on the Amex Plat personal card as posting as a credit charge and NOT getting clawbacks. I'm using the card for some normal day stuff, so it won't just be a list of charges from Plastiq and zero else, but I'll probably only put ~$1000 to $1500 legit charges on it in the next 90 days...

The bonus points are worth ~$400 or so, so I don't mind paying some fees here and there because I'll still come out ahead a bit.