Payment / subscription / limit issue

I’m experiencing an issue with payment. I’ll describe the situation in detail.

In our API account, we have an active subscription for 10,000 photos under the API plan, and we have currently reached the limit. Previously, it was possible to change the plan, and the subscription would be updated immediately as of the current date.

I purchased a subscription for 5,000 photos, but for some reason, my limits were not reset. I would like to understand what caused this and how I can reset or renew my limits after purchasing the new subscription. I would also like to know where I can check the payment status.