You’ve got a few options. Just remember that if you are late, your case gets dismissed!

When you file bankruptcy, you are required to pay a filing fee to the court (generally $310 for a chapter 13 or $335 for a chapter 7). Some people pay it up front, but most people make those payments in installments to the court after filing. Here is the court website dealing with filing fees:
https://www.utb.uscourts.gov/filing-without-attorney/filing-fees
So let’s say that you filed a chapter 7 today, you could pay the court filing fee as follows:
$100 in 2 weeks
$100 in 4 weeks
$135 in 8 weeks.
The big problem arises when people actually try to make the payment. Here are the payment options that they will accept:
cash, and U. S. Postal Service money orders, cashier