[arnarbi]

I use beancount, and a somewhat custom importer and categorizer. (happy to expand on those but this comment is about the multi-transaction).

I have the categorizer send such transactions to a temporary "limbo account". So I have two transactions:

  # This TX is imported from checking acct statement:
  2020-05-15 * "ACH Payment BankA credit card"
      Assets:BankA:Checking  -500
      Equity:Limbo:CreditCardPayments

  # This TX is imported from credit card statement:
  2020-05-16 * "Payment applied THANK YOU"
      Liabilities:BankB:CreditCard  500
      Equity:Limbo:CreditCardPayments

In both cases the second posting is added by the automatic categorizer based on the description.

After doing a bout of imports, I look at the Limbo account, which should always sum to zero. Sometimes the two TXs don't appear on the same day, so occasionally there's a temporary balance there but that's fine.

I use the same to match up my direct deposits (one end from paystubs import, other from checking account), wire transfers between banks/brokerage, etc. I tend to put them in different subaccounts of "Equity:Limbo" so that I can more easily spot any discrepancies.

Edit: Should've first read the previous reply that says the same thing!