We filed for a home affordable modification with SPS -Select Portfolio Servicing and were approved we made our trial payments on time in the amount of {$1200.00} for all XXXX months they were due. Now XXXX comes and our XXXX payment after trial payments is due. According to our Modification paperwork we had no escrow shortage and the payment due was to be {$1200.00}. I called to make the XXXX payment today and I am told my payment amount due is {$1500.00}. So called back to question the payment and I was told that this was unusual, XXXX XXXX XXXX whom I spoke with stated that normally the XXXX payment is the payment agreed to in the modification and usually they do an escrow analysis about two months after the XXXX payment is due. It could possibly change how much I owe, but not til about XXXX or XXXX. He researched our documents and could not find any reason why our payment changed and also said there was no analysis done and that we received no paperwork to show any changes which according to RESPA I am to be made aware of in advance. Now I was told to make that payment of {$1500.00} or my modification would not be finalized. This is not what we signed a legal document stating and I want to get help to see if they are trying to scam me or get more money than owed. Can you please assist. 
