I figured it out. I needed to remove the leading zeroes on my savings account number (and all accounts at chase for that matter) and include the bank's routing number in the Bank ID field.

Yes. When I set to Checking the Response is:

Server error occured. Received HttpStatusCode of 400

Yes, I have.

Great! Chase checking accounts are in. Thank you. Now, on to the savings accounts. Encountering some challenges there. I'm using the same Chase login username and password. I set account number to that of the savings account. I tried with and without the bank routing number. Here's what I got back: ...

No luck yet. I've changed the OFX server to what you suggested. The account number I've entered is a checking account number. When I leave it set to THAT account type, this is the response: Server error occured. Received HttpStatusCode of 400 Even though it's a checking account number, I tried setti...

I was VERY pleased to find iCompta. I'm in search of the right financial software and hope this is it. I am currently unable to connect to Chase, however. I've tried various combinations of Encoding, Application Version, different account numbers I have there, etc. I keep getting the "Error imp...