[Importer] SimpleFIN uses “posted_at” instead of “transacted_at” field for Transaction Date

[Siddhant-k]

Hi James,

As always, thanks for maintaining Firefly!

I noticed that when importing via SimpleFIN, the date for transaction is the “Book Date” in Firefly (which is “posted_at” in SimpleFIN API), whereas I expect it to be “Processing Date” which is “transacted_at” in the API?

For example:

• A transaction was completed on March 3rd, 2026
• It posts a few days later on March 6th, 2026
• Firefly transaction view should have this transaction for March 3rd, 2026; it reports the transaction for March 6th, 2026.

Does this make sense? I think this is probably a bug, but starting it as a discussion in case this is intended.

Happy to clarify anything.

[JC5]

Hey, thanks for starting this discussion.

It makes sense, good point. I'll check out the API docs and get back to you.

Cheers,
James