Did you try looking on Hackage?

After just a quick search I found these:

On Tue, Aug 3, 2021 at 11:46 AM John Arnold <jarnold@sydrom.com> wrote:
I am building a prototype for processing ISO 20022 Payment Initiation messages. These messages are in XML format and I want the prototype to be built using Haskell.

Conducting a search for 'Haskell XML parsing' yields postings that are in the region of 10+yrs old.

I am sure there are packages that have been developed/update in the recent past.
Any thoughts?
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