Hi,
I can integrate your wordpress website with Amazon FBA for fullfilment. I would first need to check if your seller account is eligible for the Amazon MWS program that allows sellers to connect their websites to AMazon FBA. Here is what it says on the Amazon website for your reference
"There are no fees associated with Amazon MWS, but to use the Amazon MWS API you must have an Amazon MWS-eligible seller account and you must register to use Amazon MWS."
I will check the Amazon FBA porgrammers guidelines and let you know of the possibilities and limitations of the integration.
Can I see the link to your website please ?
I'm among the top 1% freelancers here so you can expect high quality work with top communication and an amazing experience.
Peace and regards,
Gaurav Nanda