Error 406 doing a POST to inventory_levels/set.json rest Api

Shopify Plus
1

Hi,

I’m getting response with 406 status code without any error description in the body

POST https://{{shop}}.myshopify.com/admin/api/2023-04/inventory_levels/set.json

{
“inventory_item_id” : 1111111111111111,
“location_id”: 22222222222,
“available”: 5
}

Note that I’ve this problem only if the application that make the request is behind an AWS api gateway

The headers of the request that I’ve logged are
“Host”: [ “myshop.myshopify.com” ],
“X-Shopify-Access-Token”: [ “admin_token” ],
“User-Agent”: [ “Shopify Admin API Library for PHP v4.3.0” ],
“Content-Type”: [ “application/json” ],
“Content-Length”: [ “80” ] }

I’d like to know which header can cause this bad response from shopify api

Thanks in advance,
Mattia

n.b. I’ve a already a ticket in the support but I’ve not yet received an email