Using OpenPacketFix_ with ebay.com — unknown

Install

# See https://github.com/panbinibn/OpenPacketFix_

Get a Default Category Tree ID

curl \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  /get_default_category_tree_id

Get a Category Tree

curl \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  /category_tree/{category_tree_id}

Get Aspects for All Leaf Categories in a Marketplace

curl \
  -H "Authorization: Bearer $ACCESS_TOKEN" \
  /category_tree/{category_tree_id}/fetch_item_aspects

Other SDKs for ebay.com