Help Needed: Putting Shopify Order on Hold via Postman - Encountering Errors

[SomeUsernameHe]

I think your issue is here:

"id": "gid://shopify/FulfillmentOrder/13969017503969"

If we check the Shopify docs for Global ID’s we don’t see a ‘FulfillmentOrder’ object. Maybe try 'Fulfillment ’

Documentation: https://shopify.dev/docs/api/usage/gids