Hi @Alan I tried https://mystore.myshopify.com/admin/api/2022-04/orders/XXXXXXXXX/fulfillments.json with{"fulfillment": {"location_id": "xxxxxx","tracking_number": null,"status": "open","notify_customer" : false,"line_items": [{"id": 11111111}]}It wo...

Hi @Alan I tried https://mystore.myshopify.com/admin/api/2022-07/orders/XXXXXXXXX/fulfillments.json as you suggested. It still gives 404 Error. Here is the X-Request-ID: 7249f8cc-5588-4883-bafb-98349d6aa324 from this call.Hope to hear from you soon. 

Hi @Alan Here is the X-Request-ID : a9427e15-a48f-4435-bb4a-28bb2499b6df from response headers of the API Call.Thank you for your help.

Hello,I'm trying to post to the Fulfillment API to fulfill line items on an order using following code:$config = array('ShopUrl' => 'XXXX.myshopify.com','AccessToken' => 'myAccessToken');$shopify = new ShopifySDK($config);$orderID = 111111111111;$lin...