Why is my fulfillment API creation showing an error?

Shopify Apps
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Topic summary

A developer is encountering a “Not Found” error when attempting to create a fulfillment using Shopify’s REST Admin API version 2022-10 via PHP.

Technical Details:

  • Using POST method to the endpoint: admin/api/2022-10/fulfillments.json
  • The API call is returning an error instead of successfully creating the fulfillment

Current Status:

  • The issue remains unresolved with no responses or solutions provided yet
  • Screenshots were shared showing both the API implementation attempt and the resulting error message
  • The developer is seeking help to identify why the fulfillment creation is failing
Summarized with AI on November 23. AI used: claude-sonnet-4-5-20250929.
1

Hello

I create Fulfillment By API using PHP Rest API 2022-10

https://prnt.sc/aZYtOfa6PwgT

But It Showing Error:

https://prnt.sc/RQbZ-s6lylsb

Error: Not Found

I am using that End Point: /admin/api/2022-10/fulfillments.json

In POST Method

https://shopify.dev/api/admin-rest/2022-10/resources/fulfillment#post-fulfillments