# Trouble Hitting API Endpoints - 401

**URL:** <https://forum.inductiveautomation.com/t/trouble-hitting-api-endpoints-401/117390>\
**Category:** Ignition\
**Tags:** security\
**Created:** [October 8, 2026, 5:24pm UTC](https://forum.inductiveautomation.com/t/trouble-hitting-api-endpoints-401/117390 "2026-10-08T17:24:27Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![Sfenwick](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/sfenwick/32/82355_2.png) [@Sfenwick](https://forum.inductiveautomation.com/u/Sfenwick)\
**Post date:** [October 8, 2026, 5:57pm UTC](https://forum.inductiveautomation.com/t/trouble-hitting-api-endpoints-401/117390/2 "2026-10-08T17:57:35Z")

</div>

Welcome to the forum! I suspect it might be how the header is configured in Postman, maybe the key isn't being referenced properly? Please see [Ignition 8.3 API Usage Guide (via Postman)](https://forum.inductiveautomation.com/t/ignition-8-3-api-usage-guide-via-postman/93935)

---

_[View the full topic](https://forum.inductiveautomation.com/t/trouble-hitting-api-endpoints-401/117390)._