# Dial failed: invalid api session id

**URL:** <https://openziti.discourse.group/t/dial-failed-invalid-api-session-id/5056>\
**Category:** zrok\
**Created:** [August 25, 2025, 6:10pm UTC](https://openziti.discourse.group/t/dial-failed-invalid-api-session-id/5056 "2025-08-25T18:10:46Z")\
**Posts on this page:** 1\
**Showing post:** 5

<div class="post-metadata">

**Author:** ![Rantanplan](https://yyz2.discourse-cdn.com/free1/user_avatar/openziti.discourse.group/rantanplan/32/3353_2.png) [@Rantanplan](https://openziti.discourse.group/u/Rantanplan)\
**Post date:** [August 25, 2025, 7:51pm UTC](https://openziti.discourse.group/t/dial-failed-invalid-api-session-id/5056/5 "2025-08-25T19:51:35Z")

</div>

In my [previous](https://openziti.discourse.group/t/failed-to-send-update-router-interfaces-request-to-controller/5037/7) post I wrote that ziti 1.6.7 does not work with ziti controller 1.5.4

The same problem is reported [here](https://openziti.discourse.group/t/zrok-agent-remoting-token-is-malformed/5049).

I have tons of errors on routers while using 1.6.7 with ziti-controller 1.5.4.

I confirm that zrok 1.1.2 work reliably. Zrok 1.1.3 fails in few minutes.

Which version of ziti controller you use to test zrok 1.1.3 ?

These messages we can see in controller’s log (1.5.4) while trying zrok 1.1.3

```auto
{
  "_context": "ch{XXX}->u{classic}->i{XXX/r6MG}",
  "error": "invalid api session id, expected 6946e35b-..., got 0777e9cd-...",
  "file": "github.com/openziti/ziti/controller/handler_edge_ctrl/common.go:78",
  "func": "github.com/openziti/ziti/controller/handler_edge_ctrl.(*baseRequestHandler).returnError",
  "level": "error",
  "msg": "responded with error",
  "operation": "create.circuit",
  "routerId": "XXX",
  "time": "2025-08-25T18:00:43.118Z",
  "token": "eyJh...."
}

```

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_[View the full topic](https://openziti.discourse.group/t/dial-failed-invalid-api-session-id/5056)._