Tag Manager API create trigger 500 error

We have encountered an issue with one of the Google Tag Manager API methods, which suddenly appears to be experiencing a 500 “Experienced an internal error” outage. Since there is no real public GTM API support team like Google Analytics, we appreciate it if you could direct us to the appropriate support channel to address this matter.

APIs Explorer:

- Create Triggers: https://developers.google.com/tag-platform/tag-manager/api/v2/reference/accounts/containers/workspaces/triggers/create

- Attached is a simple request as an example:

```
POST https://tagmanager.googleapis.com/tagmanager/v2/accounts/{{account_id}}/containers/{{container_id}}/workspaces/2/triggers?key=[YOUR_API_KEY] HTTP/1.1

Authorization: Bearer [YOUR_ACCESS_TOKEN]
Accept: application/json
Content-Type: application/json

{
"name": "Test trigger with filters",
"type": "pageview",
"filter": [
{
"parameter": [
{
"type": "boolean",
"value": "true",
"key": "ignore_case"
},
{
"type": "template",
"key": "arg1",
"value": "thank"
}
],
"type": "matchRegex"
}
]
}
```


The report identifies the Google Tag Manager Create Triggers endpoint and provides a sample POST request, but names no repository file or test. Start by reproducing the request and determine whether the failure is in this client library or the external API; done requires an actionable repository change or confirmation that the issue belongs with the API provider.

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