We now allow for the configuration of headers per webhook URL (stored in an encrypted format).

When you add a webhook URL on an automation action in LangSmith, we will make a POST request to your webhook endpoint any time the rules you defined match any new runs. Now, if you'd like to send any specific headers with your webhook, this can be configured per URL.

To set this up, click on the Headers option next to the URL field and add your headers.

Check out the docs here.