Finding GitLab Webhook Deliveries

You can view your GitLab Webhook Deliveries (sent from GitLab to CircleCI) in your GitLab project settings by navigating to Project Settings > webhooks at the following URL: https://gitlab.com/{GL_ORG_NAME}/{GL_REPO_NAME}/-/hooks

Viewing GitLab Webhooks 

From here you can scroll down to the bottom of the page. Here you will find a list of webhooks. You can click "events" > "recent events" > "view details" to view details of each webhook. 

Deleting GitLab Webhooks

To delete a GitLab webhook scroll to the bottom of your project settings > "webhooks" > "Delete" at the following URL : https://gitlab.com/{GL_ORG_NAME}/{GL_REPO_NAME}/-/hooks

Additional Resource

• https://docs.gitlab.com/ee/user/project/integrations/webhooks.html#troubleshooting