# Markers

Markers indicate points in time on graphs where interesting things happen, such as deploys or outages.

This API allows you to list, create, update, and delete Markers.



## Create a Marker

 - [POST /1/markers/{datasetSlug}](https://api-docs.honeycomb.io/api/markers/createmarker.md): Create a Marker in the specified dataset. To create an environment marker, use the  keyword and an API key associated with the desired environment.


## List All Markers

 - [GET /1/markers/{datasetSlug}](https://api-docs.honeycomb.io/api/markers/getmarker.md): Lists all Markers for a dataset.


## Update a Marker

 - [PUT /1/markers/{datasetSlug}/{markerId}](https://api-docs.honeycomb.io/api/markers/updatemarker.md): Update a Marker in the specified dataset. To update an environment marker, use the  keyword and an API key associated with the desired environment.


## Delete a Marker

 - [DELETE /1/markers/{datasetSlug}/{markerId}](https://api-docs.honeycomb.io/api/markers/deletemarker.md)