# Ephemeral Clusters Create and return Atlas Ephemeral clusters. An Ephemeral cluster is a temporary Atlas Free cluster that you can claim within 7 days to convert into a standard Free cluster. Use of this API, including any resources created through it, is governed by MongoDB’s [Cloud Terms of Service](https://www.mongodb.com/legal/terms-and-conditions/cloud) and [Privacy Policy](https://www.mongodb.com/legal/privacy/privacy-policy). By using this API to create an Ephemeral cluster, you agree to these terms. To learn more about Ephemeral clusters, see [Create an Atlas Ephemeral Cluster](https://dochub.mongodb.org/core/create-ephemeral-cluster) in the MongoDB Atlas documentation. ## Operations - [Return One Ephemeral Atlas Cluster](https://www.mongodb.com/docs/api/doc/atlas-admin-api-v2/preview/operation/operation-getephemeralcluster.md) - [Create One Ephemeral Atlas Cluster](https://www.mongodb.com/docs/api/doc/atlas-admin-api-v2/preview/operation/operation-createephemeralcluster.md) [Powered by Bump.sh](https://bump.sh)