Get Attachment Thumbnail

Returns the thumbnail of an attachment.To return the attachment contents, use [Get attachment content](#api-rest-api-3-attachment-content-id-get).This operation can be accessed anonymously.**[Permissions](#permissions) required:** For the issue containing the attachment: * *Browse projects* [project permission](https://confluence.atlassian.com/x/yodKLg) for the project that the issue is in. * If [issue-level security](https://confluence.atlassian.com/x/J4...