X-Atlassian-Token: no-check To prevent XSRF protection blocking the request, for more information see Special Headers.Content-Type: image/image type Valid image types are JPEG, GIF, or PNG.curl --request POST --user email@example.com:<api_token> --header 'X-Atlassian-Token: no-check' --header 'Content-Type: image/< image_type>' --data-binary "<@/path/to/file/with/your/avatar>" --url 'https://your-domain.atlassian.net/rest/api/3/project/{projectIdOrKey}/avatar2'curl --location --request POST '/rest/api/3/project//avatar2' \
--header 'Content-Type: text/plain' \
--data-raw ''{"id":"1010","isDeletable":true,"isSelected":false,"isSystemAvatar":false}