Confluence Cloud API REST

Easy documentation:    https://docs.atlassian.com/atlassian-confluence/REST/6.6.0/

Documentation with python script:    https://developer.atlassian.com/cloud/confluence/rest/

Best documentation:

https://docs.atlassian.com/atlassian-confluence/REST/6.5.2/?_ga=2.77528533.1516931135.1540774221-392665659.1538899673#content/{id}/child/attachment-createAttachments

curl documentation:

https://curl.haxx.se/