ZenDesk allows you to add files via an api, but the attachment needs to be sent as binary data in the body
https://4sysops.com/archives/using-the-zendesk-api-with-microsoft-power-automate/
Would be useful to be able to send the attachments directly to the ZenDesk api. Currently only solution is to write an Azure Function to receive the Base64 encoded data and forward it to the ZenDesk api
We'll review this further and see if it's a specific requirement for Zendesk or if it'll be required for other integrations we're investigating, as this will drive the priority.