Roadmap - Proxmox Backup Server
https://pbs.proxmox.com/wiki/index.php/Roadmap23.11.2021 · Responses from the Proxmox Backup Server API can get quite large, but in general can be compressed well. By adding support for deflate Content-Encoding, bandwidth is saved and response times are improved, especially over bandwidth constricted links. Compression of file-level ZIP archive downloads
Proxmox VE API - Proxmox VE
https://pve.proxmox.com/wiki/Proxmox_VE_APIProxmox VE uses a REST like API. The concept is described in [1] (Resource Oriented Architectur - ROA). We choose JSON as primary data format, and the whole API is formally defined using JSON Schema [2]. You can explore the API documentation at http://pve.proxmox.com/pve-docs/api-viewer/index.html JSON and JSON Schema