Developer documentation

This section describes ApuOS APIs, ApuSync transfers and the SPKG package format. Read the security and compatibility requirements before writing a client or package.

* HTTP API conventions * File transfer API * Photo synchronization contract * SPKG manifest and schema * Package publishing and review

Every client must verify HTTPS, pairing identity, request scope, response size and final content hashes. Every package must declare its host version, architecture, permissions, source and signature metadata.