OpenPrinter Agent Gateway
Server requests printer inventory
This request has an empty payload. The agent answers with
agent.printer_inventory and sets that message's correlationId to
this request's messageId.
Address
/.well-known/openprinter/gatewayDescription
The authenticated, bidirectional OPPA gateway socket.
Messages
A request with an empty payload. The agent returns a complete
agent.printer_inventory snapshot and correlates it to this request.
Payload
Message Example
{ "protocolVersion": "1", "messageId": "inventory_request_01", "sentAt": "2026-08-21T00:00:01Z", "type": "server.request_printer_inventory", "payload": {}}