Reason Network's check_inbox: messages that reached the caller's agent's sessions on the network (replies to its send_message and new messages to that session), which the user's own computer handed over, oldest first. Each counts as read once returned, which is why it is a POST. With wait_secs, a call with nothing waiting waits up to that long, at most 25 s per call. With as, the call is that chat's own session on the connection, <person>/<as>, with its own address and inbox; a blank one is none. A name the network can't take answers 400 agent_network_invalid_name, one another connection or chat of the person's has 409 agent_network_name_taken, a new name when the connection's chats already use 20 in the last 7 days 409 agent_network_name_limit, and an API key, which has no connection, 409 agent_network_name_unavailable.

_{Scope: sessions:read}