displayName
OpenAI Responses / response.completed
messageType
StreamEvent
subtype
none
direction
core-to-user
terminal
true
errorCategory
none
payloadSchema
event
response.completed
fields
- response.id
- response.usage
- response.output
description
Terminal SSE event closing a successful Responses API stream — Codex
treats it as the loop-iteration boundary. terminal=true.