Astro AI APIchat

Stream assistant reply (SSE)

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Server-Sent Events stream of the assistant’s reply for the current turn. Emits a connected event, incremental content chunks, and a terminal finish (or error) event. Agent-produced file metadata appears in attachments on the terminal chunk. Subscribe after sending a message. Ownership-scoped: a conversation owned by another user returns 404.

Authentication

AuthorizationBearer
OAuth 2.0 device flow or platform session token

Path parameters

deploymentIdstringRequired
Deployment ID
conversationIdstringRequired

Conversation ID (client-chosen UUID v4)

Response

Server-Sent Events stream of assistant chunks

Errors

401
Unauthorized Error
403
Forbidden Error
404
Not Found Error
500
Internal Server Error