---
title: "Stream session events"
method: GET
path: "/v1/agents/sessions/{session_id}/events"
tags: ["Sessions"]
---

# Stream session events

`GET /v1/agents/sessions/{session_id}/events`

## Request

- Base URL: `https://api.sandbase.ai`
- URL: `https://api.sandbase.ai/v1/agents/sessions/{session_id}/events`
- Auth: one of:
  - HTTP bearer
  - API key in header `X-API-Key`

Open the live server-sent event stream. The stream is live-only: Last-Event-ID or after returns 400; read history with items or turns. The server writes a ": connected" comment first.

## Headers

- `OpenAI-Beta` 'agents=v1'

## Response `200`

Server-sent events whose type starts with agent.session.

## Other responses

- `400`: invalid_request (malformed JSON, unknown fields, failed validation, or an unsupported option)
- `401`: unauthorized: missing, malformed, or conflicting API key headers
- `402`: spending_limit_exceeded: API key spending limit or organization balance exhausted
- `403`: insufficient_scope (scoped key) or org_disabled
- `404`: not_found: the resource does not exist in this organization
- `502`: executor_rejected or executor_contract_error from the execution layer
- `503`: authorization_unavailable, admission_unavailable, executor_unavailable, storage_unavailable, or internal_error

---

[API](https://skmtc.dev/sandbase/apis/sandbase-api.md) · [All operations](https://skmtc.dev/sandbase/apis/sandbase-api/llms.txt) · [OpenAPI document](https://skmtc.dev/sandbase/apis/sandbase-api/revisions/d40df2467ba2?raw)