---
title: "Stream Predict Events"
method: GET
path: "/predict/{session_id}/events"
tags: ["predict"]
---

# Stream Predict Events

`GET /predict/{session_id}/events`

Stream real-time predict progress events via SSE. Only works when connected to the executing instance; for cross-instance progress, poll GET /predict/{session_id}/status.

## Path parameters

- `session_id` string, required

## Response `200`

Successful Response

## Other responses

- `404` — Session not found
- `422` — Validation Error
- `503` — Predict is running on a different instance; use polling.

## Changes

- **2026-05-27** `bef81aa36f74` — 1 info
  - endpoint added
- **2026-04-29** `0ba9e71b823c` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/nvidia/apis/physics-agent-service/changes/predict/:session_id/events/get.md)

---

[API](https://skmtc.dev/nvidia/apis/physics-agent-service.md) · [All operations](https://skmtc.dev/nvidia/apis/physics-agent-service/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nvidia/physics-agent-service/revisions/47f3bc191c91/schema)