---
title: "Get persisted pipeline event history"
method: GET
path: "/pipeline/{session_id}/event-log"
tags: ["pipeline"]
---

# Get persisted pipeline event history

`GET /pipeline/{session_id}/event-log`

## Path parameters

- `session_id` string, required

## Response `200`

Persisted progress events

- object
  - `events` object[]
  - `total` integer — Number of events when an event log exists

## Other responses

- `404` — Session not found
- `500` — Event log could not be read

## Changes

- **2026-05-27** `5738430233e4` — 1 info
  - endpoint added
- **2026-04-29** `790a7e8ac4e2` — 1 breaking
  - api path removed without deprecation

[Change history](https://skmtc.dev/nvidia/apis/material-agent-service/changes/pipeline/:session_id/event-log/get.md)

---

[API](https://skmtc.dev/nvidia/apis/material-agent-service.md) · [All operations](https://skmtc.dev/nvidia/apis/material-agent-service/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/nvidia/material-agent-service/revisions/4fde0c1362b3/schema)