---
title: "Stream"
method: GET
path: "/v1/workflows/executions/{execution_id}/stream"
tags: ["workflows.executions"]
---

# Stream

`GET /v1/workflows/executions/{execution_id}/stream`

Stream

## Path parameters

- `execution_id` string, required

## Query parameters

- `event_source` 'DATABASE' | 'LIVE' | 'HYBRID'
- `last_event_id` string, nullable

## Response `200`

Stream of Server-Sent Events (SSE)

## Other responses

- `422` — Validation Error

## Changes

- **2026-09-23** `fa73befe1c61` — 17 info
  - added the required property `data/oneOf[subschema #1: StreamEventSsePayload]/data/oneOf[subschema #10: CustomTaskCompleted]/chain_run_id` to the response with the `200` status
  - added the required property `data/oneOf[subschema #1: StreamEventSsePayload]/data/oneOf[subschema #11: CustomTaskFailed]/chain_run_id` to the response with the `200` status
  - added the required property `data/oneOf[subschema #1: StreamEventSsePayload]/data/oneOf[subschema #12: CustomTaskTimedOut]/chain_run_id` to the response with the `200` status
  - added the required property `data/oneOf[subschema #1: StreamEventSsePayload]/data/oneOf[subschema #13: CustomTaskCanceled]/chain_run_id` to the response with the `200` status
  - …13 more
- …earlier changes not shown

[Full history](https://skmtc.dev/mistral/apis/mistral-ai-api/changes/v1/workflows/executions/:execution_id/stream/get.md)

---

[API](https://skmtc.dev/mistral/apis/mistral-ai-api.md) · [All operations](https://skmtc.dev/mistral/apis/mistral-ai-api/llms.txt) · [OpenAPI document](https://skmtc.dev/mistral/apis/mistral-ai-api/revisions/fa73befe1c61?raw)