---
title: "Stream the thread (SSE)"
method: GET
path: "/migrations/{migration_id}/thread/stream"
tags: ["Runs"]
---

# Stream the thread (SSE)

`GET /migrations/{migration_id}/thread/stream`

## Request

- Base URL: `https://app.vern.so/api/v1`
- URL: `https://app.vern.so/api/v1/migrations/{migration_id}/thread/stream`
- Auth: API key in header `x-api-key`
- TypeScript: <https://skmtc.dev/vern-so/apis/vern-api/docs/migrations/:migration_id/thread/stream/get.ts> (a function with typed inputs; its response is checked against the schema)

A Server-Sent Events stream of the same thread events. Each message is `event: <type>` + `data: <json>`. The stream ends with `event: done` and closes after ~5 minutes; reconnect with `?after=<last_sequence>` to continue.

## Query parameters

- `after` integer
- `include` 'user' | 'tools' | 'all'

## Response `200`

An SSE stream.

## Other responses

- `401`: API key missing, malformed, or revoked.
- `404`: The referenced resource isn't in your account.

## Changes

- **2026-06-18** `c5a09eb23a64`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/vern-so/apis/vern-api/changes/migrations/:migration_id/thread/stream/get.md)

---

[API](https://skmtc.dev/vern-so/apis/vern-api.md) - [All operations](https://skmtc.dev/vern-so/apis/vern-api/llms.txt) - [OpenAPI document](https://skmtc.dev/vern-so/apis/vern-api/revisions/6ae61af2db81?raw)