---
title: "Check whether a conversation has an existing email thread"
method: GET
path: "/email-notifications/thread-status"
tags: ["Email Notifications"]
---

# Check whether a conversation has an existing email thread

`GET /email-notifications/thread-status`

Returns whether this conversation already has a prior outbound email with a captured SES Message-ID. The dashboard uses this to decide whether to surface the 'continue in same thread?' toggle in the send-email modal.

## Query parameters

- `conversation_id` string, uuid, required

## Response `200`

Successful Response

- ThreadStatusResponse — Whether a conversation has a prior outbound email that can be threaded to.
  - `has_existing_thread` boolean, required
  - `last_subject` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.dev/noso/apis/crucible-backend-api.md) · [All operations](https://skmtc.dev/noso/apis/crucible-backend-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/noso/crucible-backend-api/revisions/112efbdea3eb/schema)