---
title: "Get topic by external_id"
method: GET
path: "/t/external_id/{external_id}.json"
tags: ["Topics"]
---

# Get topic by external_id

`GET /t/external_id/{external_id}.json`

## Path parameters

- `external_id` string, required

## Other responses

- `301` — redirects to /t/{topic_id}.json

---

[API](https://skmtc.net/discourse/apis/discourse-api-documentation.md) · [All operations](https://skmtc.net/discourse/apis/discourse-api-documentation/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/discourse/discourse-api-documentation/versions/fb966f5bb63e/schema)