---
title: "List topic types."
method: GET
path: "/providers/Microsoft.EventGrid/topicTypes"
tags: ["TopicTypes"]
---

# List topic types.

`GET /providers/Microsoft.EventGrid/topicTypes`

List all registered topic types.

## Parameters

- `../../../../../../common-types/resource-management/v6/types.json#/components/parameters/ApiVersionParameter` — unresolved $ref

## Response `200`

OK

- TopicTypesListResult — Result of the List Topic Types operation
  - `value` TopicTypeInfo[] — A collection of topic types
    - `id` string — Fully qualified identifier of the resource.
    - `name` string — Name of the resource.
    - `type` string — Type of the resource.
  - `nextLink` string — A link for the next page of topic types.

## Other responses

- `default` — *** Error Responses: *** * 400 Bad Request. * 404 Not Found. * 500 Internal Server Error.

## Changes

- **2026-07-13** (2017-06-15-preview) `285f714f3339` — 2 info
  - api tag `TopicTypes` added
  - api tag `TopicTypeInfos` removed
- **2026-07-13** (2017-06-15-preview) `6114a105ef69` — 1 warning, 2 info
  - deleted the `query` request parameter `api-version`
  - api tag `TopicTypeInfos` added
  - api tag `TopicTypes` removed

[Change history](https://skmtc.dev/azure/apis/eventgrid-microsoft-eventgrid-eventgrid/changes/providers/Microsoft.EventGrid/topicTypes/get.md)

---

[API](https://skmtc.dev/azure/apis/eventgrid-microsoft-eventgrid-eventgrid.md) · [All operations](https://skmtc.dev/azure/apis/eventgrid-microsoft-eventgrid-eventgrid/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/azure/eventgrid-microsoft-eventgrid-eventgrid/revisions/285f714f3339/schema)