---
title: "Get Topic Classes"
method: GET
path: "/topics/v1/classes"
tags: ["Topics"]
---

# Get Topic Classes

`GET /topics/v1/classes`

Retrieve a list of all available topic classes. Topic classes categorize topics into themes like 'Partnership', 'Security and Hacks', 'Token Listing', etc.

## Response `200`

Successfully retrieved topic classes

- object
  - `error` string, nullable
  - `data` string[]

## Other responses

- `400` — Bad request - invalid parameters
- `403` — Forbidden - insufficient subscription tier
- `500` — Internal server error

---

[API](https://skmtc.net/messari/apis/messari-api-deep-research-v1.md) · [All operations](https://skmtc.net/messari/apis/messari-api-deep-research-v1/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/messari/messari-api-deep-research-v1/revisions/af35b9757e14/schema)