---
title: "List all cohorts"
method: GET
path: "/api/3/cohorts"
tags: ["Cohorts"]
---

# List all cohorts

`GET /api/3/cohorts`

## Request

- Base URL: `https://amplitude.com`
- URL: `https://amplitude.com/api/3/cohorts`
- Auth: HTTP basic

## Response `200`

Cohort metadata for the project.

- object

## Other responses

- `400`: Invalid request. Check that JSON query parameters are well formed and that special characters are URL encoded.
- `401`: Missing or invalid credentials. Send HTTP Basic auth with the project API key as the username and the secret key as the password.
- `429`: Concurrent or hourly rate limit exceeded for the project. The response identifies which limit was hit. Up to 5 concurrent requests are allowed across Amplitude REST endpoints.

## Changes

- **2026-10-14** `e475ad97669a`: 3 info
  - added the media type `*/*` for the response with the status `400`
  - added the media type `*/*` for the response with the status `401`
  - added the media type `*/*` for the response with the status `429`

[Operation history](https://skmtc.dev/amplitude/apis/amplitude-public-apis/changes/api/3/cohorts/get.md)

---

[API](https://skmtc.dev/amplitude/apis/amplitude-public-apis.md) - [All operations](https://skmtc.dev/amplitude/apis/amplitude-public-apis/llms.txt) - [OpenAPI document](https://skmtc.dev/amplitude/apis/amplitude-public-apis/revisions/e475ad97669a?raw)