---
title: "Age Cohort Metrics (path param)"
method: GET
path: "/v1/cohort/metrics/{cohort}"
tags: ["Holder Analytics"]
---

# Age Cohort Metrics (path param)

`GET /v1/cohort/metrics/{cohort}`

## Request

- Base URL: `https://api.blocklens.co` (the document declares no server; this is the origin it was published from)
- URL: `https://api.blocklens.co/v1/cohort/metrics/{cohort}`
- Auth: none declared

Same as /v1/cohort/metrics?cohort=X but with cohort as path parameter.

## Path parameters

- `cohort` string, required

## Query parameters

- `start_date` string, date, nullable
- `end_date` string, date, nullable
- `limit` integer
- `fields` string, nullable: Comma-separated field names to include (date columns always kept)

## Response `200`

Successful Response

- ApiResponse: Standard API response model
  - `success` boolean, required
  - `data` unknown, required
  - `message` string, nullable
  - `count` integer, nullable
  - `timestamp` string, date-time

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/blocklens/apis/blocklens-on-chain-api.md) · [All operations](https://skmtc.dev/blocklens/apis/blocklens-on-chain-api/llms.txt) · [OpenAPI document](https://skmtc.dev/blocklens/apis/blocklens-on-chain-api/revisions/dacc02ae0f9a?raw)