---
title: "Age Cohort Metrics"
method: GET
path: "/v1/cohort/metrics"
tags: ["Holder Analytics"]
---

# Age Cohort Metrics

`GET /v1/cohort/metrics`

## 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`
- Auth: none declared

Retrieves supply, realized cap, and realized price for a specific UTXO age cohort.

Available cohorts: `24h`, `1d_1w`, `1w_1m`, `1m_3m`, `3m_6m`, `6m_12m`, `1y_2y`, `2y_3y`, `3y_5y`, `5y_7y`, `7y_10y`, `10y_plus`.

Response fields are dynamically named based on the cohort parameter. For example, `cohort=24h` returns `supply_24h`, `realized_cap_24h`, `realized_price_24h`.

## Query parameters

- `cohort` string, required: Age cohort (e.g. '24h', '1d_1w', '10y_plus')
- `start_date` string, date, nullable: Start date (YYYY-MM-DD)
- `end_date` string, date, nullable: End date (YYYY-MM-DD)
- `limit` integer: Number of records to return
- `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)
