---
title: "Get Monthly Active Users"
method: GET
path: "/tag/mau"
tags: ["tag management", "user agent analytics"]
---

# Get Monthly Active Users

`GET /tag/mau`

Get Monthly Active Users (MAU) by tags for the last {MAX_MONTHS} months ending on UTC today + 1 day.

Shows month-by-month breakdown:
- Month 1 (Nov): Earliest month (7 months ago, 30-day period)
- Month 2 (Dec): Next month (6 months ago)
- Month 3 (Jan): Next month (5 months ago)
- ... and so on for {MAX_MONTHS} months total
- Month 7: Most recent month ending on UTC today + 1 day

Args:
    tag_filter: Optional filter to specific tag (legacy)
    tag_filters: Optional filter to multiple specific tags (takes precedence over tag_filter)

Returns:
    ActiveUsersAnalyticsResponse: MAU data by tag for each of the last {MAX_MONTHS} months with descriptive month labels (e.g., "Month 1 (Nov)")

## Query parameters

- `tag_filter` string, nullable — Filter by specific tag (optional)
- `tag_filters` string[], nullable — Filter by multiple specific tags (optional, takes precedence over tag_filter)

## Response `200`

Successful Response

- ActiveUsersAnalyticsResponse — Response for active users analytics
  - `results` TagActiveUsersResponse[], required
    - `tag` string, required
    - `active_users` integer, required
    - `date` string, required
    - `period_start` string, nullable
    - `period_end` string, nullable

## Other responses

- `422` — Validation Error

---

[API](https://skmtc.net/sea-lion/apis/litellm-api.md) · [All operations](https://skmtc.net/sea-lion/apis/litellm-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/sea-lion/litellm-api/revisions/79928a3d37d3/schema)