---
title: "Unique User Check."
method: GET
path: "/event/ping"
tags: ["event"]
---

# Unique User Check.

`GET /event/ping`

This is a ping endpoint to determine if the user is unique or not.

## Query parameters

- `u` string

## Headers

- `If-Modified-Since` string

## Response `200`

OK

## Other responses

- `400` — 400 Bad Request.
- `500` — 500 Unexpected Internal Server Error.

## Changes

- **2024-01-30** `eefc6adaa33a` — 1 info
  - added the new optional `query` request parameter `u`
- **2023-11-26** `b173cabb315f` — 3 warning, 2 info
  - the optional response header `X-Api-Commit` removed for the status `400`
  - the optional response header `X-Api-Commit` removed for the status `500`
  - deleted the `query` request parameter `u`
  - api tag `event` added
  - …1 more

[Change history](https://skmtc.dev/medama-io/apis/medama-analytics-api/changes/event/ping/get.md)

---

[API](https://skmtc.dev/medama-io/apis/medama-analytics-api.md) · [All operations](https://skmtc.dev/medama-io/apis/medama-analytics-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/medama-io/medama-analytics-api/revisions/7e58a00a419e/schema)