---
title: "Gets a list of existing usernames on Roblox based on the query parameters"
method: GET
path: "/v1/usernames"
tags: ["Accounts"]
---

# Gets a list of existing usernames on Roblox based on the query parameters

`GET /v1/usernames`

This endpoint can be expanded in the future to include other query parameters such as "startsWith"

## Query parameters

- `username` string, required

## Response `200`

OK

- RobloxAuthenticationApiModelsUsernamesResponse
  - `usernames` string[]

## Changes

- **2026-09-03** `d9b4ae8b3380` — 1 info
  - endpoint added

[Change history](https://skmtc.dev/roblox/apis/roblox-api/changes/v1/usernames/get.md)

---

[API](https://skmtc.dev/roblox/apis/roblox-api.md) · [All operations](https://skmtc.dev/roblox/apis/roblox-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/roblox/roblox-api/revisions/d9b4ae8b3380/schema)