---
title: "Validate a display name for an existing user."
method: GET
path: "/v1/users/{userId}/display-names/validate"
tags: ["Users"]
---

# Validate a display name for an existing user.

`GET /v1/users/{userId}/display-names/validate`

## Path parameters

- `userId` integer, required

## Query parameters

- `displayName` string, required

## Response `200`

OK

- RobloxWebWebAPIApiEmptyResponseModel

## Other responses

- `400` — 1: Display name is too short 2: Display name is too long 3: Display name contains invalid characters 4: Display name has been moderated 8: Display name has too many combinations of character sets
- `401` — 0: Authorization has been denied for this request.
- `403` — 7: The user id is invalid.
- `429` — 5: Display name updates for this user have been throttled

---

[API](https://skmtc.net/roblox/apis/roblox-api.md) · [All operations](https://skmtc.net/roblox/apis/roblox-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/roblox/roblox-api/versions/756260310407/schema)