---
title: "Check if a referral code is valid."
method: GET
path: "/user/checkReferralCode"
tags: ["User"]
---

# Check if a referral code is valid.

`GET /user/checkReferralCode`

If the code is valid, responds with the referral code's discount (e.g. `0.1` for 10%). Otherwise, will return a 404 or 451 if invalid.

## Query parameters

- `referralCode` string

## Response `200`

Request was successful

- object

## Other responses

- `400` — Parameter Error
- `401` — Unauthorized
- `403` — Access Denied
- `404` — Not Found

## Changes

- **2019-12-18** `fd2de3a82a03` — 4 info
  - added the non-success response with the status `400`
  - added the non-success response with the status `401`
  - added the non-success response with the status `403`
  - added the non-success response with the status `404`
- **2018-05-30** `0c1c991454e3` — 4 info
  - removed the non-success response with the status `400`
  - removed the non-success response with the status `401`
  - removed the non-success response with the status `403`
  - removed the non-success response with the status `404`

[Change history](https://skmtc.dev/bitmex/apis/bitmex-api/changes/user/checkReferralCode/get.md)

---

[API](https://skmtc.dev/bitmex/apis/bitmex-api.md) · [All operations](https://skmtc.dev/bitmex/apis/bitmex-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/bitmex/bitmex-api/revisions/04c6a16ffd27/schema)