---
title: "Ref Check"
method: GET
path: "/api/portal/ref/{code}"
---

# Ref Check

`GET /api/portal/ref/{code}`

## Request

- Base URL: `https://api.nullprint.ai` (the document declares no server; this is the origin it was published from)
- URL: `https://api.nullprint.ai/api/portal/ref/{code}`
- Auth: none declared

注册页实时校验邀请码(spec 2026-10-05-promoter-referral §3.2):只回有没有效,无效也不阻止注册。
员工 BD 码与客户推广码都认(spec 2026-10-06-referral-rewards §4.2)。

## Path parameters

- `code` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/nullprint/apis/nullprint-backend.md) · [All operations](https://skmtc.dev/nullprint/apis/nullprint-backend/llms.txt) · [OpenAPI document](https://skmtc.dev/nullprint/apis/nullprint-backend/revisions/51dfcef9dce2?raw)
