---
title: "Galxe Grambo user credential check"
method: GET
path: "/galxe/is-grambo-user"
tags: ["galxe"]
---

# Galxe Grambo user credential check

`GET /galxe/is-grambo-user`

Called by Galxe to check whether an external address exists in platform wallets.

## Query parameters

- `wallet` string, required

## Headers

- `X-Api-Key` string, required

## Response `200`

OK

- InternalHandlersGalxeCredentialResponse
  - `data` InternalHandlersGalxeCredentialResponseData
    - `address` string
    - `balance` integer
    - `is_ok` boolean
    - `items` string[]
    - `updated_at` string
  - `error` boolean
  - `error_code` string
  - `error_message` string

## Other responses

- `400` — Bad request
- `401` — Unauthorized

---

[API](https://skmtc.dev/grambo/apis/grambo-api.md) · [All operations](https://skmtc.dev/grambo/apis/grambo-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/grambo/grambo-api/revisions/5d88d65e212e/schema)