---
title: "Attach metadata to a group"
method: POST
path: "/v1/cryptos/{cryptoCode}/groups/{groupId}/metadata/{key}"
tags: ["Groups"]
---

# Attach metadata to a group

`POST /v1/cryptos/{cryptoCode}/groups/{groupId}/metadata/{key}`

## Request

- Base URL: `/` (relative, and the document was published on a file host, not at the API’s origin)
- URL: `/v1/cryptos/{cryptoCode}/groups/{groupId}/metadata/{key}`
- Auth: HTTP basic
- TypeScript: <https://skmtc.dev/btcpayserver/apis/nbxplorer-api/docs/v1/cryptos/:cryptoCode/groups/:groupId/metadata/:key/post.ts> (a function with typed inputs; its response is checked against the schema)

## Path parameters

- `cryptoCode` string, required
- `groupId` string, required
- `key` string, required

## Request body

- unknown

## Response `200`

Metadata attached successfully

## Changes

- **2026-09-29** `52231f42c765`: 1 info
  - endpoint added

[Operation history](https://skmtc.dev/btcpayserver/apis/nbxplorer-api/changes/v1/cryptos/:cryptoCode/groups/:groupId/metadata/:key/post.md)

---

[API](https://skmtc.dev/btcpayserver/apis/nbxplorer-api.md) - [All operations](https://skmtc.dev/btcpayserver/apis/nbxplorer-api/llms.txt) - [OpenAPI document](https://skmtc.dev/btcpayserver/apis/nbxplorer-api/revisions/52231f42c765?raw)