---
title: "Bind btcAddress and nftAddress."
method: POST
path: "/v3/market/brc20/auction/bind"
tags: ["MarketPlace"]
---

# Bind btcAddress and nftAddress.

`POST /v3/market/brc20/auction/bind`

## Request

- Base URL: `https://open-api.unisat.io`
- URL: `https://open-api.unisat.io/v3/market/brc20/auction/bind`
- Auth: HTTP bearer
- TypeScript: <https://skmtc.dev/unisat/apis/unisat-wallet-openapi/docs/v3/market/brc20/auction/bind/post.ts> (a function with typed inputs; its response is checked against the schema)

## Request body

- object
  - `btcAddress` string, required
  - `nftAddress` string, required
  - `sign` string, required

## Response `200`

Default Response

- object
  - `code` number, required
  - `msg` string, required
  - `data` object, required

---

[API](https://skmtc.dev/unisat/apis/unisat-wallet-openapi.md) - [All operations](https://skmtc.dev/unisat/apis/unisat-wallet-openapi/llms.txt) - [OpenAPI document](https://skmtc.dev/unisat/apis/unisat-wallet-openapi/revisions/68de350419c7?raw)