OpenSea

Build your own marketplace in minutes

OpenSea provides a one-stop shop for creating your own customizable marketplace for your ERC721 or non-fungible token (NFT) project. Allow users to smoothly buy and sell your items, get custom stats and analytics, and earn revenue when your items get traded.

Guides

OpenSea Developer Tutorial

Simple tutorial for a customizable marketplace for buying and selling on OpenSea

Want an instant, customizable marketplace for your game items, collectibles, or other ERC-721 assets? You've come to the right place.

This tutorial will show you how to go from start to finish building a storefront for your items. We'll walk you through structuring your ERC721 contract and off-chain metadata, viewing your items on OpenSea, and testing out the auction flow for your items.

By the end of this tutorial, you'll know how to integrate with OpenSea and create a custom storefront for your items, just like the OpenSea Creature example storefront in this tutorial.