Build a marketplace for your ERC721 items using OpenSea's developer tools

Hi Dapp Developers!

We at OpenSea, the largest marketplace for ERC721 items, just launched our developer documentation for building a marketplace using OpenSea. Using OpenSea's tech, you can either host the marketplace for your items entirely on OpenSea, or use our SDK to build your own UI for buying and selling.

It's super easy to get started! Just follow our tutorial on how to create an instantly tradeable ERC721 collectible.

Feel free to reply with any questions!
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