"ERC-7572: Contract-level metadata via contractURI()" has been merged into the canonical ERCs repo. This has been a long-supported standard by OpenSea, and now includes a newly introduced event `ContractURIUpdated()` for notifying updates eips.ethereum.org/EIPS/eip-7572

We've changed our handle on X from OpenSea API to OpenSea Developers - this is the official account for all OpenSea developer communications.

OpenSea and the Seaport Working Group are thrilled to unveil Seaport 1.6 — the latest generation of the most advanced NFT marketplace protocol in the EVM ecosystem. Seaport 1.6 introduces a new capability enabled by the recent Ethereum Dencun upgrade called Seaport hooks 🪝.

Big thanks to my fellow coauthors and contributors in the Seaport Working Group for making this release a reality Excited to see what you all build using Seaport Hooks!

The OpenSea API is now accepting Seaport v1.6 orders, and next Tuesday (4/2) we will stop accepting v1.5 orders docs.opensea.io/changelog/seap…

Reminder: Today, in one hour, we will stop accepting Seaport v1.5 orders via the API, as per our announcement last week docs.opensea.io/changelog/seap…

Today we introduced a new Offchain Cancel Order API and List Collections `Order By` Option. Learn more here: docs.opensea.io/changelog/new-…

The new Sei Testnet (atlantic-2) is now live on OpenSea testnets and the old devnet (arctic-1) has been deprecated. To use the new testnet please update to the latest opensea-js (v7.1.11).

As we prepare to launch OS2, we are making changes to our offer rules to make bidding on OpenSea more fair. Please see the following updates to our API regarding bidding precision. 👇 You will need to update your code before January 28th. docs.opensea.io/changelog/api-…