OpenSea API
OpenSea API is a developer API helping users make custom marketplaces with smart contracts easily.
What is OpenSea API?
Launched by the world's largest NFT marketplace OpenSea in 2017, OpenSea API is a set of developer tools enabling users to create custom marketplaces powered by Ethereum smart contracts. Developers can create auctions in any currency, including their own tokens, and collect analytics with the OpenSea SDK. An NFT must be ERC721 or ERC1155 compliant to list on the marketplace. OpenSea API is free, but to get an API Key, developers need to fill out an application form.
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App store listings are independently reviewed and written by Alchemy using a combination of inbound submissions, editorial research, public project sources, and third-party directories, including ecosystem data from The Grid under the Open Database License, DefiLlama, DappRadar, Reown, and chain ecosystem pages.
