Hey NFT-extended Open Graph Spec
Heavily inspired by Warpcast's NFT-extended Open Graph Spec
Required
Collection name: eth:nft:collection
Collection contract address: eth:nft:contract_address
Collection creator address: eth:nft:creator_address
Collection schema: eth:nft:schema
Expected values are erc721 or erc1155
Optional
Collection medial URL (optional since og:image Exists): eth:nft:media_url
Collection minting status (string value to signal live, closed, etc.): eth:nft:status
Expected values are live and closed
Collection total mints: eth:nft:mint_count
Collection minting URL: eth:nft:mint_url
Will default to default link URL.
If the same asset may be minted on multiple sites, define this property to attract users to your site.
Collection chain: nft:chain or eth:nft:chain
Expected values are base zora ethereum optimism
Collection end time: eth:nft:endtime
The timestamp of when the collection will expire
Example meta tag
<meta
property="eth:nft:collection"
content="memories"
/>
<meta
property="eth:nft:status"
content="live"
/>
<meta
property="eth:nft:mint_count"
content="35"
/>
<meta
property="eth:nft:creator_address"
content="0x32bd5d883d63643f532e7fbe9e9aa89b29bb35c0"
/>
<meta
property="eth:nft:contract_address"
content="0x840ef6c503ca26ba27b054d5a6e79612567f60e9"
/>
<meta
property="eth:nft:schema"
content="ERC1155"
/>
<meta
property="eth:nft:endtime"
content="1708793619000"
/>