Saylor Innovations On-Chain Data x402 REST usage
Ethereum block by number or latest - hash, time, transaction count, gas used, base fee and miner
8 services carry this tag in their source record. Tags come from the provider, not from us — a tag is a claim about what the service does, not proof that it does it well.
Ethereum block by number or latest - hash, time, transaction count, gas used, base fee and miner
NFT owner, Arbitrum. Owner of an NFT on Arbitrum One: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or a...
NFT owner, Base. Owner of an NFT on Base: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or an airdrop; f...
NFT owner, Ethereum. Owner of an NFT on Ethereum: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or an ai...
NFT owner, Optimism. Owner of an NFT on Optimism: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or an ai...
NFT owner, Polygon. Owner of an NFT on Polygon PoS: the wallet that holds one ERC-721 token id right now (ownerOf), plus the collection's name and symbol. Use to verify who holds an NFT before a trade, a mint gate or an...
Who owns a given ERC721 token id, plus its tokenURI and collection name in the same call. Answers is this NFT still theirs without an indexer or an API key. Via eth_call (ownerOf).
NFT owner and metadata link for an ERC721 token on Ethereum, Base, Arc or BNB Chain: the current owner, the collection name and symbol, and the tokenURI (with an IPFS gateway link when it is ipfs://). A token that does n...