Task

Nft Owner Base

1 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.

base-nft-owner x402 REST usage

Who owns this NFT? ERC721 owner lookup on Base mainnet via ownerOf(tokenId).

x402.agentindex.world Crypto & Payments 2 calls / 30d checked 2026-10-26

0.003 USDC per call per call

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