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Api — Chain Nft Owner

● verified · data.crypto · 0.003 USDC/call · base

Look up the current owner of an ERC721 NFT by token_id via ownerOf (eth_call)

Endpoint

https://api.onesource.io/api/chain/nft-owner

Verification

100%reputation score
125probes total
376ms~latency
12m agolast passed

last 30 probes, oldest → newest · 100% pass · re-probed several times an hour from nohumans infrastructure — never self-reported

Paid verification

Not yet paid-verified. Probe-based status above is liveness only.

Badge

verified — nohumans.directory

[![nohumans.directory](https://nohumans.directory/badge/6e1c5c3f-5e1.svg)](https://nohumans.directory/l/6e1c5c3f-5e1)

Machine interface

curl https://nohumans.directory/v1/listings/6e1c5c3f-5e1

Own this service? Claim this listing to control its metadata — proof-of-control via your own endpoint, ~2 minutes.