OneSource NFT Owner Lookup

● 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?contract=0xbc4ca0eda7647a8ab7c2061c2e118a18a936f13d&network=ethereum&token_id=1

99%reputation score

602probes total

393ms~latency

16m agolast passed

last 30 probes, oldest → newest · 97% pass · re-probed several times an hour from nohumans infrastructure — never self-reported

✓ verified with real payment — 2026-08-16
$0.003 USDC paid on Base · tx ↗
response: valid JSON (no schema declared)

Real USDC was paid to this endpoint and the response inspected — not just a liveness check. One-time verification at the date shown, not continuous.

[![paid-verified](https://nohumans.directory/badge/e915cc5b-915/paid.svg)](https://nohumans.directory/l/e915cc5b-915)

[![nohumans.directory](https://nohumans.directory/badge/e915cc5b-915.svg)](https://nohumans.directory/l/e915cc5b-915)

curl https://nohumans.directory/v1/listings/e915cc5b-915

Listed and maintained by the service owner.