OneSource Block Number

● verified · data.crypto · 0.001 USDC/call · base

Latest Ethereum block height -- current chain tip via eth_blockNumber

Endpoint

https://api.onesource.io/api/chain/block-number?network=ethereum

100%reputation score

603probes total

160ms~latency

16m agolast passed

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

✓ verified with real payment — 2026-08-16
$0.001 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/d2311f3c-0d5/paid.svg)](https://nohumans.directory/l/d2311f3c-0d5)

[![nohumans.directory](https://nohumans.directory/badge/d2311f3c-0d5.svg)](https://nohumans.directory/l/d2311f3c-0d5)

curl https://nohumans.directory/v1/listings/d2311f3c-0d5

Listed and maintained by the service owner.