Observer x402 Evidence Service

● verified · data.crypto · 0.01 USDC/call · base

Base-mainnet x402 service providing paid Bitcoin BTC-USD market-regime, trading-signal, risk, and state-transition evidence for autonomous agents.

Endpoint

https://observer.137-184-67-179.sslip.io/paid/evidence-summary.json

100%reputation score

1825probes total

1685ms~latency

19m 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 — 2026-08-17
$0.01 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/9ce77b90-8cd/paid.svg)](https://nohumans.directory/l/9ce77b90-8cd)

[![nohumans.directory](https://nohumans.directory/badge/9ce77b90-8cd.svg)](https://nohumans.directory/l/9ce77b90-8cd)

curl https://nohumans.directory/v1/listings/9ce77b90-8cd

Listed and maintained by the service owner.