PayPerByte

https://x402.payperbyte.io/feeds/earthquakes

USGS recent earthquakes worldwide (M2.5+)

• 0.003 USD Coin / request · eip155:8453

https://x402.payperbyte.io/feeds/threat-intel

Recent CVE highlights + CISA known-exploited-vulnerability entries, relayed from public sources (NVD, CISA KEV)

• 0.05 USD Coin / request · eip155:8453

https://x402.payperbyte.io/feeds/weather

NWS weather forecasts for 5 US cities (NYC, LA, Chicago, Houston, Miami)

• 0.005 USD Coin / request · eip155:8453

https://x402.payperbyte.io/feeds/address-reputation

Know-Your-Agent counterparty screening — reputation pillar. Signed ALLOW/WARN/BLOCK verdict on (domain, receiving address, amount, chain) before you release USDC. Screens the counterparty tuple you supply — not the calling agent's identity. Full method + scope: https://x402.payperbyte.io/feeds

• 0.1 USD Coin / request · eip155:8453

https://x402.payperbyte.io/feeds/cctp-attestation-latency

Measured Circle CCTP v2 attestation latency: Fast/Standard distributions (never blended), first-party burn polling. Bounded observations; percentiles withheld below sample floor. Embedded EIP-712 receipt proves who signed the bytes, not that latency holds. Full: https://x402.payperbyte.io/feeds

• 0.01 USD Coin / request · eip155:8453

https://x402.payperbyte.io/feeds/merchant-screen

Pre-settlement merchant screen: signed ALLOW/WARN/BLOCK on (domain, payTo, price) before you settle. Queries are logged (domain, payTo, price); screening is not covert — the merchant sees the probe. Full disclosure: https://x402.payperbyte.io/feeds

• 0.1 USD Coin / request · eip155:8453

https://x402.payperbyte.io/feeds/regime-signal

BTC/ETH regime + realized-vol above/below call, 4h or 24h horizon. Signed EIP-712 delivery receipt, anchored on Base via EAS; scoring is a published deterministic rule against public Chainlink rounds, independently recomputable. Full method: https://x402.payperbyte.io/feeds

• 0.02 USD Coin / request · eip155:8453