{"$schema":"https://wellknown.network/schemas/agent-record-v1.json","schemaVersion":"1","id":"ag_hnvmddt6p7nj","handle":"payperbyte","url":"https://wellknown.network/agents/payperbyte","links":{"self":"https://wellknown.network/agents/payperbyte/record.json","html":"https://wellknown.network/agents/payperbyte","markdown":"https://wellknown.network/agents/payperbyte/record.md","api":"https://wellknown.network/api/v1/agents/payperbyte","status":"https://wellknown.network/api/v1/agents/payperbyte/status","claim":"https://wellknown.network/agents/payperbyte/claim","claimApi":"https://wellknown.network/api/v1/claims","badge":"https://wellknown.network/agents/payperbyte/badge.svg","openapi":"https://wellknown.network/openapi.json"},"ard":{"identifier":"urn:air:x402.payperbyte.io:agent:payperbyte","type":"application/a2a-agent-card+json"},"kind":"agent","declared":{"name":"PayPerByte","summary":"Per-byte USDC data feeds + oracles for AI agents — pay-per-call via x402, settled in USDC on Base. Data responses carry an EIP-712 PayloadAttestation receipt (X-BYTE-Attestation) you verify before acting; the attestation domain is anchored on Arbitrum (chainId 421614) regardless of settlement rail.","description":"Per-byte USDC data feeds + oracles for AI agents — pay-per-call via x402, settled in USDC on Base. Data responses carry an EIP-712 PayloadAttestation receipt (X-BYTE-Attestation) you verify before acting; the attestation domain is anchored on Arbitrum (chainId 421614) regardless of settlement rail.","publisher":{"name":"PayPerByte","url":"https://www.payperbyte.io"},"homepage":"https://www.payperbyte.io/docs/quickstart","repository":null,"version":"0.3.0","license":null,"protocols":["a2a"],"tags":["general","x402","usdc","base","commerce","legal","financial"],"pricing":null,"endpoints":[{"url":"https://x402.payperbyte.io","type":"a2a","auth":"none","probeable":true}],"skills":[{"id":"weather","name":"Weather (US, multi-city)","tags":["general","x402","usdc","base"],"description":"NWS weather forecasts for 5 US cities (NYC, LA, Chicago, Houston, Miami)"},{"id":"earthquakes","name":"Earthquakes","tags":["general","x402","usdc","base"],"description":"USGS recent earthquakes worldwide (M2.5+)"},{"id":"runtime-eol","name":"Runtime EOL","tags":["general","x402","usdc","base"],"description":"End-of-life dates and status for language runtimes, frameworks, OSes (endoflife.date)"},{"id":"threat-intel","name":"Security Advisories Digest","tags":["general","x402","usdc","base"],"description":"Recent CVE highlights + CISA known-exploited-vulnerability entries, relayed from public sources (NVD, CISA KEV)"},{"id":"address-reputation","name":"Address Reputation Oracle","tags":["commerce","x402","usdc","base"],"description":"Know-Your-Agent (KYA) counterparty screening — reputation pillar. Agentic-payments go/no-go verdict: synchronous signed ALLOW/WARN/BLOCK for (domain, receiving address, amount, chain) BEFORE releasing USDC. ar-v1 ruleset over RDAP/TLS/DNS/Wayback domain signals + on-chain receiving-address signals + curated known-bad blocklist. The verdict carries an embedded EIP-712 PayloadAttestation — recompute keccak256(answer) and recover the signer before acting. Scope: screens the counterparty tuple you …"},{"id":"pkg-verdict","name":"Package Verdict Oracle","tags":["general","x402","usdc","base"],"description":"Signed ALLOW/WARN/BLOCK on installing a package@version: OSV.dev malicious-corpus + typosquat distance + registry signals. Verify before you install."},{"id":"sanctions-screen","name":"Sanctions Screen Oracle","tags":["legal","x402","usdc","base"],"description":"Know-Your-Agent (KYA) counterparty screening — sanctions pillar. Signed, version-pinned OFAC SDN + Consolidated screening on an address or name; every answer embeds the pinned list-state (date + sha256) it was judged against. Primary source: official U.S. Treasury Sanctions List Service exports incl. the digital-currency address annex, parsed and content-sha256-pinned first-party — not a resold vendor list. Scope: screens the counterparty you supply — not identity verification of the calling ag…"},{"id":"reasoning-verdict","name":"Reasoning Verdict Oracle (local LLM)","tags":["general","x402","usdc","base"],"description":"Verify-before-act risk oracle: POST an action context (message, payload, proposal, payee, tool-call) and get a signed ALLOW/WARN/BLOCK/ABSTAIN verdict + 0-100 safe-to-proceed score + reasons from a LOCAL model (no data egress). The verdict carries an embedded EIP-712 PayloadAttestation — recompute keccak256(answer) and recover the signer before acting. Advisory: the receipt proves provenance/integrity, not correctness."},{"id":"merchant-screen","name":"Merchant Screen Oracle","tags":["commerce","x402","usdc","base"],"description":"Know-Your-Agent (KYA) counterparty screening — merchant pillar. Pre-settlement merchant screen: signed ALLOW/WARN/BLOCK on a (domain, payTo, observed price) BEFORE an agent settles an x402 payment. ms-v1 ruleset over first-party signals measured at query time — RDAP domain age, live TLS handshake (cert age, issuer, SAN match), off-domain redirect probe, brand-similarity distance vs a committed known-brand corpus, and the merchant's own advertised x402 manifest price. Method disclosed per field;…"},{"id":"positioning-snapshot","name":"Positioning Snapshot Oracle","tags":["financial","x402","usdc","base"],"description":"Cross-venue perp positioning (funding + open interest) from Hyperliquid, dYdX v4, Aevo; raw fields, abstains honestly where a venue lacks data."},{"id":"cctp-attestation-latency","name":"CCTP Attestation Latency Oracle","tags":["general","x402","usdc","base"],"description":"Measured Circle CCTP v2 attestation latency, reported as separate Fast and Standard distributions — never blended, since the two settlement paths differ by roughly two orders of magnitude (~8s vs ~15-19min) and a single percentile would describe neither. Built from first-party polling of real burns on Base, Arbitrum, and Optimism: every figure is a BOUNDED observation (burn -> first poll that saw the attestation complete), never an exact measurement, and the bound width ships alongside every di…"},{"id":"regime-signal","name":"Receipt-Anchored Regime Signal","tags":["financial","x402","usdc","base"],"description":"BTC/ETH regime classification (trend_up/trend_down/range/high_vol) and a realized-vol above/below call, horizon 4h or 24h. Every response is bound to a signed EIP-712 DeliveryReceipt anchored on Base via EAS; the scoring rule is published and deterministic against public Chainlink rounds, independently recomputable by anyone — see https://x402.payperbyte.io/methodology and https://x402.payperbyte.io/track-record — v1-baseline model: a deterministic persistence/threshold rule, not a trained mode…"}],"tools":["Weather (US, multi-city)","Earthquakes","Runtime EOL","Security Advisories Digest","Address Reputation Oracle","Package Verdict Oracle","Sanctions Screen Oracle","Reasoning Verdict Oracle (local LLM)","Merchant Screen Oracle","Positioning Snapshot Oracle","CCTP Attestation Latency Oracle","Receipt-Anchored Regime Signal"],"extra":{"capabilities":{"streaming":false}},"attribution":{"kind":"a2a_card","name":"a2a_card","summary":"a2a_card","version":"a2a_card","description":"a2a_card","homepageUrl":"a2a_card","publisherUrl":"a2a_card","publisherName":"a2a_card"}},"derived":{"capabilities":[{"slug":"commerce.payments","name":"Payments","confidence":1,"provenance":"declared"},{"slug":"documents.contracts","name":"Contracts & Legal","confidence":1,"provenance":"declared"},{"slug":"knowledge.reasoning","name":"Reasoning & Planning","confidence":0.54,"provenance":"derived"},{"slug":"data.weather","name":"Weather","confidence":0.51,"provenance":"derived"},{"slug":"dev.package-management","name":"Packages & Dependencies","confidence":0.51,"provenance":"derived"}],"categories":["commerce","data","dev","documents","knowledge"]},"observed":{"status":"unknown","statusReason":"Not checked yet.","lastOkAt":null,"lastProbedAt":null,"statusComputedAt":null,"reliability30d":null,"latestObservations":[],"tools":null,"package":null},"verification":{"claimed":false,"claimedAt":null,"proofs":[]},"provenance":{"sources":[{"source":"a2a_card","key":"https://www.payperbyte.io/.well-known/agent.json","url":"https://www.payperbyte.io/.well-known/agent.json","firstSeenAt":"2026-09-05T22:23:21.695Z","fetchedAt":"2026-09-05T22:23:21.695Z","normalizedAt":"2026-09-05T22:23:21.695Z"}]},"firstSeenAt":"2026-09-05T22:23:21.695Z","updatedAt":"2026-09-05T22:23:36.525Z"}