{
  "version": 1,
  "description": "PayPerByte (machine name: BYTE Library) — per-byte USDC data feeds + oracles for AI agents. Pay-per-call via x402, settled in USDC on Base mainnet. First-party, verifiable, no token. Every paid response carries an EIP-712 PayloadAttestation receipt (X-BYTE-Attestation) the agent verifies before acting — verify-before-act.",
  "network": "eip155:8453",
  "status": "mainnet",
  "x402_gateway": "https://x402.payperbyte.io",
  "canonical_manifest": "https://x402.payperbyte.io/.well-known/x402.json",
  "openapi": "https://x402.payperbyte.io/openapi.json",
  "agent_card": "https://x402.payperbyte.io/.well-known/agent.json",
  "discovery": "https://api.payperbyte.io/discover",
  "mcp_server": "https://mcp.payperbyte.io/mcp",
  "mcp_npm": "npx byte-mcp-server",
  "flagship": "https://x402.payperbyte.io/feeds/address-reputation",
  "attestation": {
    "scheme": "EIP712-PayloadAttestation",
    "header": "X-BYTE-Attestation",
    "domain_chain": "eip155:421614",
    "note": "The EIP-712 signing domain (literal name 'BYTE Library') is anchored on Arbitrum (chainId 421614) regardless of the settlement rail; a mainnet attestation anchor is pending an external security audit. The authoritative receipt block lives in the agent card. To verify: recompute keccak256(responseBody) and recover the signer before acting."
  },
  "instructions": "This www host serves a pointer only — the authoritative, self-updating x402 resource manifest (full per-feed price + accepts + provenance for every live feed) is served by the gateway at https://x402.payperbyte.io/.well-known/x402.json (alias: /x402-manifest). x402-payable feeds are served by the gateway at x402.payperbyte.io and settle in USDC on Base mainnet (eip155:8453); an unauthenticated request returns HTTP 402 with the payment challenge — see /openapi.json for the machine-readable contract. The flagship is the Address Reputation Oracle (POST /feeds/address-reputation, $0.10 per verdict): a signed ALLOW/WARN/BLOCK go/no-go for (domain, receiving address, amount, chain) before an agent releases USDC. Every paid 200 returns an X-BYTE-Attestation EIP-712 receipt over the exact response bytes. The marketplace/discovery catalog is at api.payperbyte.io/discover. No token. No external-user, revenue, or traction claims."
}