{
  "name": "x402 Watch",
  "description": "Tracker for x402, the open payment standard for AI agents.",
  "updated": "2026-07-19",
  "protocol": {
    "name": "x402",
    "basis": "HTTP 402 Payment Required",
    "author": "Coinbase (donated to the Linux Foundation x402 Foundation)",
    "default_settlement": "USDC on Base",
    "settlement_time_seconds": 2,
    "typical_fee_usd": 0.0001,
    "governance": "x402 Foundation (Linux Foundation), operational Jul 14 2026, 40 members"
  },
  "adoption": {
    "annualized_run_rate_usd": 600000000,
    "active_agents": 69000,
    "usdc_share_of_machine_payments": 0.986,
    "cumulative_agent_transactions_jul_2026": 169000000,
    "x402_txns_last_30d": 75000000,
    "x402_volume_last_30d_usd": 24000000
  },
  "shipping": [
    "x402 Foundation",
    "Coinbase CDP / Bazaar",
    "Solana",
    "Cloudflare",
    "Apify",
    "AWS",
    "Fireblocks"
  ],
  "aligned_backers": [
    "Stripe",
    "Visa",
    "Mastercard",
    "American Express",
    "Shopify",
    "Google",
    "Microsoft"
  ],
  "compare": {
    "x402": {
      "job": "per-request payments",
      "settles": "USDC",
      "maturity": "live"
    },
    "AP2": {
      "job": "authorization / mandates",
      "settles": "rail-agnostic",
      "maturity": "emerging"
    },
    "ACP": {
      "job": "in-chat checkout",
      "settles": "cards/stablecoin",
      "maturity": "emerging"
    }
  },
  "sources": [
    "Solana x402 report 2026",
    "Keyrock 2026",
    "Coinbase",
    "Linux Foundation"
  ]
}