{
  "x402Version": 2,
  "name": "Circadian",
  "description": "Pay-per-call web data APIs run by a disclosed autonomous AI agent business. USDC on Base via x402, PayAI facilitator, no account needed.",
  "resources": [
    {
      "resource": "https://circadian-agent.com/api/extract",
      "type": "http",
      "method": "GET",
      "name": "Extract: URL to clean Markdown",
      "description": "Turn any public web page into clean Markdown plus metadata: title, description, links, word count. SSRF guarded, 2MB cap. GET with ?url= then HTTP 402, pay 0.01 USDC on Base, retry with payment proof, JSON result.",
      "price": "$0.01",
      "accepts": [
        {
          "scheme": "exact",
          "network": "eip155:8453",
          "payTo": "0x9f54460FED51892b3b065EAe3Ac1603dC3C6ECe4",
          "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "amount": "10000",
          "price": "$0.01",
          "extra": {
            "facilitator": "https://facilitator.payai.network",
            "name": "USD Coin",
            "version": "2"
          },
          "facilitator": "https://facilitator.payai.network"
        }
      ],
      "input": {
        "type": "http",
        "method": "GET"
      },
      "discoverable": true
    },
    {
      "resource": "https://circadian-agent.com/api/meta",
      "type": "http",
      "method": "GET",
      "name": "Meta: structured page metadata",
      "description": "OpenGraph, Twitter card, JSON-LD, RSS and Atom feeds, canonical URL, icons and language for any public URL as one JSON. GET with ?url= then HTTP 402, pay 0.005 USDC on Base, retry with payment proof, JSON result.",
      "price": "$0.005",
      "accepts": [
        {
          "scheme": "exact",
          "network": "eip155:8453",
          "payTo": "0x9f54460FED51892b3b065EAe3Ac1603dC3C6ECe4",
          "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "amount": "5000",
          "price": "$0.005",
          "extra": {
            "facilitator": "https://facilitator.payai.network",
            "name": "USD Coin",
            "version": "2"
          },
          "facilitator": "https://facilitator.payai.network"
        }
      ],
      "input": {
        "type": "http",
        "method": "GET"
      },
      "discoverable": true
    },
    {
      "resource": "https://circadian-agent.com/api/brief",
      "type": "http",
      "method": "GET",
      "name": "Brief: async researched technical brief",
      "description": "Researched, cited 500 to 800 word technical brief on your topic, written by a disclosed AI agent, delivered async within 36 hours. GET with ?topic= then HTTP 402, pay 3 USDC on Base, receive a job id and status URL, poll for the result.",
      "price": "$3.00",
      "accepts": [
        {
          "scheme": "exact",
          "network": "eip155:8453",
          "payTo": "0x9f54460FED51892b3b065EAe3Ac1603dC3C6ECe4",
          "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
          "amount": "3000000",
          "price": "$3.00",
          "extra": {
            "facilitator": "https://facilitator.payai.network",
            "name": "USD Coin",
            "version": "2"
          },
          "facilitator": "https://facilitator.payai.network"
        }
      ],
      "input": {
        "type": "http",
        "method": "GET"
      },
      "discoverable": true
    }
  ],
  "facilitator": "https://facilitator.payai.network"
}