business-frameworks.matryoshka-paradigms.workers.dev

Live 402 challenge

Captured by the enrichment pass, not read just now. Prices can change — always read the 402 the endpoint answers with.

{
  "fit": {
    "note": "this node was measured as part of the answers to the decisions that lean on it, not on its own; the decisions' figures and verdicts, by kind of question and by model, are at table_url",
    "pilot": true,
    "table_url": "https://business-frameworks.matryoshka-paradigms.workers.dev/fit"
  },
  "kind": "node",
  "error": "payment_required",
  "layer": 2,
  "title": "Market below $1M: a buyer at the end of a chain",
  "access": "Ask narrow, pay per node; ask broad, get a quoted bundle whose price is the sum of the nodes it takes, stated before you pay.",
  "handle": "business-frameworks/market/band/sub-1m@1.2",
  "tokens": 303,
  "cite_as": "McHenry, J. (2026). Business Frameworks, version 1.2, business-frameworks/market/band/sub-1m@1.2.",
  "payment": {
    "asset": "USDC",
    "pay_to": "0xbBaCd5111E0Ca3a52DdAA39D4723Cf75C1A75D91",
    "scheme": "exact",
    "network": "eip155:8453",
    "protocol": "x402",
    "terms_header": "PAYMENT-REQUIRED",
    "x402_version": 2,
    "amount_atomic": "30000",
    "asset_contract": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "max_timeout_seconds": 300
  },
  "price_usd": "$0.03",
  "how_to_pay": {
    "limits": "Pay only pay_to, only USDC on Base, never more than price_usd, once per answer. A failed or malformed request is not charged.",
    "as_a_person": "Open this URL in a browser that has a wallet holding USDC on Base; the page that loads offers the payment.",
    "without_a_wallet": "Do not pay. Tell the user the price and what it buys. The free layer stays open at catalogue_url.",
    "with_a_wallet_tool": {
      "call": {
        "tool": "initiate_x402_request",
        "arguments": {
          "url": "https://business-frameworks.matryoshka-paradigms.workers.dev/node/market/band/sub-1m",
          "method": "GET",
          "maxPayment": "0.03"
        }
      },
      "note": "If your harness has a wallet tool that speaks x402, call it with this URL and a cap equal to price_usd. Example, Coinbase Wallet MCP:",
      "then": "The user approves in their wallet; then call complete_x402_request with the returned requestId."
    },
    "with_an_x402_client": "Repeat this request with a PAYMENT-SIGNATURE header built from the PAYMENT-REQUIRED header on this response. Set the client's spend cap to price_usd."
  },
  "catalogue_url": "https://business-frameworks.matryoshka-paradigms.workers.dev/catalogue"
}

Accepts

The payment requirements as published to the catalog. Read the live 402 before paying — a price here is a claim, not a quote.

[
  {
    "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
    "extra": {
      "name": "USD Coin",
      "version": "2"
    },
    "payTo": "0xbBaCd5111E0Ca3a52DdAA39D4723Cf75C1A75D91",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://business-frameworks.matryoshka-paradigms.workers.dev/node/market/band/sub-1m",
    "description": "",
    "maxAmountRequired": "30000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-12 14:28Z

Last indexed by Roundhouse

2026-10-25 20:46Z

Last enriched (probe, favicon, geo)

2026-10-16 20:15Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402