api.prereason.com

Live 402 challenge

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

{
  "error": "Payment required",
  "accepts": [
    {
      "asset": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
      "extra": {
        "name": "USD Coin",
        "version": "2"
      },
      "payTo": "0xa499f6F6ab97ba87DB2e1fD7a1e3534125b60018",
      "amount": "50000",
      "scheme": "exact",
      "network": "eip155:8453",
      "maxTimeoutSeconds": 300
    },
    {
      "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
      "extra": {
        "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
      },
      "payTo": "H9PEqUrPuagH87tgBpuNizmxPKFtWhWozU21bq74nL5H",
      "amount": "50000",
      "scheme": "exact",
      "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
      "maxTimeoutSeconds": 300
    }
  ],
  "resource": {
    "url": "https://api.prereason.com/api/commodities/gold-miners",
    "tags": [
      "commodities",
      "macro"
    ],
    "iconUrl": "https://www.prereason.com/logos/logo-256.png",
    "mimeType": "application/json",
    "description": "Gold and its USA miners side by side. The gold fund GLD's share price (not the gold price) and the World Bank's monthly average gold price per troy ounce, then the covered USA gold and silver miners and royalty and streaming companies, each with its share price, its change over 1, 3 and 12 months beside GLD over the same windows and the measured 90 day correlation of its daily changes with GLD. Commodity and company data for research agents. A paid call serves today or any ?date= on record.",
    "serviceName": "PreReason"
  },
  "extensions": {
    "bazaar": {
      "info": {
        "input": {
          "type": "http",
          "method": "GET",
          "queryParams": {
            "format": "json"
          }
        },
        "output": {
          "type": "json",
          "example": {
            "metrics": {
              "etf-gld": {
                "name": "etf-gld"
              },
              "wb-gold-usd-oz": {
                "name": "wb-gold-usd-oz"
              }
            },
            "briefing_used": "commodities.gold-miners",
            "briefing_metadata": {
              "name": "Gold and the Miners",
              "description": "The gold fund GLD and the covered USA companies tied to gold by their own annual reports, side by side: the World Bank's monthly gold price as context, then each gold and silver miner and each royalty and streaming company with its share price, its change over 1, 3 and 12 months beside GLD over the same windows, the 90 day correlation of its daily changes with GLD, and the id of its own briefing for its filed figures. GLD is a fund's share price, not the gold price. Each group in order of stored market capitalisation; it describes, it does not rank.",
              "metrics_count": 2,
              "correlations_count": 0
            }
          }
        }
      },
      "schema": {
        "type": "object",
        "$schema": "https://json-schema.org/draft/2020-12/schema",
        "required": [
          "input"
        ],
        "properties": {
          "input": {
            "type": "object",
            "required": [
              "type",
              "method"
            ],
            "properties": {
              "type": {
                "type": "string",
                "const": "http"
              },
              "method": {
                "enum": [
                  "GET"
                ],
                "type": "string"
              },
              "queryParams": {
                "type": "object",
                "properties": {
                  "date": {
                    "type": "string",
                    "pattern": "^\\d{4}-\\d{2}-\\d{2}$",
                    "description": "Historical date in YYYY-MM-DD format. A paid call serves today or any ?date= on record."
                  },
                  "format": {
                    "enum": [
                      "json",
                      "markdown"
                    ],
                    "type": "string",
                    "description": "Response format. markdown is token-optimized for LLMs, json is structured. Default is markdown."
                  }
                }
              }
            },
            "additionalProperties": false
          },
          "output": {
            "type": "object",
            "required": [
              "type"
            ],
            "properties": {
              "type": {
                "type": "string"
              },
              "example": {
                "type": "object"
              }
            }
          }
        }
      }
    }
  },
  "onboarding": {
    "price": {
      "usd": "0.05",
      "note": "accepts[].amount is the same price in atomic units (6 decimals)",
      "asset": "USDC",
      "network": "eip155:8453"
    },
    "pay_with": {
      "header": "PAYMENT-SIGNATURE",
      "clients": {
        "@x402/axios": "npm i @x402/axios @x402/evm viem. wrapAxiosWithPaymentFromConfig(axios.create(), {schemes}) does the same for axios.",
        "@x402/fetch": "npm i @x402/fetch @x402/evm viem. wrapFetchWithPaymentFromConfig(fetch, {schemes: [{network: \"eip155:8453\", client: new ExactEvmScheme(account)}]}) retries this request with a signed USDC authorization.",
        "cdp_agent_wallet": "Coinbase Agentic Wallet: npx awal status, then awal x402 pay <this url>. Or npx @coinbase/payments-mcp inside Claude, Codex or Gemini. The wallet lives in your agent runtime; PreReason never asks for a key."
      },
      "quickstart": "https://www.prereason.com/docs#pay-per-call"
    },
    "free_alternative": {
      "docs": "https://www.prereason.com/docs#agent-access",
      "what": "A free API key: 6 briefings, the 17 Bitcoin metrics in full and the latest reading of every other metric, 30 requests per hour. A human approves one link.",
      "claim_endpoint": "https://api.prereason.com/api/agent/claims"
    }
  },
  "x402Version": 2
}

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": "0xa499f6F6ab97ba87DB2e1fD7a1e3534125b60018",
    "scheme": "exact",
    "network": "eip155:8453",
    "mimeType": "application/json",
    "resource": "https://api.prereason.com/api/commodities/gold-miners",
    "description": "",
    "maxAmountRequired": "50000",
    "maxTimeoutSeconds": 300
  },
  {
    "asset": "EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v",
    "extra": {
      "feePayer": "BENrLoUbndxoNMUS5JXApGMtNykLjFXXixMtpDwDR9SP"
    },
    "payTo": "H9PEqUrPuagH87tgBpuNizmxPKFtWhWozU21bq74nL5H",
    "scheme": "exact",
    "network": "solana:5eykt4UsFv8P8NJdTREpY1vzqKqZKvdp",
    "mimeType": "application/json",
    "resource": "https://api.prereason.com/api/commodities/gold-miners",
    "description": "",
    "maxAmountRequired": "50000",
    "maxTimeoutSeconds": 300
  }
]

Provenance

Seen in the source catalog

2026-10-13 11:32Z

Last indexed by Roundhouse

2026-10-19 16:45Z

Last enriched (probe, favicon, geo)

2026-10-10 20:46Z

x402 version

1

Max timeout

300s

Liveness probe

HTTP 402