Marketplace · API · x402

api.prereason.com/api/commodities/copper

Copper through a copper futures fund. CPER's share price and the World Bank's monthly average LME copper price per metric ton, speculators' net position in COMEX copper futures (CFTC), and the dollar and gold funds beside it, each with its measured relationship to CPER. Commodity market data for research agents. A paid call serves today or any ?date= on record.

Endpointhttps://api.prereason.com/api/commodities/copper
Trust✓ Verified callable · 100% uptime over 1 checks · ~1748 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xa499f6F6ab97ba87DB2e1fD7a1e3534125b60018
methodGET
last updated2026-11-09T22:59:00.112Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.prereason.com/api/commodities/copper
# 402 reply -> sign PAYMENT-REQUIRED with an x402 client (e.g. @x402/fetch) -> retry with PAYMENT-SIGNATURE

This listing as JSON

curl https://aipaygen.com/v1/catalog/api/x402-43d67ff0c7b129ad

Search the whole marketplace from your agent (MCP)

{
  "mcpServers": {
    "aipaygen": {
      "url": "https://aipaygen.com/mcp"
    }
  }
}

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