Marketplace · API · x402

api.prereason.com/api/cross/correlations

Cross asset correlations: the 10Y yield against SPY, and Bitcoin against SPY, QQQ, UUP, EUR/USD, net liquidity and VXX, over 30 and 90 days. A paid call serves today or any ?date= on record.

Endpointhttps://api.prereason.com/api/cross/correlations
Trust✓ Verified callable · 100% uptime over 1 checks · ~1854 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0xa499f6F6ab97ba87DB2e1fD7a1e3534125b60018
methodGET
last updated2026-11-09T22:58:03.756Z

Use it

Call it (an x402 client pays automatically)

curl -i https://api.prereason.com/api/cross/correlations
# 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/x402-6af392df8c915cc2

Search the whole marketplace from your agent (MCP)

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

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