Marketplace · API · x402

stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-o

Ultra-long U.S. government bond yield representing 30-year borrowing costs. Most sensitive to long-run inflation expectations and fiscal concerns. Used for duration analysis and pension/insurance liability matching. Daily frequency.

Endpointhttps://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis
Trust✓ Verified callable · 100% uptime over 1 checks · ~1150 ms
PricingPay per call with x402, no account. Call it to get an exact quote before paying.
networkeip155:8453
schemeexact
pay to0x22f7e9518dff04a5db1fddaabc0e001b8c425b3a
methodGET
last updated2026-10-27T00:13:19.355Z

Use it

Call it (an x402 client pays automatically)

curl -i https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis
# 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/x402-4d87064780a298e3

Search the whole marketplace from your agent (MCP)

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

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