US Treasury yield curve -1-month through 30-year ratesGET /api/v1/macro/yields · x402 API by prowldata

US Treasury yield curve -1-month through 30-year rates. Detect yield curve inversions that historically predict recessions. Includes current spread (10Y-2Y) and inversion status. Powered by PROWL. Use this to answer 'is the yield curve inverted?' or 'what are current treasury rates?'

https://www.prowldata.dev/api/v1/macro/yields

What does this x402 API do?

US Treasury yield curve -1-month through 30-year rates. This is an x402-gated GET API resource from prowldata. The latest safe exact-route check returned HTTP 404 on 2026-08-15. The listing records $0.001 USD-denominated per request on Base. No settled paid call has been verified.

Published price: $0.001 USD-denominated per request
Networks: Base
Latest evidence: The latest safe exact-route check returned HTTP 404 on 2026-08-15
Resource ID: 3c7250a9146c61ab3a0b216b

USE THIS RESOURCE

Start with a quote-only recipe. Payment signing stays in your project.

CODE

AI CODING TOOLS

quote-check.ts

const response = await fetch("https://www.prowldata.dev/api/v1/macro/yields", {
  method: "GET",
});

console.log(response.status);
console.log(Object.fromEntries(response.headers));
console.log((await response.text()).slice(0, 1000));

// A valid 402 is a quote, not a completed paid call.

This sends no payment. Inspect the 402 response before adding a wallet-enabled client.

JSON ↗developer docs →

STATUS HISTORY

JSON RSS

Exact route checked2026-08-15 02:55 UTC
non 402
Origin reachable2026-08-15 02:51 UTC
HEAD https://www.prowldata.dev/ returned 404.
Observed in 402-index2026-08-11 05:29 UTC
Discovered through bazaar.
Registry record checked2026-08-11 02:49 UTC
Registry health: degraded.

What evidence supports this listing?

402-indexobserved 2026-08-11 · open source record ↗

origin checkHEAD https://www.prowldata.dev/ → 404 on 2026-08-15

route quoteGET returned 404; no x402 quote was confirmed · 2026-08-15

Each record has an exact-route quote outcome. Unresolved templates and potentially mutating methods are labeled instead of being invoked without provider-specific test input. A quote is still separate from a settled paid call. Read the discovery and verification methodology →

Which networks and payment options does it accept?

The normalized listing price is $0.001 USD-denominated per request. Raw protocol requirements remain visible below for implementation and audit use.

The registry did not expose full payment options for this record.