ToolVet
80trust / 100

Interest Rates Market Yield On U S Treasury Securities At 30 Year Constant Maturity Quoted On An Investment Basis

by StationFX in Markets & finance

x402 APIPassing, checked 2 h ago

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.

GET
https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis
Price
$0.005
per call in USDC
Uptime
100%
last 30 days
Response time
191 ms
262 ms slowest 5%
Last check
Passed
2 h ago, next any minute now

Run a free test callHow to call it

Reliability

All checks passedSome failedAll failedNot checked

Status and outage history · Atom feed

How to call it

GET https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis

Each call costs $0.005 in USDC on Base, paid with the request over x402.

Run a free test callOne unpaid request, the way an agent sends it. You see the payment challenge it gets back. Nothing is charged.

Example request

From the listing.

GET https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis?date_from=2024-01-01&date_to=2024-12-31&fmt=json

Parameters

ParameterTypeRequiredDescription
date_fromstringNoStart date YYYY-MM-DD
date_tostringNoEnd date YYYY-MM-DD
fieldsstringNoComma-separated metric names
fmtstringNoResponse format. Use toon for compact agent-friendly output. One of: json, toon.

Example response

The provider's example. We can't check it without paying.

{
  "data": [
    {
      "date": "2024-01-01",
      "mom_pct": 0,
      "trend_direction": 1,
      "value": 5.33,
      "yoy_change": 0.5,
      "zscore_12m": 1.2
    }
  ],
  "meta": {
    "frequency": "D",
    "source_key": "DGS30"
  }
}

Call it from code

The curl command shows the payment challenge. The JavaScript and Python versions pay and call, and never pay more than $0.005.

curl: see the payment challenge
# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -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?date_from=2024-01-01&date_to=2024-12-31&fmt=json'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis?date_from=2024-01-01&date_to=2024-12-31&fmt=json' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode
JavaScript: pay and call
// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fstationfx.com%2Feconomic-data%2Finterest-rates%2Fmarket-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis
const res = await pay("https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis?date_from=2024-01-01&date_to=2024-12-31&fmt=json");
console.log(res.status, await res.text());
Python: pay and call
# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://stationfx.com/economic-data/interest-rates/market-yield-on-u-s-treasury-securities-at-30-year-constant-maturity-quoted-on-an-investment-basis?date_from=2024-01-01&date_to=2024-12-31&fmt=json")
    print(res.status_code, res.text)

Security scan

No findings

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Recent checks

WhenResultHTTPTimePrice
2 h agoPassed402235 ms$0.005
6 h agoPassed402380 ms$0.005
10 h agoPassed402221 ms$0.005
14 h agoPassed402219 ms$0.005
18 h agoPassed402232 ms$0.005
Show 10 older checks
22 h agoPassed402286 ms$0.005
26 h agoPassed402180 ms$0.005
30 h agoPassed402173 ms$0.005
34 h agoPassed402223 ms$0.005
37 h agoPassed402159 ms$0.005
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45 h agoPassed402201 ms$0.005
2 days agoPassed402189 ms$0.005
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2 days agoPassed402248 ms$0.005