Discover / x402-apis.pages.dev

x402-apis.pages.dev

■ Challenge detected

Use when an agent needs US government bond yields, a risk-free rate or the yield curve (e.g. 2Y/10Y spread, recession signal, discounting): official US Treasury daily par yield curve, 1 month to 30 years, latest or any day since 1990 (weekends/holidays return the previous business day). Includes 10Y-2Y and 10Y-3M spreads. Source named in every answer. Bad input: HTTP 400 before payment; outage is not charged.

Listed price
$0.002
Challenge detected
5 of the last 5 checks
Median response
281 ms
Last checked
18 Oct, 00:24 UTC
In our index since
13 Oct 2026

Endpoint

curl -i https://x402-apis.pages.dev/v1/treasury-yields
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.
5 listed endpoints · on x402 Bazaar

Checks and payment terms on this page refer to the endpoint above. Other listed endpoints have not been checked individually.

Base URLhttps://x402-apis.pages.dev/v1

  • GET/fx-rates$0.002Use when an agent needs an official exchange rate to convert prices, invoices or portfolios: ECB euro reference rates for ~30 currencies (USD, GBP, CHF, JPY, CNY …), latest or for any day since 1999, with any base currency (cross rates computed from the ECB fix). Returns the exact rate date. Source named in every answer. Bad input: HTTP 400 before payment; unknown currency or outage is not charged.
  • GET/inflation$0.002Use when an agent needs the official inflation rate (year-on-year consumer prices) for a country: Eurostat HICP for the euro area, EU and 36 European countries (incl. CH, NO, TR) and US CPI-U from the Bureau of Labor Statistics. Latest month plus up to 36 months of history, flash estimates flagged. Source named in every answer. Bad input: HTTP 400 before payment; outage is not charged.
  • GET/treasury-yields$0.002Use when an agent needs US government bond yields, a risk-free rate or the yield curve (e.g. 2Y/10Y spread, recession signal, discounting): official US Treasury daily par yield curve, 1 month to 30 years, latest or any day since 1990 (weekends/holidays return the previous business day). Includes 10Y-2Y and 10Y-3M spreads. Source named in every answer. Bad input: HTTP 400 before payment; outage is not charged.
  • GET/company$0.005Use when an agent must verify a company (KYC/KYB, supplier or invoice check): official legal name, address, legal form, active/dissolved, LEI, register number, VAT validity. Search by name= (+country=), id=, lei= or vat=. GLEIF worldwide plus official national registers: FR, NO, FI, LV, IE, GB, US, EE, TW, HK, SG, AU – also firms without LEI. Source named in every answer. Bad input: HTTP 400 before payment; no match or outage is not charged.
  • GET/interest-rates$0.002Use when an agent needs today's central bank rates for loans, savings, valuation or macro answers: ECB key rates (deposit facility, main refinancing, marginal lending, with the date they took effect) and US Fed funds target range, effective fed funds rate (EFFR) and SOFR from the New York Fed. Official sources only, named in every answer. region=EA, US or all (default). Bad input: HTTP 400 before payment; outage is not charged.

A dash means the listing gives no price or method. Copy buttons copy the full URL.

Showing 5 of 5 listed endpoints.

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/x402-apis.pages.dev

Recent checks

13 Oct 2026One bar per check, showing up to 20 recent checks. Coloured bars show relative response time, with a minimum visible height; full-height grey bars mean no challenge was detected. “Challenge detected” means HTTP 402 or another detected payment-challenge signal.18 Oct 2026
All 5 checks
When (UTC)ResultHTTPResponse
18 Oct, 00:24 UTCChallenge detected402240ms
16 Oct, 21:20 UTCChallenge detected40286ms
15 Oct, 18:22 UTCChallenge detected402281ms
14 Oct, 15:20 UTCChallenge detected402435ms
13 Oct, 12:22 UTCChallenge detected402462ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 18 Oct, 00:24 UTC, it returned HTTP 402 or another detected payment-challenge signal. This check did not test payment, delivery or compatibility with the Superstables client.

What price is recorded for x402-apis.pages.dev?

Its listed price is $0.002.

What payment terms does x402-apis.pages.dev advertise?

The listing advertises x402, Base and USDC. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is x402-apis.pages.dev listed?

In x402 Bazaar. Superstables first indexed it on 13 Oct 2026.

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