Discover / api.vextorium.com

Historical ECB rates | Vextorium

■ Challenge detected

Historical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.

x402
Base
EVM chain 5042
Optimism
Polygon
Solana
Xrpl
USDC
XRP
Blockchain

Listed price: $0.003
Challenge detected: 3 of the last 9 checks
Median response: 395 ms
Last checked: 17 Oct, 07:50 UTC
In our index since: 27 Sept 2026

Endpoint

curl -i https://api.vextorium.com/v1/ecb-rates-history
# 402 Payment Required: pay with an x402 client (USDC on Base),
# then send the same request again with the payment attached.

1,069 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://api.vextorium.com

POST/v1/stablecoin-pegNo price listedPeg health of a stablecoin (USDT, USDC, DAI, USDe...): current price, deviation from $1, whether it is on peg, circulating supply and pegging mechanism. Detects depegs early. Live from DefiLlama.
POST/vulnerabilidad-info-pagoNo price listedDetails of a vulnerability by id (CVE-2021-44228, GHSA-..., PYSEC-...): summary, description, severity and CVSS vector, affected packages, fixed versions and references. OSV.dev data.
POST/ton-saldo-pagoNo price listedBalance of a TON address: native TON, account status, .ton domain and its jettons (USDT, NOT, DOGS...) with name, symbol, amount and scam flag. Live from a public TON node.
POST/v1/insider-tradesNo price listedLatest trades by officers, directors and 10% holders of a US listed company (SEC Form 4): who (title), date, buy or sell, transaction type, shares, price, value and holdings after, plus totals of open-market buys and sells.
POST/v1/phone-validateNo price listedValidate and normalize a phone number from any country: E.164, national and international format, type (mobile, landline, toll-free, VoIP...), country, region, original carrier and time zones. Nothing is called or stored.
POST/alertas-desastres-pagoNo price listedNatural disaster alerts worldwide (earthquakes, tropical cyclones, floods, volcanoes, droughts, wildfires) from GDACS, by the UN and the European Commission's Joint Research Centre: country, alert level, severity and dates.
POST/opciones-volumen-pagoNo price listedOn-chain crypto options market (Derive, Aevo, Premia...): notional volume over 24h, 7d and 30d in total and per protocol, with changes and market shares. DefiLlama data.
POST/jsonpath-consulta-pagoNo price listedQuery a JSON document with JSONPath, including filters and functions ($.items[?(@.price > 10)].name, $..id...): matching values and their paths. Send the JSON in the data field (datos on the Spanish route) or a URL to fetch it.
POST/empleo-eeuu-pagoNo price listedUS labor market: unemployment rate, nonfarm payrolls with monthly job change, and average hourly earnings with annual growth. US Bureau of Labor Statistics, public domain.
POST/aeropuerto-buscar-pagoNo price listedFind airports by IATA/ICAO code, name or city, or the nearest to coordinates: name, codes, city, country, coordinates, elevation and scheduled service. OurAirports open data.
POST/v1/tokenized-stock-rankingNo price listedRanking of tokenized stocks and ETFs on Solana by on-chain market cap with holders and liquidity, plus totals per issuer (xStocks vs Ondo). Track the growth of tokenized equities.
POST/v1/sec-13d-latestNo price listedLatest disclosures of stakes above 5% filed with the SEC: Schedule 13D (activist investors) or 13G (passive), with subject company, filer, date and link, including amendments.
POST/v1/exchange-reservesNo price listedOn-chain reserves of centralized exchanges (Binance, OKX, Bybit, Coinbase...) from their published wallets: total and ex-own-token assets, net inflows/outflows over 24h, 7d and 30d, spot and derivatives volume and open interest. Sort by reserves or flows.
POST/revisar-firma-pago$0.005Explain an EIP-712 typed-data signature before signing it: x402/EIP-3009 payment authorizations, EIP-2612 permits, Permit2 and Seaport orders. Flags unlimited allowances, long validity and non-official tokens, and returns the exact hash to compare with your wallet.
POST/resumen-extractivo-pagoNo price listedExtractive summary without AI: picks the most representative sentences (term frequency and position scoring) and returns them in original order, with the reduction percentage. Deterministic and instant.
POST/v1/hyperliquid-leaderboardNo price listedHyperliquid trader leaderboard by PnL, ROI or volume over the day, week, month or all time, with account value (accounts without trading volume, like vaults, are excluded). Find top traders and whales to follow; see a wallet's positions with hyperliquid-posiciones.
POST/v1/country-rankingsNo price listedWorld ranking of countries by a World Bank indicator (GDP, GDP per capita, growth, inflation, population, unemployment, public debt, life expectancy, CO2 per capita, renewables, FDI...), latest value of each country from the last 5 years.
POST/tipo-cambio-efectivo-pagoNo price listedReal effective exchange rate of a currency against 64 economies (inflation-adjusted): rises mean the currency gets dearer and the country loses competitiveness. Ranking with annual change, or one country's series. BIS data.
POST/v1/image-paletteNo price listedDominant colors of an image (URL or base64) with their share, in HEX and RGB, plus the average color and light/dark tone. For brand palettes, themes or tagging images by color.
POST/v1/keywordsNo price listedExtract keywords and keyphrases from a text without AI (RAKE algorithm scoring frequency and degree), in Spanish or English, plus most frequent words. For tagging, indexing and SEO.
POST/actividad-tokenizada-pagoNo price listedOn-chain activity of tokenized stocks on Solana: current supply per issuer and recent issuance (mint when shares are deposited) and redemptions (burn), with transaction links.
POST/v1/euro-money-supplyNo price listedYear-on-year growth of euro area money supply M1, M2 and M3, month by month. A leading indicator of inflation and liquidity. Official ECB data.
POST/sol-stake-cuenta-pagoNo price listedSolana stake account: SOL staked, delegated validator vote account, status (active, activating, deactivating, inactive), activation and deactivation epochs, stake and withdraw authorities and lockup.
POST/v1/apr-apyNo price listedConvert APR to APY or APY to APR for any compounding frequency (continuous, daily, hourly, per block...) and optionally project the final value and gain of a deposit over N days. Useful to compare DeFi yields.
POST/v1/tech-detectNo price listedDetect the technologies behind a website: CMS (WordPress, Shopify...), frameworks (Next.js, React...), server and CDN, analytics, payments, chat, cookie manager, captcha and fonts, from HTML and headers. For lead generation and competitive research.

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

Showing 25 of 1,069 listed endpoints. Next endpoints First endpoints

Agents can find it through the Superstables MCP server and JSON API: GET /api/v1/services/api.vextorium.com

Recent checks

4 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.17 Oct 2026

All 9 checks

When (UTC)	Result	HTTP	Response
17 Oct, 07:50 UTC	Challenge detected	402	372ms
15 Oct, 23:42 UTC	Challenge detected	402	395ms
14 Oct, 19:26 UTC	Challenge detected	402	417ms
12 Oct, 22:31 UTC	No challenge detected	200	423ms
11 Oct, 00:15 UTC	No challenge detected	200	394ms
9 Oct, 15:32 UTC	No challenge detected	200	382ms
8 Oct, 09:33 UTC	No challenge detected	200	429ms
7 Oct, 03:32 UTC	No challenge detected	200	376ms
4 Oct, 17:05 UTC	No challenge detected	200	394ms

Questions

Did our last probe detect a payment challenge?

At our last probe on 17 Oct, 07:50 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 Historical ECB rates | Vextorium?

Its listed price is $0.003.

What payment terms does Historical ECB rates | Vextorium advertise?

The listing advertises x402, Base, EVM chain 5042, Optimism, Polygon, Solana, Xrpl, USDC and XRP. It names cdp as its facilitator. Check the seller's current payment challenge and authentication requirements before paying.

Where is Historical ECB rates | Vextorium listed?

In x402 Bazaar and x402-list.com. Superstables first indexed it on 27 Sept 2026.

Payment

Protocol: x402 · exact
Chains: Base, EVM chain 5042, Optimism, Polygon, Solana, Xrpl
Asset: USDC, XRP
Amount: 3000 atomic USDC
Paid to: HcjfmZ…3pz2
Facilitator: cdp

From its payment challenge on 17 Oct 2026.

Check the seller's current payment challenge and authentication requirements before paying. A listing doesn't mean a service works with Superstables. To try a budget or a single purchase, see the services you can try on testnet.

Listed in

Also live on x402 · Base

100pro Token Risk ScreenRead-only due diligence for onchain traders and agents, paid per call over x402 on Base.
Base Token VerdictCheck this CA: Base ERC-20 verdict of a token contract address.
Blackwood State Domain IntelUse when you need a whois or domain lookup, dns records, email security checks or…
bruk-agent-api.fly.devChecks whether an XRP Ledger token issuer is who it claims to be: two-way domain…

Browse the index

Something wrong on this page? Tell us.