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.

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/clima-espacial-pagoNo price listedSpace weather now from NOAA SWPC: geomagnetic Kp index (recent hours and max), storm level (G0-G5), latest solar X-ray flares, solar wind speed and active alerts. Affects satellites, GPS and power grids.
  • POST/validar-bic-pagoNo price listedBIC/SWIFT code validation and parsing: bank, country, location and branch codes, test-code flag.
  • POST/estadisticas-texto-pagoNo price listedText statistics without AI: characters, words, sentences, paragraphs, unique words, reading and speaking time, readability (Flesch / Flesch-Kincaid for English, Fernandez-Huerta for Spanish) and most frequent words.
  • POST/v1/fear-greed-historyNo price listedDaily history of the crypto Fear & Greed Index (0 extreme fear, 100 extreme greed): average, max, min, days in each zone and trend, with the series. Alternative.me data.
  • POST/coste-operacion-pagoNo price listedWhat a typical operation costs right now in USD on 12 EVM chains (Ethereum, Base, Arbitrum, Optimism, Polygon, BNB, Avalanche, Gnosis, Linea, Scroll, Sonic, Unichain): native transfer, ERC-20 transfer, DEX swap or NFT mint, sorted cheapest first.
  • POST/v1/eur-fx-historyNo price listedDaily ECB reference exchange rate of a currency against the euro for up to 5 years: latest, change, high, low, average and annualized volatility, with the series.
  • POST/pdf-buscar-pagoNo price listedSearch a text inside a PDF (URL) and return every match with its page and surrounding snippet, case-insensitive. Find clauses, figures or names in long documents.
  • POST/estables-desanclaje-pagoNo price listedUSD stablecoins currently trading away from their peg beyond a threshold, with price, deviation, market cap and mechanism. Early risk alert for treasuries and protocols. DefiLlama prices.
  • POST/v1/evm-transactionNo price listedFull transaction by hash: from, to, value, gas limit and prices, nonce, type, calldata and block. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll, Sonic and Unichain.
  • POST/v1/timezone-convertNo price listedConvert a date and time (or now) from one IANA time zone to up to 25 others: local time, UTC offset, abbreviation, daylight saving flag, weekday, hour difference, UTC and Unix timestamp.
  • POST/v1/url-inspectNo price listedTechnical inspection of a URL: status, redirects, time to first byte and total time, bytes, compression, content type, cache policy, server, CDN, cookies set, security headers present and all response headers.
  • POST/v1/domain-intelNo price listedDomain intelligence: WHOIS (registrar, creation and expiry dates), DNS records and SSL certificate details.
  • POST/calculadora-il-pagoNo price listedImpermanent loss calculator for Uniswap v2 (full range) and v3/v4 concentrated ranges: IL vs holding, out-of-range flag and final token mix.
  • POST/v1/virtuals-agentsNo price listedAI agent tokens on Virtuals Protocol (Base and Solana): search by name/symbol/category, or rank by market cap, 24h volume, top gainers/losers, newest launches or holders. Returns market cap, 24h change, volume, holders, category, chain and contract. Live from the Virtuals API.
  • POST/confianza-consumidor-ue-pagoNo price listedConsumer confidence indicator (balance, seasonally adjusted) for any European country, the EU or the euro area; without a country, a ranking. Below 0 = more pessimists than optimists. European Commission surveys via Eurostat.
  • POST/protocolo-comisiones-pagoNo price listedFees and revenue of ONE DeFi protocol in detail: 24h, 7d, 30d and all-time totals, with 1d/7d/1m trend. Fees are what users pay; revenue is what the protocol keeps. Live from DefiLlama.
  • POST/v1/dex-trendingNo price listedTokens getting attention on DEX Screener: top boosted (paid promotion, flagged as such), latest boosts or newest token profiles, with chain, address, description and social links. Filter by chain.
  • POST/permiso-token-pagoNo price listedERC-20 allowance lookup: how much a spender can move from an owner's balance, flagging unlimited approvals.
  • POST/v1/solana-token-infoNo price listedSolana SPL token profile and risk signals: supply, decimals, mint and freeze authorities (can the issuer mint more or freeze accounts?) and Token-2022 extensions.
  • POST/v1/xrpl-networkNo price listedXRP Ledger network status: latest validated ledger, fees, reserves, load, and amendments in voting with validator votes and threshold.
  • POST/analisis-tecnico-pagoNo price listedTechnical analysis of any Hyperliquid perpetual (crypto, stocks, commodities): RSI, MACD, EMA 20/50/200, Bollinger bands, ATR, stochastic, annualized volatility, recent highs/lows, relative volume, trend and volatility regime, and a list of signals. Intervals 15m, 1h, 4h, 1d.
  • POST/hyperliquid-validadores-pagoNo price listedHyperliquid validators for HYPE staking: name, stake and share, commission, active or jailed, recent blocks, daily uptime and predicted APR. Choose where to delegate HYPE.
  • POST/v1/geo-distanceNo price listedDistance between two coordinates (Vincenty geodesic on WGS84 plus great-circle), in km, miles and nautical miles, initial bearing and compass direction, midpoint and estimated time on foot, by car and by plane.
  • POST/staking-liquido-pagoNo price listedOn-chain exchange rate of the main Ethereum liquid staking tokens (wstETH, rETH, cbETH, weETH, sfrxETH) against ETH, read from their contracts, with current APY from DefiLlama.
  • POST/sol-alquiler-pagoNo price listedMinimum SOL for a Solana account of a given size to be rent-exempt (165 bytes = token account, 82 = mint, 0 = wallet), with common reference sizes.

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)ResultHTTPResponse
17 Oct, 07:50 UTCChallenge detected402372ms
15 Oct, 23:42 UTCChallenge detected402395ms
14 Oct, 19:26 UTCChallenge detected402417ms
12 Oct, 22:31 UTCNo challenge detected200423ms
11 Oct, 00:15 UTCNo challenge detected200394ms
9 Oct, 15:32 UTCNo challenge detected200382ms
8 Oct, 09:33 UTCNo challenge detected200429ms
7 Oct, 03:32 UTCNo challenge detected200376ms
4 Oct, 17:05 UTCNo challenge detected200394ms

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.

Something wrong on this page? Tell us.