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/ciclones-activos-pagoNo price listedActive tropical cyclones in the Atlantic and eastern/central Pacific from the US National Hurricane Center: name, type (hurricane, storm...), max wind, pressure, position, movement and links to the official advisory and track.
  • POST/v1/mastodon-trending-tagsNo price listedHashtags trending on a Mastodon instance, with uses and accounts today and uses over the last 7 days.
  • POST/v1/bluesky-mediaNo price listedLatest Bluesky posts from a profile that include images or video, with direct media links, likes, reposts and replies.
  • POST/v1/wikidata-entityNo price listedStructured facts from Wikidata about a person, company, place or work by name or Q-id: type, country, population, dates, founders, headquarters, website, ticker, currency, version... labelled in your language. Grounded answers without free text.
  • POST/vault-4626-pagoNo price listedRead any ERC-4626 tokenized vault (Morpho, Yearn v3, Euler, Fluid, sDAI...) on-chain: underlying asset, total assets, shares outstanding, price per share and approximate TVL in USD.
  • POST/demanda-electrica-espana-pagoNo price listedDaily electricity demand in Spain (MWh) for the last N days with average, peak and low days and change versus the previous half of the period. Red Electrica de Espana data.
  • POST/pais-info-pagoNo price listedCountry profile: name, ISO codes, capital and its coordinates, region, income level, phone prefix, time zones and latest population and GDP per capita. World Bank and libphonenumber data.
  • POST/v1/spain-power-co2No price listedDaily CO2 emissions of electricity generation in Spain (tonnes) by technology (combined cycle, cogeneration, coal...) and emission factor (tCO2/MWh) over the last days. Red Electrica de Espana data.
  • POST/materias-primas-pagoNo price listedMonthly prices of about 70 commodities (Brent and WTI oil, natural gas, coal, gold, silver, copper, aluminium, wheat, maize, coffee, cocoa, sugar, fertilizers...) for the latest published month, with monthly and annual change. World Bank Pink Sheet.
  • POST/v1/sol-domain-reverseNo price listedPrimary (favourite) .sol domain of a Solana wallet, read on-chain and checked that the wallet still owns it.
  • POST/tokens-nuevos-seguros-pagoNo price listedFreshly launched tokens that pass safety filters: on Solana the latest DEX Screener profiles and boosts, on Base/Ethereum pools created in the last hour. Each candidate is checked for minimum liquidity, contract risk and volume authenticity; only those that pass are returned. Not buy recommendations.
  • POST/tokenizadas-ranking-pagoNo 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/token-allowanceNo price listedERC-20 allowance lookup: how much a spender can move from an owner's balance, flagging unlimited approvals.
  • POST/fear-greed-pagoNo price listedCrypto Fear & Greed Index (0-100) with classification. Data source: Alternative.me (attribution included in the response).
  • POST/bloque-info-pagoNo price listedLatest block on an EVM chain: number, hash, time, age in seconds, transaction count, gas used % and base fee.
  • POST/v1/hyperliquid-tradesNo price listedLatest trades executed by any wallet on Hyperliquid: asset, side, open/close direction, price, size, USD value, realized PnL and fee, with totals. Track a trader or audit a bot.
  • POST/v1/crypto-price-onchainNo price listedCrypto price in USD and EUR from on-chain sources only: Chainlink oracles (BTC, ETH, USDC) or Uniswap v3 quotes on Base (USDT, DAI or any Base token address); EUR via ECB rate.
  • POST/v1/tron-transfer-costNo price listedWhat it costs right now to send USDT (TRC-20) and TRX on Tron: energy and bandwidth prices, typical energy of a USDT transfer to an address with and without USDT, and the TRX burned if you have no resources.
  • POST/calculadora-perpetuo-pagoNo price listedPerpetual futures calculator (isolated margin): liquidation price and distance, notional and size, PnL at stop-loss and take-profit, reward/risk ratio, and position sizing to risk a fixed USD amount.
  • POST/protocolos-categoria-pagoNo price listedRanking of DeFi protocols in a category (Lending, Dexs, Liquid Staking, Bridge, Yield, Derivatives, RWA, CDP, Restaking...) by TVL, optionally on one chain, with 1d and 7d change and share of the category.
  • POST/v1/aave-positionNo price listedAave v3 position health for a wallet on five chains: collateral, debt, borrowing power, LTV, liquidation threshold and health factor with a risk label.
  • POST/polymarket-historial-pagoNo price listedHow the probability of a Polymarket outcome moved over the last hour, day, week, month or all time, with max, min and change in percentage points.
  • POST/v1/hackernews-topNo price listedWhat's being read on Hacker News now: top, new, best, Ask HN, Show HN or jobs stories with points, comments, author, age and link. A pulse of tech, AI and startups.
  • POST/decodificar-vin-pagoNo price listedDecode a vehicle identification number (17-character VIN): make, model, year, trim, body, engine, fuel and electrification, transmission, drive, plant city and country, and safety equipment. Official NHTSA vPIC data.
  • POST/v1/spain-boe-itemNo price listedOfficial data of any Spanish BOE item (rank, department, dates, subjects, repeal status) plus a clear AI summary in Spanish from a local model: what it is, who it affects, what it establishes and its deadlines.

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.

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