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/cambio-precio-tokens-pagoNo price listedPrice change in % of up to 20 tokens over 1h, 24h, 7d, 30d, 90d or 1y, sorted from best to worst, with current price. Symbols or chain:contract ids. DefiLlama data.
  • POST/token-solana-pagoNo price listedProfile of a Solana token by symbol, name or mint: price, market cap, holders, liquidity, whether it is verified, an organic-quality score, audit flags (top-holder concentration, mint authority) and socials. Ideal to tell a legit token from a scam impersonator. Live from Jupiter.
  • POST/v1/aptos-walletNo price listedAptos wallet: APT balance and other fungible assets (USDC, USDT...) with amount and USD value, number of sent transactions and whether the account exists.
  • POST/token-riesgo-pagoNo price listedERC-20 admin-control check: detects owner privileges, upgradeable proxy, mint, pause, blacklist and fee-setting functions in the contract code. Measures issuer control, not a scam verdict.
  • POST/v1/us-jobs-reportNo 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/salario-minimo-ue-pagoNo price listedGross monthly minimum wage in euros of European countries that have one (ranking), or the evolution for one country. Official Eurostat data.
  • POST/sec-8k-recientes-pagoNo price listedMost recent 8-K current reports filed with the SEC (material events of US companies) with their items: earnings (2.02), material agreements (1.01), officer changes (5.02), acquisitions (2.01), bankruptcy (1.03)... Filter by item or company name.
  • POST/rendimientos-prestamo-pagoNo price listedSupply yield for an asset on the most used lending markets (Aave v3, Morpho, Compound v3, Spark, Euler, Fluid) by chain: total, base and reward APY and TVL, best first.
  • POST/terremotos-pagoNo price listedRecent earthquakes worldwide from the USGS: magnitude, place, depth, time, PAGER damage alert, tsunami flag and felt reports; filter by minimum magnitude, period (hour to month) and distance to coordinates.
  • POST/mineria-rentabilidad-pagoNo price listedBitcoin mining profitability now: hashprice (USD per TH/s per day) from the real subsidy and recent fees, and for your machine (hashrate, J/TH efficiency and power price) daily revenue, electricity cost, profit and break-even kWh price.
  • POST/grafico-precio-pagoNo price listedDaily price series of a token for up to 365 days with change, high, low, maximum drawdown and annualized volatility. Accepts symbols (BTC, ETH, SOL...) or chain:contract ids. Aggregated by DefiLlama.
  • POST/v1/decode-selectorNo price listedTranslates a 4-byte function selector (e.g. 0xa9059cbb) or a 32-byte event topic into its human-readable signature (e.g. transfer(address,uint256)). Essential for an agent reading or verifying transactions. Live from 4byte.directory.
  • POST/v1/airport-distanceNo price listedGreat-circle distance between two airports by IATA or ICAO code in km, miles and nautical miles, bearing, approximate flight time and estimated economy-class CO2 per passenger.
  • POST/v1/europe-power-pricesNo price listedWholesale day-ahead electricity price in a European country or zone (DE, FR, ES, PT, IT, NL, BE, AT, PL, CH, Nordics...) for today or a given day: hourly EUR/MWh, average, max, min and cheapest and most expensive hours. Use «todos» to compare the daily average across countries.
  • POST/v1/evm-token-balanceNo price listedBalance of one ERC-20 token in a wallet with symbol and decimals. Works on Base, Ethereum, Arbitrum, Optimism, Polygon, BNB Chain, Avalanche, Gnosis, Linea, Scroll, Sonic and Unichain.
  • POST/verificar-tokenizada-pagoNo price listedAnti-scam check for tokenized stocks on Solana: tells whether a token mint was issued by an official issuer (xStocks/Backed, Ondo) via its mint authority, or is a POSSIBLE IMITATION posing as one.
  • POST/v1/us-market-hoursNo price listedUS stock market clock (NYSE/Nasdaq): open, closed, pre-market or after-hours now (or at a given time), holiday reason, early closes, next open/close and upcoming holidays. Key for 24/7 tokenized stocks.
  • POST/sol-tx-pagoNo price listedSolana transaction status by signature: confirmed / failed / processing, slot, time, fee in SOL, signers, programs invoked and token balance changes.
  • POST/v1/openapi-summaryNo price listedFetch an OpenAPI/Swagger spec (JSON or YAML) and summarize it for an agent: title, version, servers, authentication schemes and every endpoint with method, path, summary and required parameters.
  • POST/mi-ip-pagoNo price listedYour public IP address as the server sees it, IPv4/IPv6, network prefix, operator (ASN) and registration country, plus your user agent. Check where an agent exits from or whether a proxy/VPN works.
  • POST/dns-propagacion-pagoNo price listedCheck DNS propagation of a record across 8 public resolvers worldwide (Google, Cloudflare, Quad9, OpenDNS, AdGuard...): each answer and TTL and whether they all agree. Use after changing DNS.
  • POST/defi-categorias-pagoNo price listedDeFi TVL grouped by category (Lending, Dexs, Liquid Staking, CDP, Yield...): value locked, share of the total and number of protocols per category. Shows where the money is by product type. Live from DefiLlama.
  • POST/v1/sanctions-screeningNo price listedScreen a person, company, vessel or entity against the EU consolidated financial sanctions list and the US OFAC SDN list, with fuzzy matching of names and aliases, program, type, countries and reference. For KYC/AML before paying or onboarding.
  • POST/tokens-seguridad-lote-pagoNo price listedRisk verdict for up to 25 tokens in ONE paid call (Solana or EVM chains): 0-100 score, level, top 3 signals (mint/freeze authority, honeypot pattern, owner powers, liquidity, age), price and liquidity, plus the list of tokens to avoid. Each token is isolated: one bad token never fails the batch. Built for trading bots screening many tokens.
  • POST/v1/spain-tendersNo price listedSpanish public procurement tenders from official PLACSP open data (Plataforma de Contratación del Sector Público): search open calls by keywords, CPV code, province, contract type (works, services, supplies) and budget. Returns title, contracting authority, budget, submission deadline, CPV codes, location, EU funding and the official link. Updated every 20 minutes.

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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