Discover / api.vextorium.com
Historical ECB rates | Vextorium
■ Challenge detectedHistorical 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:
- POST/v1
/eu-fuel-pricesNo price listedAverage price with taxes of petrol 95, diesel, heating oil and LPG in each EU country (European Commission Weekly Oil Bulletin), in EUR per litre, sorted cheapest first. - POST/v1
/solana-swap-routeNo price listedBest route and price to swap one Solana token for another: how much you receive, the price impact and which DEXs the route goes through. Accepts symbols (SOL, USDC...) or mint addresses. Live from Jupiter, Solana's leading aggregator. - POST/sanciones-recientes-pagoNo price listedRecent additions to the EU consolidated sanctions list (persons and entities designated in the last N days) with program (country or regime), type and date. Keep a compliance screen up to date.
- POST/v1
/stablecoin-depegNo 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/correlacion-activos-pagoNo price listedCorrelation matrix of daily returns for 2-8 crypto assets over up to 2 years, with each asset's return and annualized volatility and the least correlated pair. For diversification and hedging. Prices from DefiLlama.
- POST/hedera-cuenta-pagoNo price listedHedera account (0.0.x or EVM address): HBAR balance, associated HTS tokens with balances, staking node, pending reward, creation date and USD value.
- POST/hyperliquid-mapa-liquidaciones-pagoNo price listedLiquidation map of the largest Hyperliquid accounts for a coin: at which prices their longs (below) and shorts (above) would be liquidated, bucketed with the notional at risk, and the closest levels to the current price.
- POST/v1
/mcp-inspectNo price listedConnect to a remote MCP server (Streamable HTTP) as a client and return its name, version, instructions, capabilities and tool list with descriptions and parameters, without calling any tool. Know what an MCP server offers before trusting it. - POST/v1
/solana-validatorsNo price listedSolana validators: active stake and share, commission, last vote, epoch credits (performance) and delinquent status. Rank by stake, commission or credits, or look one up by vote or identity key. For choosing where to stake. - POST/defi-comisiones-pagoNo price listedDeFi protocols ranked by the fees users pay them (24h, 7d, 30d), with category and 7d trend. Optional per chain. High, steady fees = a real business. Live from DefiLlama.
- POST/v1
/spain-social-security-validateNo price listedValidate a Spanish Social Security affiliation number (12 digits: province, number, control) and return the province of registration. Computed locally; nothing stored. - POST/v1
/spain-grantsNo price listedCalls for public grants and subsidies in Spain from every administration (State, regions, city councils) in the National Grants Database (BDNS), latest or by keyword, with level, body, EU recovery funds flag and link. - POST/v1
/vin-decodeNo 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
/tx-decodeNo price listedAn EVM transaction explained: method called and its decoded parameters with names (when the contract is verified), token transfers it triggered, value, fee, status, revert reason and names of the addresses involved. - POST/v1
/spain-fuel-stationsNo price listedCheapest petrol stations in Spain for a fuel (gasoline 95/98, diesel, LPG, CNG, AdBlue, hydrogen) by town, province or near coordinates: price, brand, address, opening hours and distance, plus the area's average. Official Ministry prices, updated every 30 minutes. - POST/v1
/solana-token-searchNo price listedSearch Solana tokens by name, symbol or mint with Jupiter: every match with verification, organic score, price, market cap, liquidity, holders and risk flags, to tell the real token from copycats. - POST/precio-luz-espana-pagoNo price listedHourly regulated electricity price in Spain (PVPC 2.0TD, mainland) for today, tomorrow (published ~20:30) or any date: every hour in EUR/kWh, daily average, cheapest and most expensive hours and best 3-hour window. Red Electrica de Espana data.
- POST/bitcoin-transaccion-pagoNo price listedStatus of a Bitcoin transaction by txid: confirmed or in mempool, confirmations, block, total fee and fee rate (sat/vB), size, RBF flag, inputs and outputs with amounts.
- POST/cex-reservas-pagoNo 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/ensayos-clinicos-pagoNo price listedClinical trials on ClinicalTrials.gov by disease, drug or sponsor: title, NCT id, status, phase, conditions, interventions, sponsor, dates, enrollment and countries; recruiting ones by default.
- POST/v1
/aave-apy-historyNo price listedDaily history of the supply APY (base and rewards) and TVL of an Aave v3 market (asset and chain), with average, max and min over the period. DefiLlama data. - POST/v1
/solana-trending-tokensNo price listedTrending Solana tokens by organic score (real activity, not bots) over 5m/1h/6h/24h, or the newest tokens, with price, market cap, liquidity, holders, change, verification and risk flags (mint/freeze authority, holder concentration, low liquidity). From Jupiter. - POST/v1
/evm-balance-12-chainsNo price listedBalance of one EVM wallet on all 12 chains at once (Base, Ethereum, Arbitrum, Optimism, Polygon, BNB, Avalanche, Gnosis, Linea, Scroll, Sonic, Unichain): native coin, USDC and USDT on each, which chains hold funds and total stablecoins. - POST/v1
/image-convertNo price listedConvert and resize an image (URL or base64) to WebP, JPEG or PNG keeping aspect ratio and stripping EXIF/GPS metadata; returns base64 and a data URI with the size saving. - POST/v1
/central-bank-pressNo price listedLatest press releases from central banks and financial regulators (Federal Reserve, ECB, SEC, CFTC, ESMA) in one feed by date, with title, link and summary as published; filter by source or keyword (rate, crypto, stablecoin...).
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
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.
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