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/v1/beefy-vaultNo price listedFull detail of a Beefy Finance vault by id or vault contract address: APY breakdown, TVL, performance/deposit/withdraw fees, risk flags, deposited token and price, vault and strategy contracts, last harvest, plus an on-chain check of price per share and total deposits.
  • POST/v1/pdf-extract-textNo price listedExtract the text of a PDF from its URL.
  • POST/info-token-pagoNo price listedERC-20 token profile read directly from the contract on Base or Ethereum: name, symbol, decimals, total supply, bytecode size and whether it is an upgradeable EIP-1967 proxy (with implementation address).
  • POST/empresa-buscar-pagoNo price listedSearch US listed companies registered with the SEC by name or ticker: ticker, official name, CIK and exchange (Nasdaq, NYSE...). Get the right ticker before asking for filings or fundamentals.
  • POST/valorar-cartera-pagoNo price listedValue a crypto portfolio such as {"BTC": 0.1, "ETH": 2}: current value and weight of each holding and total; with a start date, its value then, return, annualized volatility and maximum drawdown. Prices from DefiLlama.
  • POST/funding-comparar-pagoNo price listedPerpetual funding rates on Hyperliquid, dYdX, Paradex and Aevo normalized to 1h, 8h and annualized APR. For one coin it compares venues and the long/short spread; without a coin it lists the biggest cross-exchange funding spreads (funding arbitrage).
  • POST/v1/detect-language-aiNo price listedLanguage detection with local AI: ISO 639-1 code, language name, confidence and any mixed languages.
  • POST/sol-dominio-inverso-pagoNo price listedPrimary (favourite) .sol domain of a Solana wallet, read on-chain and checked that the wallet still owns it.
  • POST/v1/contract-readNo price listedCall any read-only (view) function of an EVM contract from its signature, e.g. balanceOf(address)(uint256), with arguments, and get the decoded result. Supports address, bool, intN/uintN, bytesN, string, bytes and arrays. Read-only: nothing is signed or sent.
  • POST/v1/agent-readinessNo price listedHow ready a website is for AI agents: llms.txt, AI-crawler rules in robots.txt, sitemap, x402 payment discovery, OpenAPI, MCP manifest, security.txt, with a 0-100 score and concrete recommendations.
  • POST/v1/satellite-passesNo price listedNext passes of a satellite over a location (ISS by default, any NORAD id): rise, culmination and set times in UTC, max elevation, direction and whether it will be sunlit under a dark sky (visible to the naked eye). Orbits from CelesTrak.
  • POST/v1/us-mortgage-ratesNo price listedAverage US mortgage rates from Freddie Mac's weekly PMMS survey: 30- and 15-year fixed, latest value, weekly and yearly change and recent series.
  • POST/v1/jwt-verifyNo price listedDecode a JWT and verify its signature with the public keys of a JWKS URL (RS256, ES256, EdDSA...) or an HMAC secret, checking expiry, audience and issuer; returns header, claims and the exact reason if invalid. Tokens are not stored.
  • POST/precio-defi-pagoNo price listedToken prices from DefiLlama's aggregated open oracle, by id 'chain:contract' (or 'coingecko:slug'), up to 20 at once. Returns symbol, USD price, decimals and a confidence score. Works for any on-chain token, not just top coins. Live from DefiLlama.
  • POST/asn-info-pagoNo price listedInformation about an autonomous system: holder, whether it announces routes, registry block, number of IPv4 and IPv6 prefixes announced, approximate IPv4 addresses and a sample of prefixes. RIPEstat data.
  • POST/hyperliquid-posiciones-pagoNo price listedOpen perpetual positions of any wallet on Hyperliquid: side, size, entry, unrealized PnL, ROE, leverage, liquidation price, margin and funding paid, plus account value and withdrawable. Live open on-chain data.
  • POST/v1/tx-statusNo price listedTransaction status by hash on Base or Ethereum: pending / confirmed / failed, block, confirmations, gas used, fee paid, created contract and explorer link.
  • POST/v1/hackernews-searchNo price listedSearch Hacker News stories or comments by relevance or date, with points, comment count, author and links.
  • POST/v1/token-price-batchNo price listedPrice, liquidity, 24h volume, 1h/24h change and FDV of up to 50 tokens in one call (best-liquidity pair of each), on Solana or EVM chains. Built for bots that poll prices often.
  • POST/v1/sui-usdcNo price listedUSDC and stablecoins on Sui: native Circle USDC supply read live from the chain, total stablecoins on Sui and the main ones by circulation.
  • POST/gas-historial-pagoNo price listedFee history of the last N blocks on an EVM chain (eth_feeHistory): base fee per block, gas usage and priority tips at the 10th, 50th and 90th percentiles, with a tip recommendation to get included fast. 12 chains.
  • POST/v1/eu-gdpNo price listedReal quarterly GDP growth (seasonally adjusted) of any European country, the EU or the euro area: quarter-on-quarter and year-on-year; without a country, a ranking for the latest quarter. Official Eurostat data.
  • POST/comparar-json-pagoNo price listedDeep comparison of two JSON documents: added, removed and changed values with their exact path, optionally ignoring list order. Detect changes in API responses, configs or data snapshots.
  • POST/hackernews-portada-pagoNo 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/solana-token-buscar-pagoNo 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.

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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