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Vextorium

Historical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.

Visit api.vextorium.com

Host	api.vextorium.com
Price	$0.002–$0.02 per call
Network	Base, Solana
Paid endpoints listed	463
Calls, last 30 days*	1,713
Most unique payers on one endpoint (30 days)*	7
Last paid call*	2026-10-17
Tags	devtools, eu, macro, eurostat, spain, validation, security, llm

* From the public x402 Bazaar index (snapshot 2026-10-18T04:07Z); reported by the facilitator, not measured by us.

Endpoints

URL	Method	Price
`https://api.vextorium.com/v1/ecb-rates-history` Historical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.	POST
`https://api.vextorium.com/v1/eur-fx-history` Daily ECB reference exchange rate of a currency against the euro for up to 5 years: latest, change, high, low, average…	POST
`https://api.vextorium.com/dias-habiles-pago` Spanish business-day calculator: count business days between dates or add N business days, using Spain's national…	POST
`https://api.vextorium.com/validar-nif-pago` Spanish tax ID validation (DNI/NIF, NIE and company CIF) with check-digit verification. Computed locally; the ID is…	POST
`https://api.vextorium.com/v1/random` Randomness for agents: flip coins, roll dice, draw numbers in a range, pick from a list or shuffle it.…	POST
`https://api.vextorium.com/divisas-bce-pago` Official European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any…	POST
`https://api.vextorium.com/validar-bic-pago` BIC/SWIFT code validation and parsing: bank, country, location and branch codes, test-code flag.	POST
`https://api.vextorium.com/horario-bolsas-pago` World stock exchanges clock: status (open, closed, lunch break), local time, today's session and next open for NYSE,…	POST
`https://api.vextorium.com/validar-iban-pago` IBAN validation (ISO 13616 mod-97 and per-country length, SEPA membership; for Spain also the national CCC check…	POST
`https://api.vextorium.com/horario-eeuu-pago` US stock market clock (NYSE/Nasdaq): open, closed, pre-market or after-hours now (or at a given time), holiday reason,…	POST
`https://api.vextorium.com/v1/crypto-price` Current price of up to 50 cryptocurrencies by ticker (BTC, ETH, SOL, XRP...) in USD or any ECB currency (EUR, GBP,…	POST
`https://api.vextorium.com/reparar-json-pago` Repair broken JSON, typical of LLM output: strips ```json fences, comments and surrounding text, trailing commas,…	POST
`https://api.vextorium.com/ine-espana-pago` Official Spanish indicators from INE: CPI (annual and monthly change), EPA unemployment rate (total and under 25) and…	POST
`https://api.vextorium.com/validar-iva-pago` EU VAT number format validation for all member states (plus Spanish check digit). Does not query VIES.	POST
`https://api.vextorium.com/evm-utilidades-pago` EVM developer utilities: keccak256 hash, function selector from a signature, EIP-55 checksum address and…	POST
`https://api.vextorium.com/calculadora-il-pago` Impermanent loss calculator for Uniswap v2 (full range) and v3/v4 concentrated ranges: IL vs holding, out-of-range…	POST
`https://api.vextorium.com/bce-historico-pago` Historical ECB euro reference exchange rate for any date since 1999 and conversion between any two published currencies.	POST
`https://api.vextorium.com/validar-email-pago` Email validation: syntax, domain MX records and disposable-domain flag. Sends no email; the address is not stored.	POST
`https://api.vextorium.com/v1/ping` Test your x402 client or agent for the minimum price: confirms the payment arrived and echoes back the network,…	POST
`https://api.vextorium.com/v1/my-ip` Your public IP address as the server sees it, IPv4/IPv6, whether it is public or private, plus your user agent.…	POST
`https://api.vextorium.com/v1/json-repair` Repair broken JSON, typical of LLM output: strips ```json fences, comments and surrounding text, trailing commas,…	POST
`https://api.vextorium.com/v1/us-market-hours` US stock market clock (NYSE/Nasdaq): open, closed, pre-market or after-hours now (or at a given time), holiday reason,…	POST
`https://api.vextorium.com/v1/token-price-movers` Price change in % of up to 20 cryptocurrencies over 1h, 24h or 7d, sorted from best to worst, with current price.…	POST
`https://api.vextorium.com/v1/page-links` All links on a page classified as internal or external, with anchor text, nofollow/sponsored, new-tab flags and the…	POST
`https://api.vextorium.com/v1/jwt-verify` Decode a JWT and verify its signature with the public keys of a JWKS URL (RS256, ES256, EdDSA...) or an HMAC secret,…	POST

Source: x402 Bazaar discovery API (Coinbase CDP) · Licence: Public discovery metadata; descriptions by each provider. Listed in x402 pay-per-call APIs. We list tools; we do not test, rate or endorse them.

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