x402 merchant

api.vextorium.com

Onchain data API on Base, Optimism and Polygon, paid per request with x402.

Endpoints3,010
Price per requestfrom $0.001
Outside payers · 7dn/a
Answer 4020 of 19

Overview

as of 2026-10-07

Seller wallet: 0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf
Chains: BaseOptimismPolygon
Hosts: api.vextorium.com
Categories: Onchain data1,038Market data603Other409Developer tools407Web data117Security112Identity111Media78Commerce66AI models36Search27Agents6
First seen: 2026-10-05 · last seen 2026-10-07

What we observed

Payments unknownNo 402 answer2026-10-07Not claimed

See the readings

Endpoints

3,010 registered

https://api.vextorium.com/v1/solana-wallet-profile
Quick profile of a Solana wallet: SOL balance, tokens held, first visible and last activity, 24h transaction rate and flags (new, inactive, bot-like, empty). Assess a counterparty or spot bots.
OptimismOnchain data
n/a/ request
2026-10-06
https://api.vextorium.com/v1/solana-wallet-value
Total USD value of a Solana wallet: SOL and every token priced with Jupiter, weight of each position, and count of tokens without price (likely spam or airdrops).
OptimismOnchain data
n/a/ request
2026-10-06
https://api.vextorium.com/v1/solana-wallet-value
Total USD value of a Solana wallet: SOL and every token priced with Jupiter, weight of each position, and count of tokens without price (likely spam or airdrops).
PolygonOnchain data
n/a/ request
2026-10-06
https://api.vextorium.com/v1/space-weather
Space weather now from NOAA SWPC: geomagnetic Kp index (recent hours and max), storm level (G0-G5), latest solar X-ray flares, solar wind speed and active alerts. Affects satellites, GPS and power grids.
OptimismOther
n/a/ request
2026-10-07
https://api.vextorium.com/v1/space-weather
Space weather now from NOAA SWPC: geomagnetic Kp index (recent hours and max), storm level (G0-G5), latest solar X-ray flares, solar wind speed and active alerts. Affects satellites, GPS and power grids.
PolygonOther
n/a/ request
2026-10-07
https://api.vextorium.com/v1/spain-bank-account-validate
Validate a Spanish bank account number (20-digit CCC) with both check digits, identify the bank and compute its IBAN; also breaks down a Spanish IBAN. Computed locally; nothing stored.
OptimismDeveloper tools
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-bank-account-validate
Validate a Spanish bank account number (20-digit CCC) with both check digits, identify the bank and compute its IBAN; also breaks down a Spanish IBAN. Computed locally; nothing stored.
PolygonDeveloper tools
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-boe-item
Official data of any Spanish BOE item (rank, department, dates, subjects, repeal status) and the beginning of its text.
OptimismDeveloper tools
n/a/ request
2026-10-03
https://api.vextorium.com/v1/spain-boe-summary
Spanish Official State Gazette (BOE) daily summary: every item of a given day with section, department and official links, filterable by section (e.g. civil service exams 'oposiciones', appointments, public procurement)…
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-boe-summary
Spanish Official State Gazette (BOE) daily summary: every item of a given day with section, department and official links, filterable by section (e.g. civil service exams 'oposiciones', appointments, public procurement)…
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-business-days
Spanish business-day calculator: count business days between dates or add N business days, using Spain's national public holidays.
OptimismDeveloper tools
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-business-days
Spanish business-day calculator: count business days between dates or add N business days, using Spain's national public holidays.
PolygonDeveloper tools
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-cadastre-by-coordinates
Cadastral parcel reference and address at given coordinates in Spain, to then query its data with catastro-inmueble. Official Catastro data.
OptimismCommerce
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-cadastre-by-coordinates
Cadastral parcel reference and address at given coordinates in Spain, to then query its data with catastro-inmueble. Official Catastro data.
PolygonCommerce
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-company-registry
Company acts registered in Spain's Commercial Registry (BORME section A) for a province and day: new companies with business purpose, address and share capital, dissolutions, insolvencies, capital increases, moves... Fi…
OptimismIdentity
n/a/ request
2026-10-05
https://api.vextorium.com/v1/spain-company-registry
Company acts registered in Spain's Commercial Registry (BORME section A) for a province and day: new companies with business purpose, address and share capital, dissolutions, insolvencies, capital increases, moves... Fi…
PolygonIdentity
n/a/ request
2026-10-05
https://api.vextorium.com/v1/spain-contract-awards
Spanish public contracts awarded to a company, or by a contracting authority, from official PLACSP open data: winners, awarded amounts (VAT excluded), dates and official links. Competitive intelligence for B2B agents.
OptimismOnchain data
n/a/ request
2026-10-05
https://api.vextorium.com/v1/spain-contract-awards
Spanish public contracts awarded to a company, or by a contracting authority, from official PLACSP open data: winners, awarded amounts (VAT excluded), dates and official links. Competitive intelligence for B2B agents.
PolygonOnchain data
n/a/ request
2026-10-05
https://api.vextorium.com/v1/spain-electricity-demand
Daily 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.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-electricity-demand
Daily 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.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-electricity-price
Hourly 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 …
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-electricity-price
Hourly 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 …
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-fuel-prices-by-province
Average, minimum and maximum price of a fuel in every Spanish province right now, from cheapest to most expensive, with the national average. Official Ministry data updated every 30 minutes.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-fuel-prices-by-province
Average, minimum and maximum price of a fuel in every Spanish province right now, from cheapest to most expensive, with the national average. Official Ministry data updated every 30 minutes.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-fuel-stations
Cheapest 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. Offici…
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-fuel-stations
Cheapest 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. Offici…
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-geocode
Turn a Spanish address, street, town or place into coordinates with the official CartoCiudad geocoder (IGN): normalized address, municipality and INE code, province, region, postcode and lat/lon.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-geocode
Turn a Spanish address, street, town or place into coordinates with the official CartoCiudad geocoder (IGN): normalized address, municipality and INE code, province, region, postcode and lat/lon.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-grants
Calls 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.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-grants
Calls 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.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-ine-indicators
Official Spanish indicators from INE: CPI (annual and monthly change), EPA unemployment rate (total and under 25) and house prices (annual and quarterly change), with recent periods. Without an indicator it returns the …
OptimismMarket data
n/a/ request
2026-10-07
https://api.vextorium.com/v1/spain-ine-indicators
Official Spanish indicators from INE: CPI (annual and monthly change), EPA unemployment rate (total and under 25) and house prices (annual and quarterly change), with recent periods. Without an indicator it returns the …
PolygonMarket data
n/a/ request
2026-10-07
https://api.vextorium.com/v1/spain-municipality
Find a Spanish municipality or town by name: INE code, province, region and coordinates, with alternatives when several match. Official CartoCiudad (IGN) data.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-municipality
Find a Spanish municipality or town by name: INE code, province, region and coordinates, with alternatives when several match. Official CartoCiudad (IGN) data.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-power-co2
Daily 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.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-power-co2
Daily 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.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-power-mix
Spain's electricity generation mix for a day: MWh and share by technology (wind, solar, nuclear, combined cycle, hydro...) and renewable percentage. Red Electrica de Espana data.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-power-mix
Spain's electricity generation mix for a day: MWh and share by technology (wind, solar, nuclear, combined cycle, hydro...) and renewable percentage. Red Electrica de Espana data.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-property
Public data of a Spanish property from the Catastro by cadastral reference: address, use, built area, year built, ownership share coefficient, plot type and area, building units and map link. No owner data (protected).
OptimismCommerce
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-property
Public data of a Spanish property from the Catastro by cadastral reference: address, use, built area, year built, ownership share coefficient, plot type and area, building units and map link. No owner data (protected).
PolygonCommerce
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-reverse-geocode
Nearest address to coordinates in Spain with the official CartoCiudad reverse geocoder (IGN): street and number, postcode, municipality, INE code, province, region and cadastral reference.
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-reverse-geocode
Nearest address to coordinates in Spain with the official CartoCiudad reverse geocoder (IGN): street and number, postcode, municipality, INE code, province, region and cadastral reference.
PolygonOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-social-security-validate
Validate a Spanish Social Security affiliation number (12 digits: province, number, control) and return the province of registration. Computed locally; nothing stored.
PolygonWeb data
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-social-security-validate
Validate a Spanish Social Security affiliation number (12 digits: province, number, control) and return the province of registration. Computed locally; nothing stored.
OptimismWeb data
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-tax-id-validate
Spanish tax ID validation (DNI/NIF, NIE and company CIF) with check-digit verification. Computed locally; the ID is not stored.
OptimismIdentity
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-tax-id-validate
Spanish tax ID validation (DNI/NIF, NIE and company CIF) with check-digit verification. Computed locally; the ID is not stored.
PolygonIdentity
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-tenders
Spanish 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.…
OptimismOther
n/a/ request
2026-10-05
https://api.vextorium.com/v1/spain-tenders
Spanish 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.…
PolygonOther
n/a/ request
2026-10-05
https://api.vextorium.com/v1/spain-traffic-incidents
Active traffic incidents on Spanish roads from the DGT: roadworks, accidents, queues, closures, adverse weather..., with road, kilometre point, province, municipality, coordinates and start time; filter by province, roa…
OptimismOther
n/a/ request
2026-10-06
https://api.vextorium.com/v1/spain-traffic-incidents
Active traffic incidents on Spanish roads from the DGT: roadworks, accidents, queues, closures, adverse weather..., with road, kilometre point, province, municipality, coordinates and start time; filter by province, roa…
PolygonOther
n/a/ request
2026-10-06

Evidence

as of 2026-10-07

Answers HTTP 402

0 of 19

0 of 19 probed endpoints answered HTTP 402 with a parseable payment payload

checked 2026-10-07

x402-style payments, last 7 days (Base)

unknown

unknown. the 7-day payments read on Base did not complete (ranges over 10000 blocks are not supported on free plan)

window ended 2026-10-07

By chain

Chain	Seller wallet	Endpoints	Answers 402	x402-style payments
Base	0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf	1,014	0 of 7 probed endpoints answered HTTP 402 with a parseable payment payload 2026-10-07	unknown. the 7-day payments read on Base did not complete (ranges over 10000 blocks are not supported on free plan)
Optimism	0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf	1,007	0 of 6 probed endpoints answered HTTP 402 with a parseable payment payload 2026-10-07	unknown. not measured on this chain yet
Polygon	0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf	989	0 of 6 probed endpoints answered HTTP 402 with a parseable payment payload 2026-10-07	unknown. not measured on this chain yet

One seller wallet, each chain read on its own. We never send a payment, so we never observe what a paid call returns. Unknown means we hold no reading, not that anything failed.

Pricing

Lowest

$0.001

per request, as registeredas of 2026-10-07

Highest

$0.02

per request, as registeredas of 2026-10-07

The price each endpoint registered in the x402 catalogue. A listed price is a registration, not an observed charge.

Claim this merchant

Sign a message from the payout address 0xb9f06d…b71acf to claim this page or download its payment ledger. Claiming proves control of the payout key. It says nothing about the service behind the address, and it does not change how this merchant is ranked. No email, no account: the signature is the whole credential, and signing a message costs no gas and moves nothing.

Data CC-BY-4.0, attribution: data by satohub.ai. Data: x402-list.com (CC BY 4.0). Data as of 2026-10-07. Appearing here is not an endorsement. Check an endpoint with the doctor.