Sato Hub
x402 merchant

api.vextorium.com

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

  • Endpoints2,395
  • Price per requestfrom $0.001
  • Outside payers · 7dn/a
  • Answer 4020 of 7

Overview

as of 2026-10-06
Seller wallet
0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf
Chains
BaseOptimismPolygon
Hosts
api.vextorium.com
CategoriesCategoriesAssigned automatically from the seller’s own listing text. A filter hint, not a claim about the service.
Onchain data869Market data531Other305Developer tools275Security88Web data83Identity82Media59Commerce58AI models22Search17Agents6
First seen
2026-10-05 · last seen 2026-10-06

What we observed

Payments unknown, unknownNo 402 answer, not observedNot claimed
See the readings

Endpoints

EndpointsDescriptions are the seller's own words from the catalogue and are not checked by us. A listed price is a registration, not an observed charge.
2,398 registered
  • https://api.vextorium.com/v1/pool-fee-apr

    Estimated yield of providing liquidity in a token's pools (or one pool) on any DEX Screener chain: liquidity, 24h volume, pool fee (read on-chain when possible), fees generated, estimated APR, turnover and age, sorted b…

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/protocol-tvl-composition

    TVL composition of a DeFi protocol by token (how much is ETH, USDC, WBTC...) and by chain, with weights and top-3 concentration. Measure exposure and concentration risk. DefiLlama data.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/protocols-by-category

    Ranking of DeFi protocols in a category (Lending, Dexs, Liquid Staking, Bridge, Yield, Derivatives, RWA, CDP, Restaking...) by TVL, optionally on one chain, with 1d and 7d change and share of the category.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/real-effective-fx

    Real effective exchange rate of a currency against 64 economies (inflation-adjusted): rises mean the currency gets dearer and the country loses competitiveness. Ranking with annual change, or one country's series. BIS d…

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/real-interest-rates

    Real interest rate of about 40 economies: central bank policy rate minus year-on-year inflation, ranked. The basis of currency carry trades and of judging how tight monetary policy is. BIS data.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/rwa-ranking

    Ranking of tokenized real-world asset protocols (treasury bills, private credit, gold, real estate...) by on-chain value, with 7-day change, chains and token, plus total RWA value. DefiLlama data.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/safe-multisig

    Inspect a Safe (Gnosis Safe) multisig on Base, Ethereum, Arbitrum, Optimism or Polygon: owners, signature threshold (M of N), nonce, version and enabled modules, with warnings (single-signer, modules that bypass owners).

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/sec-13d-latest

    Latest disclosures of stakes above 5% filed with the SEC: Schedule 13D (activist investors) or 13G (passive), with subject company, filer, date and link, including amendments.

    BaseOther

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/sec-8k-latest

    Most 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)... Filte…

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/sec-insiders-latest

    Latest SEC Form 4 insider filings across the whole US market: issuer company, who filed (directors, officers, 10% owners), date and link. Filter by company or person. For one company's trade details use insiders-empresa.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/seo-audit

    SEO and sharing metadata of a page: title and description with length, canonical, robots, language, hreflang, Open Graph, Twitter Card, JSON-LD types, favicon, H1/H2, plus warnings (missing tags, noindex, multiple H1).

    BaseWeb data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/sitemap-urls

    List the URLs of a site's XML sitemap (found via robots.txt if needed, following sitemap indexes and .gz files) with last-modified dates, optionally filtered by text. Discover a site's pages for crawling or monitoring.

    BaseDeveloper tools

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/solana-address-activity

    Recent activity of a Solana address: latest transaction signatures with slot, time, success or failure and memo (up to 25).

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/solana-balances-batch

    SOL balance (and optionally one SPL token) of up to 50 Solana wallets in one call, with totals.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/solana-program

    Solana program info: executable, loader, whether its code can be upgraded and who holds the upgrade authority, last deployment slot. Key to judge a protocol's admin risk before using it.

    BaseDeveloper tools

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/solana-token-price

    USD price of one or more Solana tokens by mint address (up to 20 at once): price, 24h change and on-chain liquidity, derived from real liquidity via Jupiter, Solana's leading aggregator. Live open data.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/solana-validators

    Solana 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 st…

    BaseDeveloper tools

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/solana-wallet

    Solana wallet balances: SOL plus every SPL and Token-2022 token held (mint, amount, decimals), with USD value for USDC/USDT.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • 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.

    BaseOnchain data

    $0.004/ 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)…

    BaseOther

    $0.004/ 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 …

    BaseOther

    $0.004/ 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.

    BaseOther

    $0.004/ 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.

    BaseOther

    $0.004/ 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.

    BaseOther

    $0.004/ 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).

    BaseCommerce

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/stablecoin-depeg

    USD 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.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/stablecoin-market-cap

    Total stablecoin market capitalization (crypto's dry powder) with series, 7/30/90/365-day change and split by peg currency (USD, EUR...). Live from DefiLlama.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/stablecoin-peg

    Peg health of a stablecoin (USDT, USDC, DAI, USDe...): current price, deviation from $1, whether it is on peg, circulating supply and pegging mechanism. Detects depegs early. Live from DefiLlama.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/stablecoins-by-chain

    How stablecoin money is spread across blockchains: circulating stablecoin value per chain, each chain's share and the total. Shows where the dry powder (liquidity ready to buy) actually sits. Live from DefiLlama.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tech-detect

    Detect the technologies behind a website: CMS (WordPress, Shopify...), frameworks (Next.js, React...), server and CDN, analytics, payments, chat, cookie manager, captcha and fonts, from HTML and headers. For lead genera…

    BaseCommerce

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/token-launch-price

    First recorded price of one or more tokens and its date (when it started trading), with current price and the multiple and % change since then. Symbols (BTC, ETH, SOL...) or chain:contract ids. DefiLlama data.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/token-supply

    ERC-20 token supply: total minted, burned (dead addresses), approximate circulating, and the contract owner's balance and share if it has one. A concentration and issuer-control signal.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tokenized-stock

    Official tokenized versions of a US stock or ETF on Solana (xStocks by Backed and Ondo Global Markets): verified mint addresses, on-chain supply and issuer authority check. Accepts NVDA, NVDAx or NVDAon.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tokenized-stock-check

    Anti-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.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tokenized-stock-prices

    DEX price on Solana of verified tokenized stocks and ETFs (xStocks and Ondo): token price, on-chain market cap, liquidity, holders and 24h change, for one ticker (NVDA, TSLA, SPY...) or all. Token prices from Jupiter, n…

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tokenized-stock-ranking

    Ranking of tokenized stocks and ETFs on Solana by on-chain market cap with holders and liquidity, plus totals per issuer (xStocks vs Ondo). Track the growth of tokenized equities.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tokenized-stocks

    Catalog of 113 verified tokenized stocks (xStocks/Backed and Ondo Global Markets). With a ticker: all its tokenized versions (issuer, symbol, chain, mint). Without it: the full list, filterable by issuer, with totals an…

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tokenized-stocks-wallet

    Which verified tokenized stocks and ETFs (xStocks, Ondo) a Solana wallet holds, with amount, token price and USD value; only official tokens from the verified registry count.

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/ton-balance

    Balance of a TON address: native TON, account status, .ton domain and its jettons (USDT, NOT, DOGS...) with name, symbol, amount and scam flag. Live from a public TON node.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/ton-transactions

    Latest transactions of a TON address: time, success, fee, TON received and sent, counterparties and message comment (memo). Confirm TON payments from Telegram wallets.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tron-balance

    Balance of a Tron address: TRX (free and staked), TRC-20 tokens (USDT, USDC, USDD...) and the bandwidth and energy available to send without fees. Live from a public Tron node.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tron-transfers

    Latest TRC-20 token transfers (USDT, USDC...) of a Tron address: in or out, counterparty, amount, time and hash, with totals of stablecoins received and sent. Optional token filter.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tx-decode

    An 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.

    BaseOnchain data

    $0.004/ request

    2026-10-03

  • https://api.vextorium.com/v1/tx-status

    Transaction status by hash on Base or Ethereum: pending / confirmed / failed, block, confirmations, gas used, fee paid, created contract and explorer link.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/tx-transfers

    Decode what an EVM transaction moved: native value, every ERC-20 transfer (symbol, decimals, from, to, amount), ERC-721 and ERC-1155 NFT transfers, status, fee paid, contract created and method selector.

    BaseOnchain data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/us-ipos-upcoming

    US IPOs and offerings in the pipeline: latest S-1 and F-1 (foreign issuers) registration statements, amendments and final 424B4 prospectuses (priced), with company, stage, date and link.

    BaseOther

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/us-treasury-yield-curve

    Latest US Treasury par yield curve (1 month to 30 years), change in basis points versus N days ago, 10y-2y and 10y-3m spreads and inversion flag. Official US Treasury data (public domain).

    BaseMarket data

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/us-weather

    Official US National Weather Service forecast for coordinates in the United States: next 7 days or hourly, temperature (F and C), wind, chance of rain, plus active weather alerts.

    BaseOther

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/vehicle-recalls

    Safety recall campaigns for a vehicle by make, model and year in the US: affected component, summary, consequence, remedy, date, over-the-air fix and do-not-drive flags. Official NHTSA data.

    BaseSecurity

    $0.004/ request

    2026-10-06

  • https://api.vextorium.com/v1/wallet-identity

    Who an EVM address is before you interact: public labels (exchange, protocol, bridge, fund...), ENS name, whether it is a contract and which, verification, scam flag or poor reputation, EIP-7702 delegation, balance and …

    BaseOnchain data

    $0.004/ request

    2026-10-06

Evidence

as of 2026-10-06

Answers HTTP 402

Answers HTTP 402Method: one unpaid request per listed endpoint. A 402 with a payment payload a client could parse counts. Nothing is paid.

0 of 7

0 of 7 probed endpoints answered HTTP 402 with a parseable payment payload

checked 2026-10-06

x402-style payments, last 7 days (Base)

x402-style paymentsMethod: counted when the transaction carries a signed USDC authorization (EIP-3009), the settlement x402's exact scheme uses. Some non-x402 gasless sends use it too.

unknown

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

window ended 2026-10-06

By chain

ChainSeller walletEndpointsAnswers 402x402-style payments
Base0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf1,0110 of 5 probed endpoints answered HTTP 402 with a parseable payment payload
2026-10-06
unknown. the 7-day payments read on Base did not complete (ranges over 10000 blocks are not supported on free plan)
Optimism0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf8290 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-28
unknown. not measured on this chain yet
Polygon0xb9f06d2734b7e9d7b21b64c4d8b95bd774b71acf5550 of 1 probed endpoints answered HTTP 402 with a parseable payment payload
2026-09-28
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
Highest
$0.02
per request, as registeredas of

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 2026-10-06. Appearing here is not an endorsement. Check an endpoint with the doctor.