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/sol-saldos-multiwallet-pago

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

    OptimismOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sol-saldos-pago

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

    OptimismOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sol-saldos-pago

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

    PolygonOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sol-token-pago

    Solana SPL token profile and risk signals: supply, decimals, mint and freeze authorities (can the issuer mint more or freeze accounts?) and Token-2022 extensions.

    PolygonSecurity

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sol-token-pago

    Solana SPL token profile and risk signals: supply, decimals, mint and freeze authorities (can the issuer mint more or freeze accounts?) and Token-2022 extensions.

    OptimismSecurity

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sol-wallet-perfil-pago

    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.

    PolygonOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sol-wallet-perfil-pago

    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/solana-cartera-valor-pago

    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

    2026-10-05

  • https://api.vextorium.com/solana-cartera-valor-pago

    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

    2026-10-05

  • https://api.vextorium.com/solana-programa-pago

    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.

    OptimismDeveloper tools

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/solana-programa-pago

    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.

    PolygonDeveloper tools

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/solana-tokens-tendencia-pago

    Trending 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 c…

    PolygonMarket data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/solana-tokens-tendencia-pago

    Trending 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 c…

    OptimismMarket data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/solana-validadores-pago

    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…

    OptimismDeveloper tools

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/solana-validadores-pago

    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…

    PolygonDeveloper tools

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sql-csv-pago

    Run a read-only SQL query (SELECT/WITH, WHERE, GROUP BY, ORDER BY, window functions...) over a CSV loaded as table «datos» in a temporary in-memory SQLite database, and get the rows as JSON.

    OptimismDeveloper tools

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/sql-csv-pago

    Run a read-only SQL query (SELECT/WITH, WHERE, GROUP BY, ORDER BY, window functions...) over a CSV loaded as table «datos» in a temporary in-memory SQLite database, and get the rows as JSON.

    PolygonDeveloper tools

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/stablecoin-estado-pago

    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.

    OptimismOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/stablecoin-estado-pago

    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.

    PolygonOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/staking-liquido-pago

    On-chain exchange rate of the main Ethereum liquid staking tokens (wstETH, rETH, cbETH, weETH, sfrxETH) against ETH, read from their contracts, with current APY from DefiLlama.

    PolygonOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/staking-liquido-pago

    On-chain exchange rate of the main Ethereum liquid staking tokens (wstETH, rETH, cbETH, weETH, sfrxETH) against ETH, read from their contracts, with current APY from DefiLlama.

    OptimismOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/subvenciones-es-pago

    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/subvenciones-es-pago

    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/swap-solana-pago

    Best 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 lead…

    OptimismOnchain data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/swap-solana-pago

    Best 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 lead…

    PolygonOnchain data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/tiempo-eeuu-pago

    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.

    OptimismOther

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tiempo-eeuu-pago

    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.

    PolygonOther

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tiempo-mundo-pago

    Weather forecast for any place on Earth from the Norwegian Meteorological Institute: current conditions and daily max/min temperature, precipitation, wind, cloud cover, humidity, pressure and sky state for up to 9 days.

    OptimismOther

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tiempo-mundo-pago

    Weather forecast for any place on Earth from the Norwegian Meteorological Institute: current conditions and daily max/min temperature, precipitation, wind, cloud cover, humidity, pressure and sky state for up to 9 days.

    PolygonOther

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipo-cambio-efectivo-pago

    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…

    OptimismMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipo-cambio-efectivo-pago

    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…

    PolygonMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipos-bancos-centrales-pago

    Policy interest rate of about 40 central banks (Fed, ECB, BoE, BoJ, Banxico, BCB...): latest rate and date as a ranking, or one country's monthly history with every hike and cut. Bank for International Settlements data.

    PolygonMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipos-bancos-centrales-pago

    Policy interest rate of about 40 central banks (Fed, ECB, BoE, BoJ, Banxico, BCB...): latest rate and date as a ranking, or one country's monthly history with every hike and cut. Bank for International Settlements data.

    OptimismMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipos-bce-pago

    European Central Bank key rates (deposit facility, main refinancing, marginal lending) with the date they took effect, the history of deposit-rate changes in basis points, and the latest €STR overnight rate. Official EC…

    PolygonMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipos-bce-pago

    European Central Bank key rates (deposit facility, main refinancing, marginal lending) with the date they took effect, the history of deposit-rate changes in basis points, and the latest €STR overnight rate. Official EC…

    OptimismMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipos-reales-mundo-pago

    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.

    PolygonMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/tipos-reales-mundo-pago

    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.

    OptimismMarket data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/token-autenticidad-pago

    Is a token's volume real or inflated (wash trading)? 0-100 organic score and verdict (organic, doubtful, inflated) from volume-to-liquidity turnover, number and size of trades, buy/sell balance and volume spikes, each s…

    OptimismMarket data

    n/a/ request

    2026-10-03

  • https://api.vextorium.com/token-holders-pago

    Largest holders of an ERC-20 token: address (named or labelled when known: exchanges, protocols...), amount and % of supply, total holder count and top-10 concentration.

    OptimismOnchain data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/token-holders-pago

    Largest holders of an ERC-20 token: address (named or labelled when known: exchanges, protocols...), amount and % of supply, total holder count and top-10 concentration.

    PolygonOnchain data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/token-riesgo-pago

    ERC-20 admin-control check: detects owner privileges, upgradeable proxy, mint, pause, blacklist and fee-setting functions in the contract code. Measures issuer control, not a scam verdict.

    OptimismOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/token-riesgo-pago

    ERC-20 admin-control check: detects owner privileges, upgradeable proxy, mint, pause, blacklist and fee-setting functions in the contract code. Measures issuer control, not a scam verdict.

    PolygonOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/token-solana-pago

    Profile of a Solana token by symbol, name or mint: price, market cap, holders, liquidity, whether it is verified, an organic-quality score, audit flags (top-holder concentration, mint authority) and socials. Ideal to te…

    OptimismMarket data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/token-solana-pago

    Profile of a Solana token by symbol, name or mint: price, market cap, holders, liquidity, whether it is verified, an organic-quality score, audit flags (top-holder concentration, mint authority) and socials. Ideal to te…

    PolygonMarket data

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/token-suministro-pago

    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.

    PolygonOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/token-suministro-pago

    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.

    OptimismOnchain data

    n/a/ request

    2026-10-06

  • https://api.vextorium.com/token-veredicto-pago

    One-call risk verdict for an ERC-20 token on Base, Ethereum, Arbitrum, Optimism or Polygon: 0-100 score and level with every signal explained: admin powers (mint, pause, blacklist, fees), upgradeable proxy, renounced ow…

    OptimismSecurity

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/token-veredicto-pago

    One-call risk verdict for an ERC-20 token on Base, Ethereum, Arbitrum, Optimism or Polygon: 0-100 score and level with every signal explained: admin powers (mint, pause, blacklist, fees), upgradeable proxy, renounced ow…

    PolygonSecurity

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/token-veredicto-solana-pago

    One-call risk verdict for a Solana token: 0-100 score and level with every signal explained: active mint or freeze authority, top-holder concentration, Jupiter verification and organic score, holder count, liquidity, vo…

    OptimismSecurity

    n/a/ request

    2026-10-05

  • https://api.vextorium.com/token-veredicto-solana-pago

    One-call risk verdict for a Solana token: 0-100 score and level with every signal explained: active mint or freeze authority, top-holder concentration, Jupiter verification and organic score, holder count, liquidity, vo…

    PolygonSecurity

    n/a/ request

    2026-10-05

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.