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Vextorium — The x402 Payment Engine
1,024 resources on api.vextorium.com · browse everything
Pay-per-call data APIs for AI agents: on-chain data (Base, Ethereum, Solana payments), DeFi, FX and AI text tools. USDC via x402. the operator’s own description
Most recently seen
- Vextorium
DeFi liquidations read on-chain from Aave v3 on Base, Ethereum, Arbitrum, Optimism and Polygon: total USD liquidated, event count, breakdown by network, collate
- Vextorium
Crypto Fear & Greed Index (0-100) with classification. Data source: Alternative.me (attribution included in the response).
- Vextorium
Domain intelligence: WHOIS (registrar, creation and expiry dates), DNS records and SSL certificate details.
- Vextorium
Wallet analysis read directly from the blockchain on Base, Ethereum, Arbitrum, Optimism or Polygon (account type incl. smart wallet / EIP-7702, sent transaction
- Vextorium
API/URL health check: up or down, HTTP status, latency, and whether the endpoint is a valid x402 paid endpoint.
- Vextorium
CSV cleaning and normalization to JSON: column names, types, duplicates and empty values. Data is processed in memory and not stored.
- Vextorium
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 alert
- Vextorium
Find a company's LEI (Legal Entity Identifier) by name, or the record of a LEI: legal name, country, legal form, address, entity and registration status, renewa
- Vextorium
Check whether a person or entity is on the UN Security Council Consolidated Sanctions List (Al-Qaida, ISIL, Taliban, DPRK, Iran, Libya, Sudan, Yemen...) with fu
- Vextorium
Atmospheric CO2 concentration measured at Mauna Loa (NOAA): latest monthly ppm, yearly change, comparison with 10 years ago and with 1958, and the recent series
- Vextorium
Species information by scientific or common name (GBIF): accepted name, full taxonomy (kingdom to species), rank, status, common names, number of occurrence rec
- Vextorium
ETH burned by the EIP-1559 base fee over the last N blocks versus estimated validator issuance: burned total, issuance, net supply change (deflationary or not)
- Vextorium
Morpho lending vaults run by curators: name, deposited asset, chain, net APY, deposits in USD, fee and curator; filter by asset (USDC, WETH...) and chain, sort
- Vextorium
Pendle markets (fixed yield in DeFi): asset, maturity, days left, implied fixed APY (buying PT), LP APY and liquidity, on Ethereum, Arbitrum, Base, BNB and othe
- Vextorium
Active tropical cyclones in the Atlantic and eastern/central Pacific from the US National Hurricane Center: name, type (hurricane, storm...), max wind, pressure
- Vextorium
Search scholarly literature across all fields in OpenAlex (250M+ works): title, authors, institutions, year, journal, citation count, DOI and open-access link;
- Vextorium
Clinical trials on ClinicalTrials.gov by disease, drug or sponsor: title, NCT id, status, phase, conditions, interventions, sponsor, dates, enrollment and count
- Vextorium
Addresses with the most native coin on an EVM chain (ETH on Ethereum, Base, Arbitrum, Optimism, zkSync; POL on Polygon): balance, name or label when known (exch
- Vextorium
Statistics of an EVM chain: total and today's transactions, addresses, blocks, average block time, gas prices (slow, average, fast), network utilization, native
- Vextorium
An EVM transaction explained: method called and its decoded parameters with names (when the contract is verified), token transfers it triggered, value, fee, sta
- Vextorium
Internal transactions of an EVM address (native coin moved by contracts, invisible in the normal history): date, type, from, to, value, success and parent trans
- Vextorium
Token transfers (ERC-20, ERC-721 NFTs or ERC-1155) sent or received by an EVM address: date, token, amount, from, to, in/out and transaction, with totals per to
- Vextorium
Who deployed an EVM contract and when: creator address (named when known), creation transaction and date, contract name, verification, proxy type and implementa
- Vextorium
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 conce
- Vextorium
Transaction history of an EVM address (Ethereum, Base, Arbitrum, Optimism, Polygon, zkSync): date, method called, from, to (named when known), value, fee, statu
- Vextorium
Tezos account (tz1/tz2/tz3/KT1): XTZ balance, baker, staked amount, FA tokens, transaction count, first and last activity and USD value.
- Vextorium
Starknet wallet: ETH, STRK, USDC and USDT balances read from their contracts, account nonce, deployment status and USD value.
- Vextorium
Kaspa: balance of an address (kaspa:...) with transaction count and USD value; without an address, network status (blocks, difficulty, hashrate, circulating and
- Vextorium
NEAR account (name.near or 64-hex implicit): available and staked NEAR, storage used, whether it has a contract deployed and USD value.
- Vextorium
Algorand account: ALGO balance and locked minimum, ASA assets (USDC...) with amounts, consensus participation, opted-in apps and USD value.