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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
Every Aave market on a chain: per asset supply and borrow APY (with incentives), deposited and borrowed USD, utilization, max LTV, borrowable flag and available
- Vextorium
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 r
- Vextorium
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
- Vextorium
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 ticke
- Vextorium
Balance of one EVM wallet on all 12 chains at once (Base, Ethereum, Arbitrum, Optimism, Polygon, BNB, Avalanche, Gnosis, Linea, Scroll, Sonic, Unichain): native
- Vextorium
Current mid price of every Hyperliquid asset, or the ones you ask for (BTC, ETH, SOL, HYPE...), in one fast and cheap call.
- Vextorium
Build the transaction that revokes a contract's permission over an ERC-20 token (approve(spender, 0)): target and calldata ready to sign in your wallet. Nothing
- Vextorium
Classify up to 50 EVM addresses at once: regular wallet (EOA), EIP-7702 delegated wallet or contract, with code size. Filter airdrop lists, spot contracts or bo
- Vextorium
SOL balance (and optionally one SPL token) of up to 50 Solana wallets in one call, with totals.
- Vextorium
Native balance (and optionally one ERC-20 token) of up to 50 EVM wallets in one call on any of 12 chains, with totals. For treasuries, airdrops or watching many
- Vextorium
Resolve up to 20 ENS names to addresses, or addresses to their primary ENS name, in one call.
- Vextorium
Test your x402 client or agent for the minimum price: confirms the payment arrived and echoes back the network, scheme, payer and amount the server saw, your IP
- Vextorium
Debt service ratio (interest plus principal over income) of households, non-financial companies or the whole private sector in about 30 economies, latest quarte
- Vextorium
Real effective exchange rate of a currency against 64 economies (inflation-adjusted): rises mean the currency gets dearer and the country loses competitiveness.
- Vextorium
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 t
- Vextorium
OECD Composite Leading Indicator, which anticipates turning points of the business cycle 6-9 months ahead: value (100 = trend), monthly change and phase (expans
- Vextorium
Monthly price series of a commodity (gold, Brent, copper, wheat, coffee...) going back up to 60 years, with high, low and change over the period. World Bank Pin
- Vextorium
Monthly prices of about 70 commodities (Brent and WTI oil, natural gas, coal, gold, silver, copper, aluminium, wheat, maize, coffee, cocoa, sugar, fertilizers..
- Vextorium
Residential property prices in about 60 economies: nominal and real (inflation-adjusted) year-on-year change of the latest quarter, as a ranking or for one coun
- Vextorium
Year-on-year consumer price inflation in about 60 economies: ranking with each country's latest figure, or one country's monthly series. Bank for International
- Vextorium
Daily exchange rates against the US dollar for about 60 currencies, emerging ones included (Argentine peso, Turkish lira, rupee, naira...), with date and 1-mont
- Vextorium
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 e
- Vextorium
Latest press releases from central banks and financial regulators (Federal Reserve, ECB, Bank of England, SEC, CFTC, ESMA) in one feed by date, with title, link
- Vextorium
Company profile from its domain, without personal data: website title and description, social profiles, technologies used, email provider, domain age and regist
- Vextorium
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). As
- Vextorium
Fee history of the last N blocks on an EVM chain (eth_feeHistory): base fee per block, gas usage and priority tips at the 10th, 50th and 90th percentiles, with
- Vextorium
Compute a contract address in advance: CREATE (deployer + nonce) or CREATE2 (deployer + salt + init code hash). For deterministic deployments and verifying anno
- Vextorium
Decode EVM calldata (transaction input) with the function signature or, if omitted, by looking up the selector on 4byte; or decode return data with its output t
- Vextorium
Encode a contract function call (calldata) from its signature and arguments, e.g. transfer(address,uint256) with [to, amount]: selector and hex data ready to si
- Vextorium
Verify an Ed25519 Solana signature (Phantom/Solflare signMessage) for a message and public key; signature in base58, base64 or hex. Local computation.