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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
Aave v3 live lending and borrowing APY for the main assets (WETH, USDC, USDT, DAI, cbBTC/WBTC) on a chain.
- Vextorium
Aave v3 position health for a wallet on five chains: collateral, debt, borrowing power, LTV, liquidation threshold and health factor with a risk label.
- Vextorium
One address across five EVM chains (Base, Ethereum, Arbitrum, Optimism, Polygon): native coin and USDC balance per chain and total USD value.
- Vextorium
ENS profile: resolved address plus public text records (avatar, description, url, twitter, github, telegram, discord, email).
- Vextorium
Latest block on an EVM chain: number, hash, time, age in seconds, transaction count, gas used % and base fee.
- Vextorium
Address inspector for EVM chains: wallet (EOA), EIP-7702 delegated wallet or contract; bytecode size, ERC-20/721/1155 support, proxy implementation and beacon,
- Vextorium
NFT lookup (ERC-721 / ERC-1155): collection name, owner, token URI and metadata (name, description, image, attributes).
- Vextorium
ERC-20 allowance lookup: how much a spender can move from an owner's balance, flagging unlimited approvals.
- Vextorium
ERC-20 admin-control check: detects owner privileges, upgradeable proxy, mint, pause, blacklist and fee-setting functions in the contract code. Measures issuer
- Vextorium
Recent activity of a Solana address: latest transaction signatures with slot, time, success or failure and memo (up to 25).
- Vextorium
Solana account inspector: whether it exists, type (wallet, token account, mint, program, program data), SOL balance, owner program and data size.
- Vextorium
Solana priority fee estimator: recent per-slot priority fees (min, median, p75, p90, max micro-lamports per CU) and total cost in SOL for a 200k-CU transaction.
- Vextorium
Solana SPL token profile and risk signals: supply, decimals, mint and freeze authorities (can the issuer mint more or freeze accounts?) and Token-2022 extension
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Solana transaction status by signature: confirmed / failed / processing, slot, time, fee in SOL, signers, programs invoked and token balance changes.
- Vextorium
IBAN validation (ISO 13616 mod-97 and per-country length, SEPA membership; for Spain also the national CCC check digits and bank name). Computed locally, IBAN i
- Vextorium
Official European Central Bank euro reference exchange rates (about 30 currencies) and currency conversion between any two of them, with reference date.
- Vextorium
Tamper-resistant price from Chainlink Data Feeds on Base (ETH/USD, BTC/USD, USDC/USD, or any Chainlink aggregator address), with update time and staleness in se
- Vextorium
On-chain swap quote on Base from Uniswap v3 QuoterV2 across all fee tiers (0.01%, 0.05%, 0.3%, 1%): output amount, unit price, best pool and gas estimate. Accep
- Vextorium
ENS resolution on Ethereum: name to address (vitalik.eth -> 0x...) or address to primary name, with round-trip verification of reverse records.
- Vextorium
Wallet balances on Base or Ethereum in one call: native ETH plus WETH, USDC, USDT, DAI and cbBTC/WBTC (and optionally any extra ERC-20), with approximate USD va
- Vextorium
ERC-20 token profile read directly from the contract on Base or Ethereum: name, symbol, decimals, total supply, bytecode size and whether it is an upgradeable E
- Vextorium
Transaction status by hash on Base or Ethereum: pending / confirmed / failed, block, confirmations, gas used, fee paid, created contract and explorer link.
- Vextorium
Live gas price on Base or Ethereum (gwei, base fee, priority fee) plus estimated USD cost of an ETH transfer, an ERC-20 transfer and a DEX swap, including Base
- Vextorium
Next passes of a satellite over a location (ISS by default, any NORAD id): rise, culmination and set times in UTC, max elevation, direction and whether it will
- Vextorium
Latest headlines from international outlets via public RSS (BBC, NPR, The Guardian, Al Jazeera, DW, France 24), tech (TechCrunch, The Verge) or Spain (El País),
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Is a token's volume authenticity getting worse or better? Compares the current organic score, volume, trades and liquidity with snapshots taken ~1h, ~6h and ~24
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A witty roast of any token (Base, Ethereum, Solana and other chains) with a shareable 1200x630 PNG card: grade BASED, MID, COOKED or RADIOACTIVE computed from r
- Vextorium
Solana wallet balances: SOL plus every SPL and Token-2022 token held (mint, amount, decimals), with USD value for USDC/USDT.
- Vextorium
Read any public web page or PDF and get its main content as clean, LLM-ready markdown (headings, lists, links, tables, code) plus metadata: title, description,
- Vextorium
One endpoint for hashing and encoding: sha256, sha512, sha3, keccak256, md5, sha1, blake2, ripemd160, crc32, all-hashes-at-once, HMAC, base64/base64url, hex, UR