ERC-20 allowance and token approval check on Base: how much a spender contract is approved to move from an owner wallet, with unlimited-approval detection. Run it before a swap, a bridge or a transferFrom.

Is this address a contract or a wallet? Checks any Base address: EOA, EIP-7702 delegated wallet or smart contract, bytecode size, ETH balance and ERC-20 symbol. Cheap safety check before sending funds.

Gas price on Base right now: gas price, base fee and priority fee in gwei, plus the cost of a simple ETH transfer. Decide whether to transact now or wait. No input needed.

Basename and ENS resolver on Base: resolve name.base.eth to an address, or an address to its primary Basename (reverse names returned only when verified).

Swap quote and best DEX price on Base: live quotes from Uniswap v3 (all fee tiers) and Aerodrome (stable/volatile) for any ERC-20 pair, ranked best first, with a low-liquidity flag. ETH, USDC, cbBTC, DAI or any token address. Read-only, no swap executed.

ERC-20 token info on Base: name, symbol, decimals and total supply of any token contract, read live on-chain. Check a token before you trade or accept it.

Transaction status and receipt on Base: success / failed / pending / not found, block, confirmations, from, to, value, gas used and real fee. Payment and settlement verification for agents.

Wallet balance and ERC-20 token balance on Base: live ETH, USDC and up to 5 ERC-20 balances of any address, read from Base mainnet. Pre-flight funding check before a payment or a swap. No API key.

Wallet profile and address intelligence on Base and Ethereum in one call: wallet or contract, ETH and USDC balances, transaction count, verified ENS / Basename, where it is active. Give an address or an ENS name. No API key.

Crypto token price in USD: live price of ETH, BTC (cbBTC), DAI, AERO or any Base token address, from on-chain DEX pools (Uniswap v3, Aerodrome), best route direct or via WETH. No API key, read-only.

Token security check and rug pull / honeypot detector for any Base token: A-F risk grade from fixed rules, price, liquidity, round-trip loss (hidden taxes), impact of a $1,000 sale, owner, upgradeable proxy, mint / pause / blacklist functions, plus a short plain-English verdict.

DNS lookup API: A, AAAA, MX, TXT, NS, CNAME and CAA records of any domain in one call, with TTL and DNSSEC validation, via public DNS-over-HTTPS. Domain and network recon for agents.

MX records, SPF and DMARC check of a domain: does it accept email, its mail servers, SPF policy, DMARC policy and detected deliverability issues. DNS only, no SMTP.

SSL certificate check: is the HTTPS certificate of a domain valid? Issuer, expiry date, days remaining, names covered (SAN), hostname match and TLS version. Expiry monitoring for agents.

WHOIS lookup and domain availability check (RDAP): registered or available, registrar, creation and expiry dates, days until expiry, status and nameservers. Registrant contacts are never returned.

Keyword extraction and named entity recognition (NER) from text: ranked keywords plus people, organizations, locations, dates, money and products. Any language, clean JSON output.

ERC20 allowance and token approval check on Ethereum: how much a spender (Permit2, a router, a bridge) is approved to move from an owner wallet, with unlimited-approval detection.

Is this Ethereum address a contract or a wallet? EOA, EIP-7702 delegated wallet or smart contract, bytecode size, ETH balance and ERC-20 symbol. Safety check before sending funds.

ENS resolve on Ethereum: turn a .eth name into an address, or an address into its primary ENS name (reverse names returned only when verified). Forward and reverse lookup.

Gas price on Ethereum right now: gas price, base fee and priority fee in gwei, plus the cost of a simple ETH transfer. Decide whether to transact now or wait. No input needed.

ERC-20 token info on Ethereum: name, symbol, decimals and total supply of any token contract on Ethereum mainnet, read live via eth_call.

Transaction receipt and status on Ethereum: success / failed / pending / not found, block, confirmations, from, to, value, gas used and fee, via eth_getTransactionReceipt.

ERC20 token balance and wallet balance on Ethereum: live ETH, USDC and up to 5 ERC-20 balances (USDT, DAI or any token) of any Ethereum address, read from mainnet. No API key.

Extract structured JSON from unstructured text (invoices, emails, ads, CVs...): name the fields you want, get clean JSON back. Any language, up to 6,000 characters.

Central bank policy interest rates (Fed, ECB, BoE, BoJ, SNB and ~40 countries) from the BIS, ranked, with an FX carry-trade spread ranking versus a funding currency (e.g. JPY, CHF). Macro data API.

Company financials and stock fundamentals from SEC EDGAR filings by ticker: revenue, operating income, net income, diluted EPS (latest quarter and fiscal year), cash, assets, liabilities, equity and shares outstanding, as reported in XBRL.

Currency exchange rates and forex API: official ECB (European Central Bank) reference rates for ~30 currencies (USD, EUR, GBP, JPY, CHF, CNY...), any base currency, with currency conversion of an amount. Daily, no API key.

SEC EDGAR filings by stock ticker: latest 10-K annual reports, 10-Q quarterly reports, 8-K material events and more for any US-listed company, with links to each document.

Official French flood warnings (Vigicrues): every river section on yellow, orange or red flood vigilance with its position, plus the national count by color. Filter by river name (Seine, Loire, Garonne...). Official open data.

Real-time river water level and flow in France: the nearest gauging stations to a latitude / longitude with height (m), flow (m3/s) and 3-hour trend (rising, falling, stable). Official Hub'Eau open data, for logistics, travel and flood-risk agents.

Official Meteo-France weather warnings (vigilance) for today and tomorrow: green / yellow / orange / red level per hazard (wind, thunderstorms, rain-flood, floods, snow-ice, heatwave, extreme cold, avalanches, waves-submersion) for a French department, or every department on orange or red. Keyless, official open data.

Excuse generator API: a creative excuse for any situation (late for work, missed deadline, forgot a birthday...), believable or absurd, in English or French.

Random fun fact and trivia of the day about France: one surprising, true fact, new every day, in English or French. Fun fact API, JSON.

Horoscope generator: an absurd, funny daily horoscope for any zodiac sign, in English or French. Fun / humor API, short JSON text.

Horror story generator: a short two- to three-sentence creepy story with a twist ending, built around a word you choose. No gore. English or French.

Compliment generator in pirate speak: a warm, wholesome compliment, optionally for a first name. Fun API, English or French.

Roast and insult generator in Shakespeare's style: one theatrical, good-natured insult for bots, games and chats, never aimed at a real person or group. English or French.

French grammar and spell check / proofreading API: corrects spelling, grammar, agreement and punctuation of French text without changing the style, returns the corrected text. Up to 2,500 characters.

Funding rate API for perpetual futures: current funding rate of any coin (BTC, ETH, SOL...) on Hyperliquid, with annualized %, next funding time, 24 h average, mark price, open interest and volume. For trading and arbitrage agents.

x402 directory and uptime monitoring: find the most reliable, cheapest or fastest Base x402 endpoint for your keywords before you pay, with measured uptime (7/30 days), latency, price consistency and a market price summary. Probed every 6 h without payment; the seller excludes its own endpoints.

Prompt injection detection and content moderation for AI agents: flags hidden instructions aimed at an LLM (none / suspicious / malicious + score) and harmful content (hate, violence, sexual, harassment, self-harm, illegal). Any language, JSON output.

Sentiment analysis API: classify text as positive / negative / neutral / mixed with a -1 to +1 score, confidence and a short reason. Reviews, tweets, support tickets; any language, JSON output.

Text summarization API: summarize any text or article (English, French, any language, 200 to 7,000 characters) into a faithful 5-8 sentence summary / TL;DR. No API key, pay per call.

Translation API: translate text into 15 languages (English, French, Spanish, German, Italian, Portuguese, Dutch, Polish, Russian, Ukrainian, Turkish, Arabic, Chinese, Japanese, Korean), source language auto-detected, up to 1,500 characters.