Agent Data Tools

Check how much of a wallet's ERC-20 token a spender contract is approved to move on Base: the raw and formatted allowance, the token symbol and decimals, and whether the approval is unlimited. Use before a swap or deposit to see if an approve transaction is needed, and to audit a wallet for risky unlimited approvals. Costs $0.002 in USDC on Base per successful call, paid with x402.

Live gas prices on Base (chain 8453) read from the latest block: base fee and priority fee in gwei, suggested maxFeePerGas and maxPriorityFeePerGas in wei for an EIP-1559 transaction, how full the latest block is, and the estimated execution fee in ETH for an ETH transfer and an ERC-20 transfer. Use before sending a transaction on Base or to decide whether to wait for lower fees. Costs $0.001 in USDC on Base per successful call, paid with x402.

Look up any transaction on Base by hash: whether it succeeded, reverted or is still pending, sender and receiver, ETH value, called method id, block number and time, number of confirmations, gas used, gas price and the execution fee paid, and whether it created a contract. Use to confirm that a payment or contract call went through before acting on it. Costs $0.003 in USDC on Base per successful call, paid with x402.

Balance and activity of any Bitcoin mainnet address (legacy, P2SH or bech32): confirmed balance in sats and BTC, unconfirmed pending amount, total received and sent, and transaction counts. Use for payment verification, checking whether a deposit arrived, and wallet monitoring. Costs $0.003 in USDC on Base per successful call, paid with x402.

Current Bitcoin network fee rates in sat/vB for next-block, half-hour, one-hour and economy confirmation, the estimated cost in sats of a typical payment, mempool size and total pending fees, and the latest block height. Use before sending a Bitcoin transaction or to decide whether to wait for lower fees. Costs $0.0002 in USDC on Base per successful call, paid with x402.

Current Bitcoin (BTC) spot price in USD, EUR, GBP, CAD, CHF, AUD and JPY, averaged across major exchanges, with the number of satoshis per US dollar and the time of the price. Use to convert between sats and fiat, to value a Bitcoin or Lightning payment, or to check the BTC price before a trade. Costs $0.001 in USDC on Base per successful call, paid with x402.

Audit a smart contract on Base: critical/high/medium/low risk with named flags (proxy pattern, zero supply, bytecode size, uninitialized proxy, suspicious ERC-20 properties). Detects EIP-1967 proxy patterns and reads token properties (name, symbol, decimals, total supply, ownership status). Use for token contract audits, before trading or approving a token, and for rug-pull detection. Costs $0.02 in USDC on Base per successful call, paid with x402.

Vision model for an image at a public URL: get a detailed description including any visible text, or pass a question to ask something specific about the image. Accepts PNG, JPEG, WebP and GIF up to 3 MB. Use for alt text, OCR-style reading of screenshots, chart reading and content checks. Costs $0.01 in USDC on Base per successful call, paid with x402.

Domain intelligence in one call: DNS records (A, AAAA, CNAME, MX, NS, TXT, CAA), DNSSEC status, registrar, registration and expiry dates with domain age in days (RDAP/WHOIS), and email authentication (SPF and DMARC records and policies, whether the domain accepts mail). Use for lead qualification, phishing and trust checks, and deliverability audits. Costs $0.005 in USDC on Base per successful call, paid with x402.

A trust verdict for any domain in one call: high/medium/low trust with named flags for very new registrations, expiry, missing or weak SPF and DMARC, too few nameservers, no web host and non-resolving domains, plus the key facts (registrar, age, nameservers, DNSSEC). Use for lead qualification, phishing and vendor checks, and before an agent sends mail to or trusts a domain. Signals only, not a guarantee. Costs $0.01 in USDC on Base per successful call, paid with x402.

Validate an email address before using it: syntax, whether the domain exists and accepts mail (MX records), disposable or throwaway provider detection, role addresses such as info@ or support@, free-provider detection, and SPF and DMARC presence. Returns a verdict of likely-deliverable, risky, undeliverable or invalid with reasons. No message is sent and the mail server is not contacted. Use for sign-up checks, lead list cleaning and contact enrichment. Costs $0.001 in USDC on Base per successful call, paid with x402.

Resolve an Ethereum Name Service name such as vitalik.eth to its wallet address and avatar, or look up the primary ENS name of an address (reverse resolution). Read live from Ethereum mainnet. Use to turn a human-readable name into a payable address, or to show a readable name for a counterparty address. Costs $0.002 in USDC on Base per successful call, paid with x402.

Fetch any public web page and get clean readable text for LLM input: title, meta description, language, canonical URL, H1-H3 headings, main body text with navigation, scripts and boilerplate removed, and the page's outbound links. Use for web scraping, article reading, research and RAG ingestion. Costs $0.002 in USDC on Base per successful call, paid with x402.

Foreign exchange rates from the European Central Bank for about 30 major currencies (USD, EUR, GBP, JPY, CHF, SEK, CAD, AUD, CNY, INR, BRL and more). Give a base currency, optionally the target currencies and an amount, and get the rates, the converted amounts and the date the rates apply to. Use for currency conversion, invoice and price calculations, and reporting in another currency. Costs $0.001 in USDC on Base per successful call, paid with x402.

Text-to-image generation with FLUX.1 schnell. Send a prompt, get a 1024x1024 JPEG back as base64 in a few seconds. Use for illustrations, thumbnails, mockups, avatars and social media images. Optional steps parameter (1-8, default 4) trades speed for detail. Costs $0.02 in USDC on Base per successful call, paid with x402.

Audit a Base liquidity pool contract: contract type detection (Uniswap V3/V2, Balancer, unknown), activity level (transaction count), bytecode analysis, and risk flags (no code, low activity, unusual bytecode size). Use for DEX trading pair audits, LP investment screening, and pool existence checks before trading or adding liquidity. Costs $0.03 in USDC on Base per successful call, paid with x402.

Decode a BOLT11 Lightning Network invoice without paying it: network, amount in sats and BTC, description, payment hash, creation time, expiry time and whether it has already expired. Use to check what an invoice asks for before an agent pays it. Costs $0.001 in USDC on Base per successful call, paid with x402.

Estimate transaction costs under different market conditions (standard, high MEV risk, low gas): base/priority/max fees in gwei, and estimated gas costs in ETH + USD for a simple swap, complex swap, and liquidity add. Includes MEV risk assessment (low/medium/high) and recommendations for MEV protection. Use for trading cost analysis, MEV risk evaluation, and timing decisions. Costs $0.04 in USDC on Base per successful call, paid with x402.

Check a software package before installing it: whether it exists at all (AI coding assistants sometimes invent names), latest version and release date, package age, number of versions, weekly downloads (npm), licenses, deprecation, and known security advisories with severity. Returns a verdict of ok, caution or not-found with the reasons. Covers npm, PyPI, Cargo, Go, Maven and NuGet. Use before adding a dependency or running an install command. Costs $0.0002 in USDC on Base per successful call, paid with x402.

Check a whole dependency list in one call. Pass up to 10 ecosystem:name pairs (npm, pypi, cargo, go, maven, nuget) and get per-package existence, verdict and flags (not-found, deprecated, known advisories, very new or unmaintained), plus a summary. Catches hallucinated or typosquat package names an AI coding agent might install. Bad input is not charged. Costs $0.01 in USDC on Base per successful call, paid with x402.

Search scholarly literature across journals, conferences, preprints and books: title, authors, year, venue, citation count, DOI link and abstract where available. Optional fromYear filter and up to 20 results per call. Use for research agents, literature reviews, fact-checking a claim against published work, and finding the DOI for a citation. Costs $0.003 in USDC on Base per successful call, paid with x402.

Render any public web page in a real headless Chrome browser, with JavaScript executed, and get a JPEG screenshot (1280 px wide, base64) plus the final URL, HTTP status and page title. Set fullPage=true to capture up to 4000 px of page height. Use for visual checks, page previews, monitoring and feeding pages to vision models. Costs $0.02 in USDC on Base per successful call, paid with x402.

Give a URL, get a short summary of the page plus three to six key points, ready to drop into an agent's context. Fetches the page, strips navigation and boilerplate, and summarizes the main text with an LLM. Use for research, news triage, link previews and deciding whether a page is worth reading in full. Costs $0.01 in USDC on Base per successful call, paid with x402.

The exact current date and time in any IANA time zone, with UTC offset, weekday, abbreviation and Unix timestamp, daylight saving time handled. Optionally convert a given moment into up to 10 other time zones in the same call. Use when an agent needs to know what time it is, to schedule a meeting across time zones, or to turn a timestamp into local time. Costs $0.001 in USDC on Base per successful call, paid with x402.

Live on-chain facts for any ERC-20 token on Base: name, symbol, decimals, total supply, owner address and whether ownership is renounced, paused state, proxy detection (EIP-1967 and minimal proxy) with implementation and admin addresses, and bytecode heuristics for mint, pause, blacklist and fee-setter functions. Use for token due diligence and rug-pull or honeypot screening before a swap. Costs $0.01 in USDC on Base per successful call, paid with x402.

One call before you buy a Base token: overall risk rating (low/medium/high) with named flags, on-chain facts (owner, renounced, paused, proxy, mint/blacklist/fee-setter heuristics), plus live DEX market data: price, 24h volume and change, total liquidity, FDV, pair count and age, and 24h buys vs sells. Flags no-liquidity, thin liquidity, new pairs and no-sell patterns. Heuristic screening, not a guarantee. Costs $0.02 in USDC on Base per successful call, paid with x402.

Transcribe speech from an audio file at a public URL using Whisper large-v3-turbo. Returns the transcript text, detected language, duration and word count. Accepts common formats such as MP3, WAV, M4A and OGG up to 5 MB. Use for voice notes, podcast clips, meeting snippets and voice messages. Costs $0.02 in USDC on Base per successful call, paid with x402.

Live snapshot of any address on Base: ETH balance, balances of major tokens (USDC, WETH, cbBTC, DAI, USDbC, cbETH, AERO, EURC) plus up to 20 extra token addresses you pass, transaction count, and whether the address is an EOA, a smart contract or an EIP-7702 delegated account. Use for portfolio checks, counterparty screening and payment verification. Costs $0.005 in USDC on Base per successful call, paid with x402.

Audit a Base wallet address in one call: high/medium/low risk verdict with named flags (no history, single tx, low balance+low activity, contract), token holdings of 4 major tokens (USDC, WETH, cbBTC, DAI), on-chain labels (high ETH holder, active small holder, new address), and transaction count. Use for trader due diligence, suspicious address checks, and before sending a payment or trade to an address. Costs $0.02 in USDC on Base per successful call, paid with x402.

Weather for any point on Earth by latitude and longitude: current temperature in Celsius, conditions (clear, cloudy, rain, snow), precipitation in mm, wind speed and direction, humidity, cloud cover and air pressure, plus an hourly forecast for up to 48 hours. Data from the Norwegian Meteorological Institute. Use for travel and event planning, logistics, agriculture and any agent that needs the weather. Costs $0.002 in USDC on Base per successful call, paid with x402.