IP address validator, IPv4 IPv6 detector, IP format check, private IP detection, loopback detection, link-local detection, multicast detection, RFC 1918, network classifier. Validate any IP address (IPv4 or IPv6) and classify as public/private/loopback/link-local/multicast/reserved.

Extract EXIF metadata from a JPEG/TIFF image URL. Returns camera make/model, lens, ISO, exposure, focal length, GPS coords, dimensions, datetime taken, orientation. Use url param Built for AI agents auditing photo provenance, building EXIF-stripping pipelines, or photo organization.

Statistics calculator, mean median mode, standard deviation variance, quartiles, min max range, descriptive statistics, summary statistics, dataset analysis. Compute statistical measures: mean, median, mode, stddev, variance, min, max, range.

Recent NFT sales for a collection by contract and chain: buyer, seller, price, marketplace and time, from an indexed source behind an API key. For floor, volume and wash-trade analysis. nft trades, nft sales, recent sales, nft price history, marketplace activity

Wallet age and activity profile: POST a Base address, returns wallet age (since first inbound), total transaction count, ETH balance, last activity date, days since last tx, and a recent monthly activity heatmap. Verdict: fresh, established, dormant, inactive, with sybil/freshness flags. For AI agent due diligence to distinguish a brand-new throwaway wallet from an established active one before transacting. Not financial advice.

Bidirectional ENS + Basename resolution: POST { name } (e.g. vitalik.eth or jesse.base.eth) to resolve its address, or POST { address } to resolve its primary name (checks both Base basename and Ethereum .eth). Uses the L1 ENS Universal Resolver with ENSIP-19, CCIP-read, which a Base-only RPC cannot do. For AI agents resolving human-readable names to addresses and labeling counterparties before transacting.

Phone number validator, E.164 format check, international phone validation, country code parser, phone number format, mobile number verification, phone syntax validator. Validate phone number against E.164 international format (+1-3 digit country code, 4-14 digit subscriber).

Percentage USD price change of a token over a chosen period, by chain and contract address or coingecko id. For momentum, alerts and screening. Live percent change. price change, percent change, momentum, pump detector, token performance

Counterparty exposure analysis: given wallet address, scans last 30 days of Base USDC transfers and aggregates interactions with all labeled entities (CEX, DEX router, bridge, protocol). Returns labeled counterparties with name, category, in/out tx count, total USDC volume, last_block. Red flags if counterparty is sanctioned, mixer, scam. For agent due diligence, automated KYC-lite, source-of-funds verification.

Compute markdown stats: words, characters, paragraphs, headings, code blocks, links, images, reading time (200 wpm). Use url param or ?text=.... Built for AI agents auditing docs, estimating cost/length for LLM ingest.

WCAG contrast ratio calculator, accessibility checker, color contrast, a11y, WCAG 2.1 AA AAA, text contrast, color blindness, readable text color. Calculate WCAG 2.1 contrast ratio between two colors and return pass/fail for AA/AAA at normal/large text sizes.

ERC20 token metadata by contract address and chain: name, symbol, decimals, logo, total supply and verified-contract flag, from an indexed source behind an API key. Data agents cannot self-derive. token metadata, erc20 info, token name symbol decimals, contract metadata, token logo

ssl certificate checker, SSL certificate validator, check SSL certificate, SSL certificate expiration, HTTPS certificate check, SSL chain analyzer. Get full TLS handshake details for any domain: issuer, subject, SANs, validity dates, days remaining, fingerprint, serial, protocol, cipher. For AI agents, security audits, monitoring, HTTPS pipelines, tls certificate check, certificate expiry

PBKDF2 key derivation, password hashing, KDF, scrypt alternative, stretch password, derive encryption key, password-based key derivation, iterations, salt. Derive a cryptographic key from a password using PBKDF2 with configurable iterations, salt, and hash algorithm.

On-chain Uniswap V3 swap quote for any token pair - estimated output amount, effective rate and best fee tier, read directly from pools across Base/Ethereum/Arbitrum/Optimism/Polygon - real-time executable pricing agents need before swapping that LLMs cannot compute. swap quote, swap estimate, uniswap quote, token swap rate, dex quote, how much will i get

Live Aave V3 lending markets ranked by TVL with supply APR, utilization, max LTV, liquidation threshold and penalty per asset - real-time rates and risk parameters agents need to compare lending/borrowing options, computed from the subgraph. lending markets, aave rates, supply apr, borrow rate, lending comparison, liquidation threshold

Current weather at a location by latitude and longitude or city name: temperature, feels-like, humidity, precipitation, wind. Live conditions an LLM cannot know. weather now, current weather, temperature, wind, conditions by city

Verified contract metadata by address and chain: contract name, compiler version, optimization, license, and proxy with implementation address, from a block explorer behind an API key. Does not return full source. contract source, verified contract, compiler version, proxy implementation, contract metadata

Current marine sea conditions at a coastal or ocean point by latitude and longitude: wave height, wave period, wave direction. For shipping, ports and offshore ops. marine weather, wave height, sea state, shipping conditions, offshore

Percentage calculator, percent of, percent change, percent increase decrease, what percentage, tip calculator, discount calculator, markup, margin. Compute percent operations: X percent of Y, what percent X is of Y, percent change from X to Y, X increased or decreased by Y percent.