All Services

Computes compound interest, loan/mortgage payments, or ROI from structured numeric inputs, returning exact arithmetic results.

Returns minute-level precipitation forecasts in 15-minute steps for the next 2 hours at any latitude/longitude, as structured JSON, using radar-based nowcasting.

Converts a hex or RGB color value into hex, RGB, and HSL representations, plus a light/dark classification and the optimal black-or-white text color for contrast.

Looks up official US congressional bill records by congress number, bill type, and bill number, returning title, sponsor, latest action, policy area, committee referrals, and counts of actions, cosponsors, and amendments.

Returns atomic number, atomic mass, electron shells, electronegativity, and physical properties for any chemical element given its symbol, name, or atomic number.

Returns recent earthquakes within a specified radius of any geographic point, filtered by minimum magnitude, including depth, epicenter distance, timestamp, and tsunami-risk flag per event.

Converts between cooking units (volume and weight) with ingredient-aware density lookup for 40+ common ingredients like flour, sugar, and butter.

Checks whether a domain permits AI usage of its content by parsing robots.txt AI directives (search, ai-input, ai-train) into structured JSON with a plain-English interpretation.

Returns latest version, publish date, license, deprecation status, dependency count, and maintainer count for any npm package.

Returns latest version, summary, license, Python version requirements, dependency declarations, and yank status for any PyPI package by name.

Parses a cron expression and computes the next 1–20 scheduled firing times in a specified timezone, flagging malformed expressions with clear errors.

Checks a domain's TLS/SSL certificate and returns its issuer, subject, validity dates, and exact days remaining (or overdue) before expiration

Returns 15-minute-interval precipitation forecasts for the next 2 hours at a given latitude/longitude for immediate 'is it about to rain' decisions.

Extracts title, description, thumbnail image, and social-sharing metadata from any public URL to render rich link preview cards

Generates WCAG-compliant, under-125-character accessibility alt text for any image given its public URL

Retrieves owner-reported NHTSA defect/complaint records for a US vehicle by VIN or year/make/model, optionally filtered by component

Generates a random integer within a specified range and returns an HMAC-SHA256 server seed for post-draw verification, enabling provably fair randomness.

Removes the background from an image URL and returns a transparent PNG with the subject isolated, processed locally without third-party services.

Fetches a public PDF URL and returns clean, layout-preserving extracted text in one API call

Validates a cron expression and returns the next 1–20 scheduled run times as ISO 8601 timestamps in any IANA timezone.

Returns structured JSON of all known near-Earth objects making close approaches to Earth this week, including size, miss distance, velocity, approach date, and hazard classification.

Returns NASA's Astronomy Picture of the Day (APOD) for today or any past date as structured JSON, including title, explanation, media type, and full-resolution URL.

Returns structured NHTSA-style owner complaint records for a given vehicle year/make/model or VIN, including component, narrative, crash/fire flags, injuries, and dates.

Computes exact descriptive statistics (mean, median, mode, std dev, variance, percentiles p25–p99, range, sum, IQR outliers) for an array of up to 100,000 numbers.

Fetches a remote file by URL and returns its cryptographic hash (SHA-256, SHA-512, SHA-1, or MD5) to verify it matches a published checksum before use.

Converts any text or URL (up to 2000 characters) into a scannable PNG QR code, returned as a base64-encoded image at a configurable size between 128 and 1024 pixels.

Calculates great-circle (haversine) distance between two geographic coordinates in km, miles, and nautical miles, plus the initial compass bearing

Validates the trustworthiness of an on-chain price feed for a tokenized equity on Robinhood Chain by running staleness, positive-answer, and round-validity checks, returning a single status verdict and per-check detail.

Computes precise sunrise, sunset, solar noon, and golden-hour timing for any latitude/longitude and date, with no external lookup delay.

Returns a normalized JSON object with comprehensive country metadata (capital, ISO codes, currencies, languages, calling code, region, area, borders, flag emoji) for any country identified by name or 2/3-letter code.

Returns daily high/low temperature and total precipitation for a given latitude/longitude and date range, covering any past dates back to 1940.

Returns recent earthquakes within a specified radius of any geographic point, filtered by minimum magnitude, ordered newest first

Validates a cron expression and returns the next N scheduled run times as ISO 8601 timestamps in any IANA timezone.

Fetches and parses a domain's robots.txt file, extracting AI-specific directives (search, ai-input, ai-train) into structured JSON with a plain-English summary of what scraping or training is permitted.

Validates an email address via RFC-style syntax check and live DNS MX/A record lookup, returning the parsed domain, sorted mail hosts, and a deliverable flag — without probing the mailbox itself.

Converts any text or URL (up to 2000 characters) into a scannable PNG QR code returned as a base64-encoded image, with configurable size from 128–1024px.

Returns comprehensive data for any of the 118 chemical elements given a symbol, name, or atomic number

Validates whether a chess move is legal in a given FEN position and returns the resulting board state, capture info, and check status

Returns currently open natural disaster events worldwide (wildfires, storms, volcanoes, floods, sea ice, etc.) as structured JSON from NASA EONET, with optional category filter and result limit.

Calculates the molar mass of any chemical formula in g/mol, with per-element mass contributions and percentage breakdowns, supporting nested groups and hydrates.

Searches the US Federal Register for government rules, proposed rules, executive orders, and notices matching a keyword, returning the 10 newest matching documents with metadata and links.

Returns a 48-hour, hour-by-hour weather forecast (temperature, precipitation, wind speed, weather code) for any coordinates on Earth

Converts values between metric and imperial units (miles↔km, lb↔kg, °F↔°C, gallons↔liters, and 100+ more) using exact conversion factors in a single API call.

Searches official US FDA enforcement reports for recalled medical devices, returning severity class, defect reason, recalling firm, distribution scope, and key dates.

Returns the latest version, license, Python version constraint, declared dependencies, and yank status for any PyPI package — a quick pre-install metadata check for Python coding agents.

Returns the current time in any IANA timezone as a local ISO timestamp, UTC ISO, Unix epoch, human-readable string, and day of week

Resolves any DNS record type (A, AAAA, MX, TXT, NS, CNAME, SOA, CAA, SRV, PTR) for any hostname, returning full answer records with DNSSEC validation status as JSON.

Normalizes messy phone number input into E.164, national, and international display formats while detecting country and line type (mobile vs landline).

Generates a QR code image from any text or URL, returned as a base64-encoded PNG at a configurable pixel size

Returns the current USD oracle price for a tokenized equity (e.g. AAPL, NVDA, TSLA, SPY) on Robinhood Chain, with raw fixed-point answer, feed decimals, update timestamp, and a stale/fresh verdict.

Returns current PM2.5, PM10, ozone, NO2 concentrations and the composite US AQI for any latitude/longitude on Earth, refreshed every 15 minutes from a global atmospheric model.

Generates 768-dimension embedding vectors for 1–64 texts per call, computed locally, paid per call with USDC via x402.

Validates the format and checksum of a Polish REGON business registry number via pay-per-call micropayment

Converts a PowerPoint (PPTX) presentation to LLM-readable Markdown, turning each slide into a heading with its text content

Converts a single 2D image URL into a textured low-poly GLB 3D mesh with a preview thumbnail in 10-30 seconds, billed per call in USDC on Base.

Converts a single product or object photo into a high-poly textured GLB 3D model with PBR-like shading and a preview thumbnail, billed per call in USDC on Base.

Renders a Mermaid diagram definition string into a PNG or SVG image, returning a base64-encoded image via MCP content type.

Creates a single-use HTTPS webhook URL that captures any incoming POST request for a configurable duration (up to 24 hours), with pay-per-read access to captured events.

Locally verify a Semaphore ZK proof using Groth16 with an embedded official verification key, requiring no external dependencies.

Converts an XLSX spreadsheet or CSV file (via URL or base64) into a Markdown table and a JSON array of row objects in a single call, covering all sheets.

Verifies a NIP-98 Nostr HTTP authentication event and returns the signer's public key, with stateful replay protection ensuring each event ID is only accepted once.

Creates a permanent or TTL-expiring short link on freeq.one with optional custom slug, returning the short URL and a one-time manage secret for stats and deletion

Batch-verifies up to 10 Semaphore ZK proofs in a single pay-per-call request, returning per-proof results with total count and average verification duration.

Returns all keywords a domain ranks for in organic search, including position and search volume, via pay-per-call USDC micropayment.

Chat with a language model via an OpenAI-compatible /v1/chat/completions interface supporting 50+ models, paid per-call in USDC on Base via x402

Finds organic search competitors for any domain using SEO data, returning ranked competitor domains.

Generates keyword ideas and search volume data from a seed keyword, priced per-call in USDC on Base via x402.

Converts an Ethereum address to its EIP-55 checksummed form for use in SIWE (Sign-In With Ethereum) messages and other standards requiring checksummed addresses.

Classifies keywords by search intent (informational, transactional, or commercial) using pay-per-call USDC micropayments on Base.

Verifies a stablecoin's issuer identity, GENIUS Act qualification status, and latest reserve attestation by resolving from chain+address, known symbol, or transaction hash

Returns a backlink overview for any domain, including referring domains, total backlink count, and domain authority — pay-per-call in USDC on Base.

Purchase a digital gift card code for a specified product and face value, paid via x402 micropayment protocol.

Verifies a World ID 4.0 proof by proxying through the Worldcoin Developer Portal API with server-side RP signature generation, returning validity, nullifier, and raw Worldcoin response.

Classifies market depth (DEEP/MODERATE/SHALLOW/VERY_THIN) for an Avalanche C-Chain trading pair using live TVL across Trader Joe, Pangolin, and Uniswap v3, and flags thin liquidity risks before trading.

Returns raw AMM pool reserves, mid price, fee tier, and USD TVL for a token pair on Base L2 across BaseSwap, SushiSwap, and Uniswap v3

Returns raw AMM pool reserves, mid price, fee tier, and USD TVL for a token pair across SushiSwap and Uniswap v3 fee tiers on Arbitrum One at the current block.

Returns live gas prices across 6 EVM chains (BNB Chain, Polygon, Arbitrum, Base, Avalanche, Optimism) in gwei, base fee, and USD cost for transfers, ERC-20 transfers, and swaps, sorted cheapest-first.

Simulates a swap on Base L2 across BaseSwap, SushiSwap, and Uniswap v3 to return best execution venue, amount out, price impact in basis points, pool fee, and savings vs naive routing for a given trade size.

Simulates a swap against live AMM reserves on Avalanche C-Chain to return actual execution price, price impact in bps, pool fee, and best venue across Trader Joe, Pangolin, and Uniswap v3.

Returns per-venue liquidity depth, pool reserves, TVL, and market share for a token pair across BaseSwap, SushiSwap, and Uniswap v3 on the Base L2 network.

Returns the best DEX buy and sell venues, cross-exchange spread in bps, fee-adjusted arbitrage spread, and optimal trade size for a token pair on Optimism (OP Mainnet) across SushiSwap and Uniswap v3 fee tiers.

Decodes all 14 Uniswap v4 hook permission bits from a contract address on Base mainnet, flags security risks (swap custody, fee-taking, upgradeable proxies), and returns a custody class and risk profile for pre-trade safety gating.

Scans all liquid SushiSwap and Uniswap v3 pairs on Arbitrum One and returns ranked cross-venue arbitrage spreads with buy/sell venues, spread in bps, optimal trade size, and gross USD value.

Scans all liquid pairs across Trader Joe, Pangolin, and Uniswap v3 on Avalanche C-Chain and returns ranked arbitrage opportunities with spread in bps, optimal trade size, and gross USD profit.

Returns the best-execution venue for buying and selling a token pair on BSC/BNB Chain, with cross-DEX spread in bps, fee-adjusted arbitrage spread, and optimal trade size

Simulates a token swap against live AMM reserves on Polygon PoS across QuickSwap, SushiSwap, and Uniswap v3 to return actual execution price, amount out, price impact in basis points, pool fee, and best venue for a given trade size.

Returns raw AMM pool reserves, mid price, fee tier, and USD TVL for a token pair across QuickSwap, SushiSwap, and Uniswap v3 on Polygon PoS at a stated block.

Simulates a swap on Arbitrum One against live AMM reserves across SushiSwap and Uniswap v3 to return actual amount out, price impact in bps, pool fee, and best execution venue for a given trade size.

Returns per-venue DEX liquidity, market depth, TVL, and pool reserves for a token pair on Polygon PoS across QuickSwap, SushiSwap, and Uniswap v3

Returns raw AMM pool reserves, mid price, fee tier, and USD TVL for a token pair across SushiSwap and Uniswap v3 fee tiers on Optimism (OP Mainnet) at the current block.

Accepts a free-text query and returns up to 25 ranked organic web search results with title, destination URL, display URL, and snippet — sponsored results excluded.

Simulates a token swap against live BSC/BNB Chain pool reserves to return real execution price, price impact in basis points, pool fee, best venue, and amount out for a given trade size.

Returns the live USD spot price of any BEP-20 token on BNB Chain (BSC) by ticker symbol, along with the DEX pair used, USD liquidity depth, and a confidence rating.

Converts latitude and longitude coordinates to a human-readable street address and place name using OpenStreetMap Nominatim with worldwide coverage.

Classifies liquidity depth (DEEP/MODERATE/SHALLOW/VERY_THIN) for a trading pair on OP Mainnet by aggregating live TVL across SushiSwap and Uniswap v3 fee tiers and flagging thin-market risks before a trade.

Converts a street address, city, or place name into latitude/longitude coordinates with structured address parts, bounding box, and confidence score via OpenStreetMap Nominatim.

Returns real-time on-chain token pair prices, liquidity/TVL, and cross-exchange arbitrage spreads across PancakeSwap v2/v3, Biswap, and ApeSwap on BSC in a single call

Returns real-time USD spot price for any ERC-20 token on Avalanche C-Chain by ticker symbol or contract address, sourced from Trader Joe, Pangolin, and Uniswap v3 pools.

Returns the real-time USD spot price of any ERC-20 token on Polygon PoS, sourced from QuickSwap, SushiSwap, and Uniswap v3 pools, with liquidity depth and confidence rating.

Scans all liquid pairs across BaseSwap, SushiSwap, and Uniswap v3 on Base L2, returning ranked cross-venue arbitrage spreads with buy/sell venues, spread in bps, optimal trade size, and gross USD profit.