48-hour hourly forecast for any latitude/longitude: temperature, chance and amount of precipitation, wind speed, and a weather condition code for each hour. Built for delivery routing, outdoor-event timing, and assistant agents that need to know what the weather looks like at a specific hour, not just a daily summary.

Accessibility alt-text generator: produces a concise, screen-reader-ready description under 125 characters for any image URL, matching WCAG guidance on alternative text. Images pass through without being retained. Built for content-management pipelines, bulk site remediation, and automated accessibility audits that need alt attributes filled in at scale.

Active tropical cyclone tracker API: every tropical storm, hurricane, and depression currently being tracked worldwide by the US National Hurricane Center — name, basin, classification, position, wind intensity, and pressure — as normalized JSON. Built for logistics rerouting, travel-risk, and disaster-response agents. Returns an empty list outside of active storm activity.

All tornado warnings and tornado watches currently in effect anywhere in the United States, with the specific counties/zones affected, severity, urgency, and the full official US government alert feed alert text. For emergency-notification agents, logistics rerouting, and outdoor-event safety logic. Legitimately empty when no tornado activity is occurring.

Every US volcano currently under a WATCH, ADVISORY, or WARNING alert level, with its aviation color code and the timestamp of the latest notice. Covers Alaska, Hawaii, the Cascades, Yellowstone, and the Mariana Islands. Useful for aviation-routing, disaster-response, and content agents that need to know which volcanoes are actively unsettled right now.

Adds or subtracts a number of days from any date and returns the resulting calendar date plus its weekday, exact date arithmetic instead of the off-by-one errors that show up when a model counts days in its head. For deadline calculations, reminder scheduling, and contract term tracking.

Given a postal code and country, get back the associated place name, region or state, and geographic coordinates — covering 60+ countries including the US, Canada, UK, Germany, and France. Built for address validation and geo-enrichment steps in signup, checkout, and logistics pipelines. Cached 24 hours.

Random draws from a curated advanced-English word list, one to ten at a time, each entry carrying part of speech, a precise one-sentence definition, an example sentence, and synonyms. Deterministic dataset with stable entries — the same word always teaches the same meaning.

10 structured tenets explaining how ForgeMesh designs x402 services for agent discovery: rich free llms.txt/openapi surfaces, the 402 challenge as a free probe, paying for aggregation not secrets, upstream rug-pull tiering, and price laddering. Each tenet has an id, a one-line statement, and a detail paragraph.

Agent fortune API: a fortune cookie written specifically for AI agents ('A cached response is worth two upstream calls'), plus a lucky number and lucky HTTP status code. The cheapest, most delightful way to make your first x402 payment and verify your wallet stack works end to end. New fortune every call.

A directory built for agents choosing which paid tool to call next: 11 ForgeMesh x402 services with category, endpoint counts, and price ranges, refreshed from each service's live API discovery output. Optional category filter narrows results. Returns the product id needed to fetch full call shapes from fleet-product-detail.

Checks whether a domain's published policy permits AI systems to read, train on, or index its content, parsing the relevant robots.txt directives into structured JSON with a human-readable interpretation. Built for scraping agents, dataset builders, and RAG pipelines that need to verify permission before ingesting a site's pages.

AI fortune cookie: a novelty endpoint that hands back a fresh aphorism written with AI agents in mind, plus a lucky number and lucky status code, on every request. Useful as a low-stakes first call to verify a payment flow works end to end, or simply as a bit of personality to sprinkle into a bot's replies.

Air quality index API by coordinates: current US AQI, PM2.5, PM10, ozone, and NO2 for any lat/lon worldwide from a global air-quality model. For health, travel, logistics, and smart-home agents.

Airport lookup API: resolve any 3-letter IATA or 4-letter ICAO code to the airport's name, city, state, country, coordinates, elevation, and IANA timezone — 29,000+ airports worldwide, answered locally in milliseconds. Unknown codes return an unpaid 404. For travel planning, flight tooling, and logistics agents.

Look up any airport by its IATA or ICAO code and get back precise coordinates, elevation, and IANA timezone alongside the airport's name and location — useful for scheduling arrivals and departures across time zones or plotting airports on a map. Covers 29,000+ airports worldwide, resolved locally in milliseconds.

Returns the complete set of call shapes (routes, methods, input schemas, worked examples, prices) for a named ForgeMesh x402 service, so an agent can construct a correct request without probing the live API first. Required `product` — an id or name from fleet-products; unmatched values list the valid options.

The daily featured astronomy image or video, with title, explanation text, media type, and image URL, as normalized JSON. Optional date param for any day back to mid-1995. For content agents, daily-digest bots, and space-education tools.

Air quality index and pollutant breakdown (PM2.5, PM10, ozone, NO2) for any point on the globe by latitude/longitude. Use it to power health advisories, travel-planning checks, or automated alerts when conditions turn unhealthy for sensitive groups. Data refreshes on a 15-minute cycle and carries a CC BY 4.0 attribution.

Archived daily weather (max temperature, min temperature, total precipitation) for any point on Earth over a specified past date range, as structured JSON. Built for agents doing historical analysis, insurance claim verification, or trend backtesting that need actual recorded conditions rather than a forecast.

Shape math calculator for area, perimeter, and diagonal length of circles, rectangles, and triangles from plain numeric dimensions — includes Heron's formula for triangles given three sides. Useful for flooring estimates, land-plot sizing, classroom geometry problems, and CAD pre-checks where an exact figure is needed, not an approximation.

Readable-article extraction API: strips a public web page down to its title, author line, and main body text, discarding menus, ads, and sidebars. A pre-crawl permission check runs first, honoring each site's crawl rules. Useful for building article archives, feeding LLM pipelines, or preparing pages for text-to-speech and translation.

Every near-earth object making a close approach to Earth this week — estimated size, closest approach date, miss distance, velocity, and whether it's classified as potentially hazardous — as structured JSON. For space-risk dashboards, science newsletters, and education agents covering near-earth asteroid activity. Refreshed every 6 hours.

Pulls the current day's featured astronomy image along with its title and full explanatory caption, as structured JSON. Built for content agents, daily digest bots, and education tools that want a rotating supply of space imagery with context attached rather than a static image library. Cached 6 hours.

Astronomy picture of the day API: one featured space image or video per day — title, plain-language explanation, media type, and full-resolution URL — as structured JSON. Defaults to today's picture; pass an optional date (YYYY-MM-DD) for any day back to mid-1995. Use for daily-digest bots, content-scheduling agents, and space-education or novelty feeds. Cached 1 hour.

Chemical element reference: look up any of the 118 known elements by atomic number, symbol, or name and get atomic mass, electron configuration, electronegativity, melting/boiling points, density, and phase at room temperature. For chemistry homework, materials science, and lab-prep agents needing a quick, sourced fact check.

Audio format conversion: takes a public audio or video file URL in formats like mov, wav, ogg, or m4a and returns it as an MP3, ready for playback or downstream processing. Nothing from the source file persists after conversion. Fits into podcast pipelines, voice-note normalization, and any workflow that needs one consistent audio format.

Audio-to-text conversion: submit any public audio file URL (mp3, wav, m4a, ogg, up to 25MB) and get back a full text transcript, with the source language automatically detected across roughly 99 languages. Audio is processed in an isolated sandbox and deleted immediately afterward. Built for turning meeting recordings, interviews, and voice memos into searchable text.

Audio transcription API for agents: paid per call, no keys, no accounts. Neural speech-recognition transcript of any public audio URL up to 25MB, with segment text. Nothing retained.

Automatic image tagging API: generates a ranked list of descriptive keywords for any image URL, spanning what's depicted, its visual style, and dominant colors. Processing happens without storing the source image. Suited for digital-asset-management systems, e-commerce catalogs, and content classification pipelines that need labels without manual review.

Background removal API: send an image URL, get back a transparent PNG with the subject cleanly cut out (segmentation runs on our own hardware). For product photos, avatars, thumbnails, and design pipelines. Nothing stored.

Public holidays API: every official holiday for any country and year — date, local name, English name, and which subdivisions observe it. For scheduling, SLA, payroll, and delivery-planning agents.

Number base conversion API: convert between any bases 2-36 — binary, octal, decimal, hex, and beyond. Exact, instant.

Full Bible chapter by book and chapter number — e.g. Psalm 23, Romans 8 — served from a locally hosted, complete King James Version (KJV) text: all 66 books, 1,189 chapters, no third-party dependency at request time. Book names are matched case-insensitively and understand common abbreviations. Returns every verse in the chapter individually and as continuous reading text. Unknown books or out-of-range chapter numbers return a clean validation error, never a crash.

Resolve a Bible reference (book, chapter, verse or verse range) to KJV text. Handles common book-name abbreviations case-insensitively; invalid references come back as structured errors.

Look up any Bible verse or verse range by reference — 'John 3:16', 'Genesis 1:1-3', '1 Cor 13:4-7' — with full book names and ~90 common abbreviations accepted. Returns normalized reference and exact King James Version (KJV) text from locally hosted public-domain scripture, no third-party dependency at request time.

Base conversion tool for translating whole numbers between binary, octal, decimal, hexadecimal, and any radix from 2 through 36. Handy for encoding schemes, bit-level debugging, CTF puzzles, and low-level programming tasks where a wrong digit breaks everything. Returns the exact converted value instantly, with no rounding or reasoning-token arithmetic risk.

ForgeMesh's builder philosophy — headline, intro, three numbered principles, and closing line — returned as structured JSON, verbatim from the free forgemesh.io page. Useful for agents citing ForgeMesh's values, generating about-us copy, or reasoning about the company's stated priorities.

Business days calculator API: weekday count between two dates, or add N days to a date and learn what weekday lands. For scheduling, SLA, and deadline agents.

Converts a temperature value between Celsius, Fahrenheit, Kelvin, and Rankine in one call and returns all four scales at once, computed exactly with no rounding drift. For weather apps, cooking and oven-temp conversions, HVAC calculations, and any agent that needs the answer instantly instead of doing the arithmetic itself.

Certificate expiration checker: point it at any domain and get back its certificate's issuer, subject, valid-from and valid-until dates, and exactly how many days remain before it expires, even for certificates that are already expired or fail validation. Built for renewal-reminder cron jobs, uptime monitors, and security audits that can't afford a surprise lapse.

Check whether a domain allows AI usage of its content before you crawl: parses robots.txt Content-Signal and aipref directives (search / ai-input / ai-train) into structured JSON with a plain-English interpretation. Essential pre-flight for scraping, RAG, and training-data agents — especially after Cloudflare's Sept 15, 2026 default gating.

Chemical element API: atomic number, atomic mass, electron shells, electronegativity, and physical properties for any element. Local dataset, instant.

Molecular weight calculator for chemical formulas: parses parentheses and hydrate notation to return total molar mass, atom counts, and the mass contribution of each element. For chemistry coursework, reagent prep, and formulation agents needing an exact figure instead of an estimated one.

List every legal chess move for a position given as FEN, in both SAN (Nf3) and UCI (g1f3) notation, plus turn and check/checkmate/stalemate/draw flags. Pass 'start' for the opening position. For bots playing chess, validating opponents, or teaching the rules.

Check whether a chess move is legal in a given FEN position and get the board state after it: resulting FEN, capture info, and whether the move gives check. Illegal moves return a clear verdict instead of an error, so game bots can handle bad input gracefully.

Chess position analysis from a FEN string: every legal move in SAN and UCI notation, whose turn it is, and full game-state flags — check, checkmate, stalemate, draw, insufficient material, threefold repetition. Optionally validate and apply one move to get the resulting FEN. Deterministic rules logic, not engine evaluation.

Resolve a place name to its geographic coordinates, along with country, region, population, elevation, and local timezone for the closest five matches. Built as the bridge between human-readable locations and any API that only accepts latitude/longitude — geocode once, reuse everywhere.

Geocoding API: city or place name to latitude/longitude with country, region, population, and timezone — top matches ranked. The bridge between human place names and every coordinates-based API.

The latest official space-weather notifications — coronal mass ejection alerts, geomagnetic storm warnings, solar radiation storms, and weekly summary reports — as structured JSON with type, issue time, and full text for each. Covers roughly the last 7 days by default. For infrastructure-risk agents, science newsletters, and space-weather monitoring dashboards.