Point-and-radius earthquake search backed by the official government seismic seismic catalog: pass a latitude, longitude, and radius to get every quake above a magnitude threshold in that area, with depth, time, and tsunami flag. Use for site-specific hazard checks, facility-risk dashboards, and agents that need earthquake exposure for one location rather than a global stream.

Real-time local weather — temperature, feels-like, humidity, wind speed, and condition code — plus a 3-day forecast of highs, lows, and rain probability for any latitude/longitude. For assistant agents, logistics planning, and event scheduling that need current and near-term conditions in one call. Updated every 10 minutes.

On-demand QR code creation from plain text or a URL, configurable size from 128 to 1024 pixels with medium error correction baked in, returned as a base64 PNG with nothing retained afterward. Useful for payment links, business cards, table tents, and any workflow that needs a fresh scannable code generated in milliseconds rather than through a design tool.

Marine conditions API: current wave height, wave period, swell wave height, and sea surface temperature for any ocean latitude/longitude worldwide, as structured JSON from a global marine weather model. Use for shipping, boating, surf forecasting, and offshore-operations agents. Coverage is open water only — points far from any ocean may return null values. Cached 10 minutes.

Math fact generator for integers: computes a bundle of properties for any number you supply, primality, factorization, perfect-square status, Fibonacci membership, and alternate representations in binary, hex, and Roman numerals. Deterministic and instant, with no external lookup involved. Good for trivia games, validation logic, or satisfying idle curiosity about a specific integer.

Linear algebra API: determinant, inverse, transpose, eigenvalues, multiply, or add matrices up to 50x50 with structured array inputs — exact computation, instant. The linear algebra LLMs can't do reliably in-context. For engineering, graphics, and scientific agents.

Descriptive statistics API: feed up to 100,000 numbers and get count, sum, mean, median, mode, sample standard deviation, variance, min/max/range, percentiles (p25/p50/p75/p90/p99), and IQR-flagged outliers. Deterministic and auditable — cheaper than burning reasoning tokens, zero arithmetic-hallucination risk, and the result can be cited. For data QA, monitoring, and analysis agents.

Matrix math calculator for determinant, inverse, transpose, eigenvalues, and matrix multiplication or addition, on arrays up to 50x50. Built for graphics transforms, engineering simulations, and any workflow where a language model's mental arithmetic on matrices can't be trusted. Exact numeric output every call.

Matrix math API: determinant, inverse, transpose, eigenvalues, multiplication, and addition for matrices up to 50x50 — exact linear algebra.

Produces an MD5 hash, or SHA-1, SHA-256, SHA-512 on request, of any text input as a hex digest, computed instantly with nothing stored. Useful for legacy checksum compatibility, quick fingerprinting, and integrity checks in pipelines that still expect an MD5 value alongside newer algorithms.

Descriptive statistics calculator returning mean, median, mode, standard deviation, and full percentile breakdown (p25/p50/p75/p90/p99) for a numeric dataset, plus IQR-flagged outliers. For dataset summarization, benchmarking, and reporting agents that need exact figures, not an LLM's rounded estimate.

General-purpose measurement converter spanning length, mass, volume, area, speed, pressure, energy, power, and digital storage across 100+ units, with exact conversion factors computed instantly. For engineering specs, recipe scaling, shipping calculations, and any agent translating between metric and imperial systems.

Converts between metric and imperial units — meters to feet, kilograms to pounds, liters to gallons, and 100+ other unit pairs across length, mass, volume, and more — with exact factors and no rounding surprises. For international shipping, engineering handoffs, and travel-planning agents.

Metric-imperial conversion API: miles↔km, lb↔kg, °F↔°C, gallons↔liters and 100+ more units, one call, exact factors. Deterministic and auditable — cheaper than burning reasoning tokens, zero arithmetic-hallucination risk, and the result can be cited.

Minute-level precipitation nowcast for the next 2 hours (15-minute steps) for any point on Earth, as structured JSON. Built for agents that need a near-term rain call rather than a daily or hourly forecast. Accuracy depends on regional radar coverage — strongest in the US and Europe, weaker elsewhere.

Molar mass API: compute the molecular weight of any chemical formula in g/mol — handles nested parentheses (Ca(OH)2, Fe2(SO4)3) and hydrates (CuSO4·5H2O). Returns the total, atom count, and a per-element breakdown with mass percentages. For chemistry, lab, pharma, and education agents.

Mole-to-mass-to-molecule-count converter for any chemical formula: supply a mass in grams or an amount in moles and get the full conversion set computed from the compound's exact molar mass. Useful for lab calculations, dosage prep, and chemistry education tools.

Molar mass API: the molecular weight of any chemical formula (H2O, C6H12O6, Ca(OH)2, CuSO4·5H2O) in g/mol, with a per-element mass breakdown and mass percentages. Nested groups and hydrates supported.

Mole conversion API: for any chemical formula, convert between grams, moles, and number of molecules using the formula's molar mass and Avogadro's number. Give grams or moles and get all three. For stoichiometry, lab prep, and chemistry education agents.

Computes the current moon phase name and illumination percentage for any date and location, alongside sunrise, sunset, and solar noon, all calculated directly from astronomical formulas rather than looked up from a table. For agriculture apps, astrology content, and outdoor-event planning tied to lunar cycles.

Mortgage and loan payment calculator: enter principal, annual rate, and term to get the exact monthly payment, total amount paid over the life of the loan, and total interest owed. Built for home-buying estimates, amortization sanity checks, and personal-finance planning agents that need real numbers instead of a rough guess. Not financial advice — just exact arithmetic on the inputs you give it.

MP4 to MP3 API: extract the audio track from any public video URL as an MP3 (192k), on our own hardware. 25MB input cap. Use before transcription or for audio archiving. Files deleted after processing.

Validate an email address's syntax and confirm its domain has live mail servers configured (MX records, falling back to A record), returning the parsed domain and sorted mail hosts. For cleaning contact lists, pre-checking signup forms, and CRM enrichment agents that need to filter out addresses that can never receive mail.

Query mail server (MX), address (A/AAAA), text (TXT), or any other DNS record type for a hostname, with DNSSEC validation status and the full set of returned records — name, type, TTL, and data — as JSON. Useful for checking email deliverability setup, verifying domain ownership, and infrastructure monitoring. Results cached 5 minutes.

Pull authoritative registration data for any domain name — registrar, nameservers, status codes, and the registration, update, and expiry dates — across gTLDs and most country-code TLDs. Built for availability checks, ownership research, and expiry-monitoring agents that need a single structured record instead of parsing raw registry text. Cached 24 hours.

Resolve the nameservers, mail servers, or any other DNS record type for a hostname, with DNSSEC status included in the response. Useful for confirming a domain migration completed, diagnosing email delivery issues, or validating that infrastructure changes propagated correctly. Answers are structured JSON and cached for 5 minutes.

Text narration API: turns up to 2000 characters of written text into spoken audio, choosing from five male and five female voice options, returned as base64-encoded WAV. Nothing typed is stored. Good for audiobook snippets, accessibility read-aloud features, and adding a voice layer to otherwise silent notification systems.

One featured space image or video per day, with a written explanation, media type, and direct image URL, as structured JSON. Optional date param retrieves any past day's picture. Built for content-generation agents, daily-newsletter bots, and novelty/education feeds that want a fresh space visual with zero curation effort.

Full public holiday calendar for any of 110+ countries and any year — date, local-language name, English name, whether it's observed nationwide, and which subdivisions recognize it — as structured JSON. Used by payroll systems, delivery schedulers, and SLA calculators that need to know which dates are actually business days.

A worldwide feed of currently open natural events — wildfires, storms, volcanic activity, floods, earthquakes, sea/lake ice, drought, and more — as structured JSON with per-event title, category, source, and latest position/magnitude. Complements US-only NWS and USGS hazard feeds with global reach. Optional category filter and result limit. Legitimately returns an empty list when a filtered category has no open events.

Near-earth object feed: asteroids passing close to Earth this week — name, size estimate, closest-approach date and distance, relative velocity, and potentially-hazardous flag, as normalized JSON. For risk, science, and content agents.

Precipitation broken into 15-minute intervals for the next 2 hours at any latitude/longitude, for short-horizon 'is it about to rain' decisions. Use for last-mile delivery timing, outdoor-event go/no-go calls, and field-service dispatch. Best coverage in radar-dense regions (US, Europe); other regions may show low-resolution model estimates.

Returns normalized metadata for any npm package, current version, license, dependency list, and whether it's been deprecated, without needing to parse the full, much larger raw registry response. For agents auditing a project's dependency tree or deciding what to install.

npm package inspection API: latest version, publish date, license, deprecation status, dependency count, and maintainer count for any npm package. Dependency hygiene for coding agents, cached hourly.

npm package info API: the latest published version of any npm package with its publish metadata, license, declared dependencies, deprecation notice if any, and dist details — the pre-install check coding agents should always run. Scoped packages: URL-encode the slash. Cached 1 hour.

Looks up the latest published version of any npm package along with its license, declared dependencies, publish date, and deprecation status, the check a coding agent should run before adding a dependency to a project. Remember to URL-encode the slash in scoped package names.

Number facts API: everything mathematically interesting about any integer — is it prime, its prime factorization, Fibonacci membership, perfect-square status, even/odd, binary and hexadecimal forms, Roman numeral, and digit sum. Computed locally, deterministic, instant. For quiz agents, content generation, validation, and the incurably curious.

Number trivia API: the mathematical personality of any integer — prime status, prime factorization, Fibonacci membership, perfect-square check, binary/hex/Roman forms, and digit sum. Instant, deterministic, endlessly curious.

Marine conditions API by coordinates: current wave height, wave period, swell wave height, and sea surface temperature for any ocean point worldwide. Structured JSON for boating, shipping, surf-forecast, and offshore-operations agents.

On-this-day API: notable historical events for any month/day — year, one-line description, and related article links. Fresh daily content for newsletters, social bots, and trivia agents.

Look up what a tokenized share is currently priced at on-chain, straight from the asset's price feed on Robinhood Chain, together with supply and contract details of the token itself. Built for agents reconciling off-chain market data against what smart contracts actually see.

OpenGraph and meta tag extraction API: title, canonical URL, favicon, og:*, twitter:*, description, and author for any public page as clean JSON. For link previews, SEO audits, and content cataloging agents.

Check whether a Robinhood Chain price feed has updated within its expected interval before relying on the quote. Returns age in seconds, the heartbeat budget, grace window, and a stale/fresh verdict, plus round metadata an agent can recheck on-chain itself via the included feed address.

Page metadata API: extract the title, canonical URL, favicon, OpenGraph tags, Twitter card tags, description, author, and keywords from any public web page as clean JSON — the everything-you-need for link previews, SEO audits, share cards, and content catalogs. SSRF-guarded, 512KB cap.

Cron expression parser API: validate any cron expression and get its next N run times as ISO timestamps in any timezone. For scheduler-building and automation agents.

Phone number parsing API: validate any phone number and get its country, E.164 canonical form, national and international formats, and line type (mobile/landline where determinable). Handles messy human input with a default-country hint. For lead cleaning, signup validation, CRM dedup, and dialing agents. Nothing stored.

Party-game question API serving would-you-rather dilemmas an agent can drop straight into a chat: each entry is a single self-contained question with a category tag. The agents-and-ai category is written specifically to make other bots (and their humans) laugh.

Historical weather API by coordinates and date range: daily high/low temperature and total precipitation for any past date range at any latitude/longitude worldwide, back to 1940. Structured JSON for backtesting, insurance, agriculture, and research agents.

Reads a public PDF and returns its text content with structure preserved, handling standard digital PDFs up to 25MB. Files are processed in an isolated sandbox and discarded immediately. Useful anywhere a workflow needs a PDF's contents as plain text instead of a downloadable binary.

PDF parser API for agents: URL in, extracted text out. Digital PDFs parsed with layout preserved. Use for document ingestion, RAG pipelines, contract reading, and report analysis. No retention.