All services

URL status checker: send any web address and get back its HTTP status code, response latency in milliseconds, and key response headers in one call. Built-in SSRF protections make it safe to point at user-submitted links. Useful for dependency health dashboards, broken-link audits, and confirming an endpoint responds before a scheduled job depends on it.

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

Cooking measurement API: convert between cups, tbsp, tsp, ml, l, fl-oz, grams, kg, oz, lb — including volume↔weight using typical densities for 40+ ingredients (flour, sugar, butter, honey, rice...). A cup of flour is 120g but a cup of honey is 340g. For recipe scaling and grocery agents. Density results labeled approximate.

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.

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.

Statistical summary calculator for a list of up to 100,000 numbers: standard deviation, variance, mean, median, mode, min/max, and range computed exactly. For QA sampling, monitoring dashboards, experiment analysis, and any agent that needs a trustworthy spread measurement instead of an eyeballed guess.

Linear algebra operations on numeric matrices: multiply, add, transpose, invert, or find determinants and eigenvalues from structured array input. For robotics, computer graphics, systems-of-equations solving, and scientific computing agents that need reliable matrix arithmetic without hallucinated entries.

FDA catalysts for a pharma/biotech/medtech company, from openFDA. Pass `?company=Medtronic` (required) plus `?limit=` (max 50). Returns `drug` (recalls + approvals) and `device` (510(k) clearances, PMA approvals, recalls) sections, each with recent items, match totals, and official FDA links. One call across 5 FDA datasets. From x402stock, a market & economic data API (x402, USDC).

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.

Kaspa network hashrate (H/s) + difficulty trend from direct node measurement (Toccata RPC). Post-fork mining-security telemetry. Informational research data — not investment advice.

List Polymarket markets with cursor-based keyset pagination (same filters as /polymarket/markets)

GFS+ECMWF ensemble temperature probability for NWS weather prediction markets

🆕 Beryl (2026-06-25) cut the single-proof withdrawal window from 7 days to 5, with a dual-proof fast path at ~1 day. Given a Base withdrawal-initiation tx, this decodes the L2ToL1MessagePasser event (the withdrawalHash, target & value needed to prove/finalize on L1) and estimates the finalization windows under the post-Beryl rules. For agents managing cross-chain liquidity.

Linear regression API: fit a least-squares line through paired x/y data and get slope, intercept, R-squared goodness-of-fit, and the line equation. For trend analysis, forecasting inputs, and data-science agents. Exact and deterministic.

Solid geometry calculator returning exact volume and surface area for spheres, cylinders, cones, cubes, and rectangular prisms from structured dimension inputs. Built for packaging design, tank and container sizing, construction estimates, and STEM education tools that need a checked number rather than a mental estimate.

Semantic vector generation: turns batches of text (up to 64 per request) into dense 768-dimension embeddings ready to feed into a vector database or similarity search index. Runs without any external API key or subscription, pay only for the call. Well suited for building RAG retrieval layers, clustering related content, or scoring how similar two passages are.

Geometry calculator API: area, perimeter, volume, and surface area for circles, rectangles, triangles, spheres, cylinders, cones, cubes, and prisms — from dimensions. Exact.

Website health probe: checks whether any URL is currently reachable and returns its response time, content type, and caching behavior. Runs safely against arbitrary user-supplied addresses thanks to built-in request guarding. A lightweight heartbeat for monitoring dashboards, CI pipelines, and pre-fetch validation before a larger crawl.

Least-squares linear fit calculator: pass paired numeric data and get back the best-fit line equation, slope, intercept, and goodness-of-fit score. For analytics dashboards, A/B result interpretation, and any pipeline that needs a quick, exact regression without spinning up a stats library.

Fits a straight trend line through a set of x/y data pairs and returns slope, y-intercept, and R-squared fit quality. Useful for spotting growth trends, forecasting next values from historical data, and validating whether a relationship is actually linear before an agent bases a decision on it. Computed exactly, with no sampling error.

Return-on-investment and compound-growth calculator: supply an initial amount, rate, and time horizon to get final value, total interest earned, and effective annual yield. For comparing savings accounts, investment scenarios, and loan offers where exact compounding matters more than an estimate. Results are reproducible and auditable call to call.

Loan payment calculator covering compound interest growth, monthly installment amounts, and return-on-investment math from plain numeric inputs — principal, rate, term, contribution. Useful for budgeting tools, debt payoff planning, and comparing financing offers side by side. Deterministic results an agent can cite without re-running the math itself.

Linear regression API: slope, intercept, R-squared, and the equation of the best-fit line through your x/y data points. Least-squares, exact.

Financial math API: compound interest with any compounding frequency, monthly loan/mortgage payment and total interest, or ROI. Exact, deterministic.