Explore APIs

Recursively sort object keys; return canonical compact JSON. Offline. Amp port.

IP/CIDR intel via RIR RDAP + DB-IP Lite country (CC BY 4.0). No MaxMind.

Distance/bearing/midpoint/geohash/point-in-polygon. Pure math — NO geocoding.

8 Things That Tripped Me Up Implementing x402

Monitor recent official Israeli company-registry changes for an exact nine-digit company number. Returns filing and status-change events newest first, with dates, deterministic categories, source URLs, and checked_at. Use for counterparty monitoring, supplier due diligence, onboarding refreshes, corporate-event alerts, and registry change detection. Coverage is approximately one year.

List a country's holidays for a calendar year (optionally by state/region, language and type).

Perform the chant: 'All hail the Magic Conch!' The club responds: 'Hooray for the magic conches!' That is all this does, and it is enough.

Fetch one public HTML page → Markdown. robots.txt + SSRF guard + 1 MB / 5 s caps (amp port). Refusals 400 charged:false; fetch failures 502.

Parse markdown: outline, frontmatter, tables, fences, links, lists. Optional polite URL fetch.

Demo endpoint for x402 resource discovery

Work tCO2e Accounting (CDP-settled mirror) — ecological accounting guidance from the production settle-to-retire mapping for a work type. NOT a credit, NOT a retirement.

DryScout01 Hello by RunMyData: paid x402 connectivity check on Base mainnet ($0.001 USDC). Returns {"status":"ok"}.

Is a vendor down right now? Current outage status for one SaaS vendor. $0.01 USDC on Base per call. Returns status, active-incident summary, last-checked time, source URL and freshness fields, read live from PulseWatch. Unknown vendors return 404, not charged. Don't use this for past incidents; use /v1/incidents.

Check a public URL for meaningful changes and freshness.

U.S. County Business Patterns — number of businesses, employees, and payroll by industry (NAICS) and state.

Language detection. Detect the language of a text. POST /detect {"text":"..."}

IPOSignal Sentiment Score — proprietary daily signal measuring investor appetite for new listings

Coin price in USD

GatiFlow topic signals: the latest collection's market and hiring signals on one topic, each with its sources, mention count and confidence score

Grade TV: the TV schedule of one channel for a day (programs, times and synopses), paid per call

Currency rate conversion

No accidental wildcard CORS audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

QR Code Generator qr: Encode one text as a QR Code (ISO/IEC 18004, versions 1-40, ECC L/M/Q/H) and return it as SVG, PNG or a JSON matrix.

Add-to-cart action audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

CMS cache policy audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

Abbreviation expansion audit fetches current public evidence from the supplied target and evaluates the documented criterion. It returns the observation, threshold, verdict, exact evidence source, limitations and a mode-specific action. The check is passive: no login attempt, payload injection, exploit, purchase, form submission or load test is performed.

Given an internet address (IP) or a network identification number (ASN), this tool returns who operates that piece of the internet: the network number, the owner's name, the country it's registered in, the regional registry that manages it, and the exact address range it belongs to.

Locus public pay-per-use API

Deterministic JSON repair + coerce to caller schema. Diff of changes. Fail closed (no charge) if still invalid.

DOI metadata via Crossref (primary) + OpenAlex fallback. Title/authors/year/venue/URL.