Email, chat, SMS and notification delivery. Most of these need the operator’s own account or key before anything is sent.
Grade a domain's email authentication A-F: SPF (lookup count, all-qualifier, duplicates), DMARC policy and reporting, MTA-STS mode, BIMI. Use before sending campaigns or to assess spoofing risk of a vendor's domain.
Find personally identifiable information in a text blob: emails, phone numbers, credit cards (Luhn-validated), IBANs (mod-97 validated), IPv4/IPv6 addresses, US SSNs and JWTs. Returns every match with its type and charac...
Compute the astronomical Julian Date (JD, fractional, epoch noon 1 Jan 4713 BC) and Modified Julian Date (MJD = JD − 2400000.5) of a UTC instant. Unlike `calendar`'s integer Julian Day Number, this carries the time-of-da...
Return the input text with every detected PII span replaced. `mode` controls the replacement: "label" (default) → `[EMAIL]`; "mask" → the value covered with a mask character; "hash" → `[EMAIL:1a2b3c4d]`, a stable per-val...
Upcoming fixtures and the game schedule for a major sports league, normalized to one cited JSON. Give a league such as mlb, nhl, nfl, nba or epl and an optional date, and get each scheduled game with both teams, start ti...
Check domain DNS, SPF, DMARC, DKIM and TLS; returns findings. DMARC uses the RFC 9989 tree walk. Heuristic, not an audit. Use when an agent must check a domain's DNS records, email authentication or TLS setup.
Domain Health Check API. Check domain DNS, MX, SPF, DMARC, and email configuration health and receive a structured JSON score with issues and recommendations. Useful for agents, developers, email deliverability checks, d...
Email address check for one address: RFC 5322 syntax, MX records (null MX noted), SPF and DMARC records over DNS, role-account flag (info@, admin@ and similar) and a disposable-domain match. No SMTP connection is made, s...
Validates an EU VAT number against the European Commission's VIES service: registered or not, with the registered company name and address where the member state shares them. Checks the number's format per country first....
Offline phone validate (E.164 + country calling-code / national length). Structure only — not HLR/carrier/assigned. Accepts +E.164, 00…, or national+country=. Path alias /phone/{phone}. Example: {phone:"+447911123456"} o...
Eine bereinigte DATE-Wiederholungsregel tatsaechlich zu erwarteten Terminen expandieren.
Aus gelieferten anonymen Veranstaltungsrevisionen die massgebliche Sequenz und den Zeitstand bestimmen.
Verschiebung und Dauer einer Serienausnahme auf nachfolgende Ursprungsinstanzen fortschreiben.
Lokale Kalenderzeiten gegen ausdruecklich gelieferte Zeitzonenuebergaenge rueckwaerts zu UTC aufloesen.
An offline concurrent-runtime fixture author needs exact condition-wait release, notification membership, dynamic mutex binding and reacquire-before-return/cleanup state from an explicitly scheduled anonymous trace.
An offline CoAP observer fixture author needs whether each reordered24bit notification replaces the current anonymous representation, including wraparound, exact half-range and the128-second escape anchored only to the l...
An offline SMTP client test agent needs whether a normalized command ledger respects envelope sequencing and whether a rejected end-of-DATA still resets the transaction before the next MAIL, without sending mail or expos...
OPCUA Publish/ack/Republish/retransmission retention, keepalives and sequence rollover.
Recover D-Bus well-known-name ownership, replacement/queue flags and disconnect/release notifications before a supplied bus-name handover.
Reconstruct positive/negative working-day offsets and inclusive working-day counts from an explicit calendar.
iCalendar VALARM trigger and repeat schedule. Reconstruct the fully typed result and compare its complete canonical SHA256 claim.
Recover an anonymous slack cable model and its local geometric/tension state.
Checks whether a date is a business (working) day in any of 220+ countries and says why not: weekend or which public holiday. Returns the next and previous business days. Handles local weekends (Friday-Saturday in Saudi...
Email verification API: syntax check + DNS MX record lookup + disposable email detection. Validate email lists, catch bounces. $0.001/call, USDC on Base. No account or API key needed.