Popular APIs AI & Machine Learning Automotive & Vehicle Data Commerce & eCommerce Communication & Messaging Company Data Data & Analytics Entertainment & Media Finance & Payments Food & Nutrition Health & Fitness Legal & Compliance Location & Mapping Market Data & Trading Music & Audio Natural Language Processing (NLP) News & Events Real Estate & Housing Science & Education Search & Discovery Security & Cybersecurity Social Media & Networking Sports & Gaming Sustainability & Green Tech Tools & Utilities Travel & Transportation Visual Recognition & Imaging Voice & Speech Technology Weather & Environment

city rankings SSL Certificate Verification Real-time Alerts Event Information Web Page Analysis Domain Lookup Facial Landmark Detection SEC Filings Date Management Governed Risk Analysis Security Header Analysis HTTPS Verification Event Family Risk User Privacy Data Residency Domain Status Face Analysis Domain Verification Rabbinical Notes Live RSI

More Tags

Best observance details APIs

Holiday Calendar API

News & Events

Access accurate public holiday data by country and year, including local names, holiday types, dates, regional coverage, and observance details.

Free 7-Day Trial

100% uptime 73ms avg MCP ready

SEC Event Intelligence API

Company Data

Normalized SEC EDGAR filing-change, watchlist, company lookup, insider filing, and filing-summary data for automated monitoring workflows.

Free 7-Day Trial

100% uptime 169ms avg MCP ready

Geographical Weather API

Weather & Environment

The Geographical Weather API offers forecasts, current observations, and alerts tailored to specific geographic coordinates for accurate weather information.

Free 7-Day Trial

100% uptime 208ms avg MCP ready

Cassandra Risk - Governed Macro-Fragility Signal API

Data & Analytics

Governed macro-fragility signal API with live RSI, event-family risk snapshots, and a three-paper DOI-stamped research foundation.

Free 7-Day Trial

100% uptime 188ms avg MCP ready

Extreme Weather Watch API

Weather & Environment

Stay informed with real-time, location-based weather warnings from official agencies worldwide. Perfect for ensuring safety during severe conditions.

Free 7-Day Trial

100% uptime 162ms avg MCP ready

Accessibility Audit API

Legal & Compliance

Run automated WCAG accessibility audits on any web page. Detects violations, warnings, and best practices for ADA and EAA compliance.

Free 7-Day Trial

100% uptime 192ms avg MCP ready

Digital Product Passport API

Legal & Compliance

EU-Compliance: Digital Product Passport (DPP) Immutable QR Engine. Guaranteed 10-year URL persistence for Textile and Battery ESPR mandates (March 2026). High-error-correction QR generation optimized for industrial label printing. Frankfurt (EU-Central) data residency.

Free 7-Day Trial

100% uptime 524ms avg MCP ready

SSL Verification Details API

Security & Cybersecurity

Get comprehensive SSL verification details with our user-friendly API, enhancing security checks for websites instantly.

Free 7-Day Trial

100% uptime 559ms avg MCP ready

Public Holiday Checker API

News & Events

Check and retrieve holiday data from around the world with ease and accuracy.

Free 7-Day Trial

100% uptime 157ms avg MCP ready

Worldwide Holiday Schedule API

News & Events

Access a detailed worldwide holiday calendar to enhance your applications.

Free 7-Day Trial

100% uptime 76ms avg MCP ready

Retrieve Worldwide Holiday Information API

Travel & Transportation

Seamlessly retrieve worldwide holiday information for planning and scheduling.

Free 7-Day Trial

100% uptime 81ms avg MCP ready

Retrieve Domain Registration Details API

Company Data

Obtain detailed domain registration details seamlessly to verify ownership and ensure secure transactions.

Free 7-Day Trial

100% uptime 19ms avg MCP ready

Business-Day and SLA Calculator API

Tools & Utilities

Calculates business days, SLA due dates, holiday-aware deadlines, skipped weekends and holidays, business hours, and business-time durations.

Free 7-Day Trial

100% uptime 3,016ms avg MCP ready

Localization QA API

Natural Language Processing (NLP)

Checks translated JSON, localization strings, placeholders, ICU messages, missing keys, extra keys, empty values, untranslated values, and multi-locale consistency.

Free 7-Day Trial

100% uptime 4,137ms avg MCP ready

Domain Security Audit API

Security & Cybersecurity

Checks a domain’s public DNS, HTTPS, TLS, certificate, CAA, DNSSEC, and security-header setup.

Free 7-Day Trial

100% uptime 1,811ms avg MCP ready

Retrieve Holiday Calendar Information API

Tools & Utilities

Streamline your applications by retrieving accurate holiday calendar information effortlessly with our Retrieve Holiday Calendar Information API.

Free 7-Day Trial

100% uptime MCP ready

Holiday Events Data Fetch API

News & Events

Effortlessly access a comprehensive database of global holiday events and dates with our Holiday Events Data Fetch API.

Free 7-Day Trial

100% uptime MCP ready

Holiday Schedule API

Data & Analytics

Quickly extract vital holiday schedule data for planning and analytics using our Holiday Schedule API.

Free 7-Day Trial

100% uptime MCP ready

Web Presence Analyzer API

Data & Analytics

Analyze and optimize domain records to improve your web presence with this essential API.

Free 7-Day Trial

100% uptime 900ms avg MCP ready

Jewish Content Moderator API

Legal & Compliance

AI-powered Jewish content moderation API. Analyzes text across 7 Halachic compliance categories using Torah, Talmud, and Shulchan Aruch. Returns compliance score, severity level, and rabbinical notes.

Free 7-Day Trial

100% uptime 1,989ms avg MCP ready

Smart Urban Trends Observation API

Location & Mapping

Stay ahead of the curve with the Smart Urban Trends Observation API, monitoring innovative trends in city living and planning.

Free 7-Day Trial

100% uptime 12,882ms avg MCP ready

Facial Landmarks API

Visual Recognition & Imaging

Accurately detect and analyze facial landmarks with our Facial Landmarks Detection API, supporting up to 201 key points for precise facial feature and contour identification.