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Best royal APIs

Domain RDAP Information API

Company Data

This API provides comprehensive information about domains, including registration data, servers, statuses, important dates, and registrar details via RDAP.

Free 7-Day Trial

100% uptime 380ms avg MCP ready

UK Post Code API

Location & Mapping

This API will grant you access to Postcode Addresses File from the Royal Mail. Be able to make reverse geocoding in the UK just with a Post Code.

Free 7-Day Trial

100% uptime 468ms 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

Historical Metal Market API

Market Data & Trading

Historical Metal Market API provides instant and past pricing for precious and industrial metals. Supports integration with apps, tools, and financial software.

Free 7-Day Trial

100% uptime 264ms avg MCP ready

Retrieve Domain RDAP Data API

Company Data

Access comprehensive domain RDAP data effortlessly with this API for accurate ownership information.

Free 7-Day Trial

100% uptime 286ms avg MCP ready

Domain RDAP Information Fetcher API

Company Data

Effortlessly fetch detailed RDAP domain information, ensuring you stay informed about ownership and status.

Free 7-Day Trial

100% uptime 118ms avg MCP ready

Get Domain RDAP Content API

Company Data

Quickly retrieve RDAP content for any domain, providing vital insights into registration and ownership details.

Free 7-Day Trial

100% uptime 237ms avg MCP ready

Global Metals Rates API

Market Data & Trading

Global Metals Rates API delivers up-to-date and past metal prices like gold, silver, and copper—ideal for financial apps, dashboards, and market analysis.

Free 7-Day Trial

100% uptime 258ms avg MCP ready

Metal Price Tracker API

Market Data & Trading

Get accurate live and historical rates for gold, silver, copper, and others. A powerful API built for traders, analysts, and finance professionals.

Free 7-Day Trial

100% uptime 182ms avg MCP ready

Australia Rego Validator API

Automotive & Vehicle Data

The Australia Rego Validator API retrieves vehicle information using a registration number and state code, providing details such as the make, model, engine type, manufacturing year, and transmission.

Free 7-Day Trial

100% uptime 3,184ms avg MCP ready

Red Carpet Oscars API

Entertainment & Media

Explore red carpet highlights and celebrity fashion from Oscar events using our curated content API.

Free 7-Day Trial

100% uptime 55ms avg MCP ready

Domain RDAP Details Extract API

Company Data

Extract essential RDAP details about domains seamlessly with our powerful, user-friendly API.

Free 7-Day Trial

100% uptime 446ms avg MCP ready

Live Metal Quotes API

Market Data & Trading

Access metal prices anytime with this API—real-time and historical data for gold, silver, copper, and more. Simple setup, detailed responses.

Free 7-Day Trial

100% uptime 511ms avg MCP ready

Australia Rego Checker API

Automotive & Vehicle Data

The Australia Rego Checker API provides vehicle details based on a registration number and state code, returning data like make, model, engine, year, and transmission.

Free 7-Day Trial

100% uptime 4,679ms avg MCP ready

Companies House Enrichment API

Company Data

Enrich any UK registered company with a single API call. Returns profile, officers, filings, PSCs and risk flags from the official Companies House register. MCP-compatible — ready for use in AI agent workflows. Official data source, zero scraping.

Free 7-Day Trial

100% uptime 1,055ms avg MCP ready

Rajkot Platinum Prices API

Finance & Payments

This API provides real-time and historical platinum prices specific to Rajkot, India. Users can retrieve prices by grams, access current and previous day’s rates, and analyze price trends over the past 10 days. Prices are in Indian rupees.

Free 7-Day Trial

100% uptime 3,728ms avg MCP ready

Historical British Pound Prices API

Finance & Payments

This API provides historical pricing data for the British pound, enabling developers and analysts to access, filter, and analyze past currency performance with ease.

Free 7-Day Trial

100% uptime 4,937ms avg MCP ready

Precious Metals Prices API

Market Data & Trading

Track global metal prices in real-time or historically with this API. Supports key metals like gold, silver, platinum, and more. Reliable and easy to integrate.

Free 7-Day Trial