Access real-time company data with our API
The Data City API puts real-time company intelligence at your fingertips. Classify businesses, download data, and integrate insights into your workflows with ease.
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Using The Data City API
The Data City API is structured into three core areas, giving you flexible, real-time access to company data.
Companies
Access company and director details, verify businesses, classify companies, and download ML and Explore lists.
RTICs
Retrieve RTIC filters, generate filtered company lists, access RTIC summaries, and explain company classifications.
Search
Use our search API to find companies. Search by company number or keyword to quickly locate business information.
Technical breakdown
The Data City API is a RESTful JSON-based API, designed for seamless integration with your existing systems.
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Authentication – Secure access via a bearer token system.
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Data Updates – Automatically reflects platform updates, typically within an hour.
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Integration – Standard REST API, compatible with Python, R, C#, PHP, JavaScript, and more.
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Access – Retrieve company details, director information, RTIC classifications, and search results.
For a full list of endpoints, request parameters, and response examples, visit our API documentation.
Support and integration
Every API licence includes one day of technical support to assist with setup, answer questions, and provide example code in languages such as Python, R, C#, PHP, and JavaScript. For more complex data enrichment and CRM integration projects, we offer additional bespoke services.
Getting started
Our API is built for organisations needing direct, programmatic access to company classification and economic data. The standard package includes full API access, unlimited data downloads, and one day of technical support. Bespoke pricing is available for specific needs or large-scale use.
Frequently asked questions
- How much does API access cost?
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Pricing depends on your specific requirements, including data usage and integration needs. Contact our team to discuss bespoke pricing options. You can view our standard pricing on our website.
- Do I need a platform licence to access the API?
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We highly recommend having a platform licence alongside API access. The platform provides essential context for the data, allowing you to explore and refine searches before pulling data via the API.
- Does The Data City offer a free trial?
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We don’t offer a free trial of the API, but you can sign up for a free trial of our platform. This includes 7 days of access to explore our data, classifications, and company insights. You can also book a demo with one of our experts to see how the API works and discuss how it fits your needs.
- What are RTICs?
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The Data City’s Real-Time Industry Classifications™ (RTICs) are our AI-powered alternative to outdated SIC codes, offering a more accurate way to understand industries.
RTICs provide real-time insights into sectors like FinTech, CleanTech, and other emerging industries, ensuring you always have the latest, most relevant data.
With 400+ proprietary classifications developed alongside industry experts, RTICs help you map, track, and analyse today’s fast-evolving business landscape with confidence.
See our data in action
See the data for yourself. Track job demand, explore skills trends, and discover which companies are hiring, all in real time.