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Welcome to Semaphore

Semaphore provides a powerful API for accessing comprehensive company data across multiple jurisdictions. Our platform enables you to search, retrieve, and analyze company information efficiently and cost-effectively.

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Core Features

Company Search

Search companies by name or registration number across multiple jurisdictions with intelligent matching

Company Data Retrieval

Access detailed company information, UBO data, and official documents

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Getting Started

Here’s what you need to know to start using Semaphore’s API:
1

Authentication

Signup at app.getsemaphore.com to obtain your API key.
2

Credits

Purchase credits to access data points and documents - all requests are billed using our credit system.
3

Make Requests

Use our RESTful API endpoints to search and retrieve company data.

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Essential Resources

API Reference

Comprehensive API documentation with detailed endpoint specifications

Pricing & Caching

Understand our credit system and cost optimization features

Webhooks

Set up notifications for real-time updates and events