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API

Also called Application Programming Interface

What is API?

A set of rules and protocols that allows two completely separate software systems to communicate and share data with each other seamlessly.

An API acts as a digital intermediary. When a weather app needs current data, it doesn't calculate the weather itself; it sends a structured request to a meteorological service's API. The API processes the request and returns the specific data (usually in JSON format), abstracting away the complex backend systems.

How it relates to Orbit

Orbit’s server exposes REST endpoints and MCP tools that its desktop and mobile clients use. See MCP Tool Catalog for details.

When you would use it

You interact with APIs constantly to connect your application to external services, databases, or third-party features you don't want to build from scratch.

Common operations

  • Integrating Stripe's API to process credit card payments securely.
  • Querying OpenAI's API to generate AI responses within a custom application.

Related terms

Where this is taught