What is Application Programming Interface (API)?
An Application Programming Interface (API) is a set of rules and protocols that allow different software systems to communicate and interact with each other programmatically.
Table of Contents
Full Definition
APIs enable SaaS platforms to expose functionality and data to external applications.
They support integrations, automation, and custom extensions.
APIs typically use REST or GraphQL protocols and require authentication and versioning for security and stability.
Examples
Enables system interoperability
Supports integrations and automation
Allows extensibility and customization
Benefits
Requires proper documentation
Needs secure authentication mechanisms
Versioning complexity for backward compatibility
Common Mistakes
Maintain clear and updated API docs.
Implement robust security measures.
Conclusion
APIs are foundational to modern SaaS ecosystems, enabling flexible connectivity and extensibility.