Simple definition
One API allows an application to request data or action from another application without using its graphical interface.
Technical definition
Application Programming Interface describes entry points, settings, formats and authentication methods. API web often use HTTP, JSON, REST or GraphQL.
What is it used for ?
Automate tasks and connect services, applications or websites.
Practical example
A tool recovers the list of users Microsoft 365 through Microsoft Graph API.
Common issues
- Key API Exposed
- Rights too broad
- Limit of exceeded requests
- Version of theAPI amended
Related terms
HTTP · HTTPS · PowerShell · PaaS · Microsoft 365
Key takeaway: This entry explains the general operation of the term. Exact settings may vary depending on software, vendors and environments.