# API Integration Test

An API integration test verifies that a system can reliably exchange data or actions with another service through its interface.

## Why it matters

An agent may produce a correct tool request that still fails because an API schema, authentication rule, rate limit, or upstream behavior changed. Integration tests verify the real boundary between systems and should cover success, failure, timeout, and permission cases.

## Example

A calendar-agent test uses a sandbox account to confirm that creating, updating, and cancelling a meeting returns the expected IDs and does not modify calendars outside the approved workspace.

## FAQ

### What is API Integration Test in simple terms?

An API integration test verifies that a system can reliably exchange data or actions with another service through its interface.

### Why does API Integration Test matter for teams using AI?

An agent may produce a correct tool request that still fails because an API schema, authentication rule, rate limit, or upstream behavior changed. Integration tests verify the real boundary between systems and should cover success, failure, timeout, and permission cases.

### What is a practical example of API Integration Test?

A calendar-agent test uses a sandbox account to confirm that creating, updating, and cancelling a meeting returns the expected IDs and does not modify calendars outside the approved workspace.


Source: https://www.luffy.so/ai-glossary/api-integration-test

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