# API Testing Techniques Including Smoke, Functional, and Unit Testing

DevFeed: [API Testing Techniques Including Smoke, Functional, and Unit Testing](<https://devfeed.tech/articles/i-struggled-with-api-testing-until-i-learned-these-53-techniques-17908.md>)

Original publisher: [Read original article](<https://newsletter.systemdesign.one/p/api-testing-types>)

Author: Neo Kim

Published: 2026-08-31T11:19:11Z

Content type: article

Language: en

Sources: [System Design Newsletter](<https://devfeed.tech/sources/system-design-newsletter.md>)

Topics: [API](<https://devfeed.tech/topics/api.md>), [Testing](<https://devfeed.tech/topics/testing.md>), [Unit testing](<https://devfeed.tech/topics/unit-testing.md>)

Tags: [api](<https://devfeed.tech/tags/api.md>), [api-testing](<https://devfeed.tech/tags/api-testing.md>), [techniques](<https://devfeed.tech/tags/techniques.md>), [testing](<https://devfeed.tech/tags/testing.md>), [unit-testing](<https://devfeed.tech/tags/unit-testing.md>)

## AI overview

This article covers API testing techniques, including smoke testing, functional testing, unit testing, and 22 other techniques.

## Source excerpt

#173: Part 1 - smoke testing, functional testing, unit testing, and 22 others.