---
title: "Discussion on \"FastAPI Got Me an OpenAPI Spec Really... Fast\" | Hashnode"
description: "Discussion on \"FastAPI Got Me an OpenAPI Spec Really... Fast\". When API First isn’t an option, FastAPI can save teams time by allowing existing RESTful microservices to be fully documented and consumed via OpenAPI"
url: "https://hashnode.com/posts/fastapi-got-me-an-openapi-spec-really-fast/6626ac42bd351dc3ffbad7d3"
---

[Feed](https://hashnode.com/feed) /

Discussion

# [FastAPI Got Me an OpenAPI Spec Really... Fast](https://johnjvester.hashnode.dev/fastapi-got-me-an-openapi-spec-really-fast?utm_source=hashnode&utm_medium=feed)

When API First isn’t an option, FastAPI can save teams time by allowing existing RESTful microservices to be fully documented and consumed via OpenAPI

Apr 22, 2024 · 9 min read · johnjvester.hashnode.dev  
Read the article

-   [#fastapi](https://hashnode.com/tag/fastapi)
-   [#python](https://hashnode.com/tag/python)
-   [#heroku](https://hashnode.com/tag/heroku)
-   [#openapi](https://hashnode.com/tag/openapi)

## Written by

[John Vester](https://hashnode.com/@johnjvester)

@johnjvester

  
[View profile](https://hashnode.com/@johnjvester)

technologist | writer | musician | volunteer

Information Technology professional with 30+ years expertise in application design and architecture, feature development, project management, system administration and team supervision. Currently focusing on enterprise architecture/application design utilizing object-oriented programming languages and frameworks.

## Responses 1

Markdown supported · ⌘↵ to post

[Christian Ledermann](https://hashnode.com/@cleder)

[Apr 23, 2024](https://hashnode.com/posts/fastapi-got-me-an-openapi-spec-really-fast/6626ac42bd351dc3ffbad7d3/comment/662792bfb049054a13817a2c)

FastAPI works really well with schemathesis to test your API ([github.com/cleder/book-request](https://github.com/cleder/book-request) as an example)