
Postman
Insomnia REST
Hoppscotch
Bruno
Requestly
RapidAPI for Mac
soapUI
Rest API client for VS Code, lightweight Postman alternative
Which is more popular?
Based on our record, FastAPI seems to be more popular. It has been mentioned 315 times since March 2021.
Website, pricing, platforms and company facts side by side.
|
|
|
|
|---|---|---|
| Website | thunderclient.com | fastapi.tiangolo.com |
| Pricing | — | |
| Company | — | Startup from Colombia |
| Listed in |
What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


Overall verdict
Why this product is good
Recommended for
Overall verdict
Why this product is good
Recommended for
Walkthroughs and reviews on video.
Thunder Client - API testing right inside VSCode
More videos
FastAPI from the ground up
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Thunder Client and FastAPI. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


This free, feature-rich extension integrates seamlessly with VSCode, making it ideal for developers who prefer a unified environment. Thunder Client offers collection management, environment variables, and basic...
Thunder Client is a Vscode Postman alternative that runs as a Visual Studio Code extension (not open source). Its design focuses on simple and efficient HTTP clients while constructing or connecting with APIs. Thunder...
Thunder Client is a VS Code extension focusing on being a simple and efficient HTTP client while building or integrating with APIs. It supports collections as a way to group relevant requests. Moreover, ThunderClient...
When our backend team needs to build services for data parsing, aggregators, or high-load APIs, FastAPI is our absolute go-to choice. It completely lives up to its name-development speed is outstanding. The...
FastAPI, as the name hints, is a swift mover. Built on Starlette, it’s all about speed and performance with Python. Crafting API masterpieces at the speed of light, now that’s something.
Since its release in 2018, it has rapidly gained popularity due to its great performance and simplicity. In fact, according to PyPi Stats, FastAPI has over 9 million monthly downloads, surpassing even full-stack...
Recommendations tracked on public social media and blogs since March 2021.


Tracking Thunder Client since Mar 2021.
Using FastAPI, FastStream, and dishka lets us follow Clean Architecture principles and almost avoid leaky abstractions. The prototype also used Pydantic and SQLAlchemy. I do not focus on them because these technologies are already... - Source: dev.to / 8 days ago
If your FastAPI app talks to a database through SQLAlchemy, chances are high you will meet it sooner or later. Not on your machine, of course. It shows up in production, after a few quiet hours, under load. And the reflex is always the... - Source: dev.to / 14 days ago
API: FastAPI with async SQLAlchemy, PostgreSQL 17 for data, Redis for caching and rate limits. The cache is invalidated by a single version counter bumped on every write: no fine-grained purging to manage. - Source: dev.to / 23 days ago
When comparing Thunder Client and FastAPI, you can also consider the following products.

The Collaboration Platform for API Development
Compare Postman to Thunder Client or FastAPI:

a microframework for Python based on Werkzeug, Jinja 2 and good intentions.
Compare Flask to Thunder Client or FastAPI:

Design, debug, test, and mock APIs locally, on Git, or cloud. Build better APIs collaboratively for the most popular protocols with a dev‑friendly UI, built-in automation, and an extensible plugin ecosystem.
Compare Insomnia REST to Thunder Client or FastAPI:

Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple
Compare ExpressJS to Thunder Client or FastAPI:


The Web framework for perfectionists with deadlines
Compare Django to Thunder Client or FastAPI: