Software Alternatives, Accelerators & Startups

FastAPI VS Mendix

Compare FastAPI VS Mendix and see what are their differences

FastAPI logo FastAPI

FastAPI is an Open Source, modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints.

Mendix logo Mendix

Mendix is the fastest and easiest low-code platform used by businesses to create and continuously improve mobile and web apps at scale.
  • FastAPI Landing page
    Landing page //
    2023-05-14
  • Mendix Landing page
    Landing page //
    2023-09-14

FastAPI

Pricing URL
-
$ Details
free
Release Date
-
Startup details
Country
Colombia

Mendix

Website
mendix.com
$ Details
Release Date
2005 January
Startup details
Country
United States
City
Boston
Founder(s)
Derckjan Kruit
Employees
250 - 499

FastAPI features and specs

  • High Performance
    Built on Starlette and Pydantic, FastAPI is one of the fastest frameworks for Python, providing high performance due to its asynchronous request handling.
  • Automatic Interactive API Documentation
    FastAPI automatically generates interactive API documentation via Swagger UI and ReDoc, which are very helpful for development and testing.
  • Type Checking and Validation
    With Pydantic models and Python type hints, FastAPI provides automatic data validation and type checking, reducing the chance of runtime errors.
  • Ease of Use
    Its syntax and design make it easy to learn for Python developers, offering a smooth development experience while reducing boilerplate code.
  • Asynchronous Support
    FastAPI supports asynchronous programming, allowing for better performance for I/O-bound operations, making it optimal for handling many simultaneous connections.
  • Extensive Documentation
    It has comprehensive and well-structured documentation, which is very useful for both beginners and advanced users.
  • Community and Ecosystem
    FastAPI has a growing community and ecosystem, with many plugins and integrations available to extend its functionality.

Possible disadvantages of FastAPI

  • Learning Curve for Asynchronous Programming
    Although FastAPI itself is easy to learn, grasping the concepts of asynchronous programming in Python can be challenging for beginners.
  • Complex Dependencies
    Using Pydantic for advanced validation can make the request models complex, requiring a deeper understanding of Pydantic and its functionalities.
  • Early Stage Libraries
    Some third-party libraries and extensions specifically tailored for FastAPI might still be in early stages of development and lack long-term stability.
  • Limited Real-World Examples
    Although the documentation is extensive, there might be limited real-world examples and case studies readily available compared to more mature frameworks.
  • Deployment Complexity
    Deploying FastAPI applications might be more complex in comparison to traditional synchronous frameworks, mainly due to the need for asynchronous server setups.

Mendix features and specs

  • Rapid Development
    Mendix allows for quick application development with its low-code platform, reducing time to market and enabling faster project completion.
  • Ease of Use
    The platform is designed to be user-friendly, allowing even non-developers to create applications using visual modeling tools.
  • Scalability
    Mendix applications can scale easily to accommodate growing user bases and data loads, making it suitable for enterprises of all sizes.
  • Integration Capabilities
    Mendix offers robust integration options with various systems and APIs, ensuring seamless data flow between applications and existing systems.
  • Community and Support
    The Mendix community is active and supportive, providing a wealth of resources, documentation, and forums for troubleshooting and learning.
  • Flexibility
    The platform supports a wide variety of applications across multiple industries, providing solutions that can be tailored to specific business needs.

Possible disadvantages of Mendix

  • Cost
    Mendix can be expensive, especially for smaller businesses or startups. Licensing and subscription fees can add up quickly.
  • Learning Curve
    Despite its user-friendly interface, there is still a learning curve associated with mastering the platformโ€™s more advanced features.
  • Performance
    Some users have reported performance issues, particularly with highly complex applications or when scaling rapidly.
  • Vendor Lock-In
    Using Mendix can lead to vendor lock-in, making it difficult to switch to another platform without significant redevelopment.
  • Customization Limits
    While Mendix is flexible, there are limitations to how much one can customize, particularly when it comes to very niche requirements.
  • Dependency on Internet
    As a cloud-based platform, Mendix requires a stable internet connection, which can be a limitation in environments with unreliable connectivity.

Analysis of FastAPI

Overall verdict

  • FastAPI is widely regarded as a good choice, especially for applications that require high performance, scalability, and modern Python features. It is suitable for both simple and complex projects, making it a versatile tool in the web development ecosystem.

Why this product is good

  • FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.7+ based on standard Python type hints. It is built on top of Starlette for web framework capabilities and Pydantic for data validation and settings management. FastAPI is known for its excellent performance, automatic generation of interactive API documentation (with Swagger and Redoc), and support for asynchronous programming. Developers appreciate its ease of use, detailed documentation, and helpful error messages.

Recommended for

  • Developers building RESTful APIs
  • Teams looking for a high-performance ASGI-based web framework
  • Projects that require asynchronous programming capabilities
  • Applications needing automatic generation of interactive API documentation
  • Python developers who prefer utilizing type hints for code clarity and validation

FastAPI videos

FastAPI from the ground up

More videos:

  • Tutorial - 30 Days of Python - Day 14 - Web App with Flask, FastAPI, ngrok, and Invictify - Python TUTORIAL
  • Review - [PT] Python - API com FastAPI - Chat | twitch.tv/codeshow

Mendix videos

What Is Mendix

Category Popularity

0-100% (relative to FastAPI and Mendix)
Developer Tools
77 77%
23% 23
API Tools
100 100%
0% 0
Project Management
0 0%
100% 100
Web Frameworks
100 100%
0% 0

User comments

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Reviews

These are some of the external sources and on-site user reviews we've used to compare FastAPI and Mendix

FastAPI Reviews

  1. Kurslog team
    ยท Working at Kurslog ยท

    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 combination of Pydantic for data validation and built-in async support keeps our shared codebase clean, strictly typed, and reliable. But the biggest highlight for our cross-functional team is the automatic generation of interactive OpenAPI (Swagger) documentation. Our frontend and mobile developers no longer have to wait for backend engineers to manually update API docs; everything stays perfectly in sync automatically. It has drastically improved our team's communication and delivery speed.

    ๐Ÿ Competitors: Django, Flask, ExpressJS, Nest.js, Spring Boot
    ๐Ÿ‘ Pros:    Blazing fast performance (on par with nodejs and go)|Native asynchronous support out of the box|Automatic, interactive documentation generation (swagger/redoc)|Strict typing and data validation with pydantic
    ๐Ÿ‘Ž Cons:    Smaller plug-and-play ecosystem compared to older frameworks like django|Requires our architects to design the project structure and directory layout from scratch

The 20 Best Laravel Alternatives for Web Development
FastAPI, as the name hints, is a swift mover. Built on Starlette, itโ€™s all about speed and performance with Python. Crafting API masterpieces at the speed of light, now thatโ€™s something.
25 Python Frameworks to Master
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 frameworks like Django.
Source: kinsta.com
3 Web Frameworks to Use With Python
myapp/ is the main directory of your FastAPI application. It includes all the other files and directories needed for the application.static/ is a directory used to store static assets such as CSS, JavaScript, and image files. These assets are served directly by the web server and are typically used to add visual styling and interactivity to the application.css/, img/, js/...
Best Alternatives to FastAPI App Free for Windows (2021)
FastAPI Alternative โ€“ So many alternatives app to FastAPI that you must to know out there. And, looking for an ideal software was not easy matter. Lucky you, at this page you can find the best replacement app for FastAPI. So what you are waiting for, get the latest FastAPI alternative app for Windows 10 from this page.
Top 5 Back-End Frameworks to Consider for Web Development in 2021
FastAPI is a modern, fast (high-performance), web framework for building APIs with Python 3.6+ based on standard Python type hints. It is fast when compared to other major Python frameworks like Flask and Django. FastAPI gives great flexibility to fulfill businessesโ€™ API needs in todayโ€™s evolving world.

Mendix Reviews

Low-Code Platforms Compared: Enterprise Guide for Developers
Mendix: Collaborative development environment with flexible deployment and strong AI-assisted development through Maia, plus growing agent capabilities. Strong for enterprise apps, but loosely coupled orchestration may require workarounds.
Source: rierino.com
Top 10 Microsoft Power Apps Alternatives and Competitors 2024
Strengths: A leader in enterprise low-code development, Mendix caters to complex applications with a focus on scalability and governance. It offers advanced features like API management, cloud deployment options, and robust security protocols. Mendix is ideal for organizations that require a secure and scalable platform for building mission-critical applications.
Source: medium.com
10 Best Low-Code Development Platforms in 2020
Price: Mendix prices are based on the number of app users. Its Community version is free. Mendix offers three more plans i.e. Single App (Starts at $1875 per month), Pro (Starts at $5375 per month), and Enterprise (Starts at $7825 per month).
The 11 Best Low-Code Development Platforms
Mendix is well-liked by Gartner and Forrester. It is a recognized leader in the space. The user rating is typically 4.5 stars.
Source: www.xplenty.com
3 easy app makers you can start on today
Independent low-code platforms: The likes of Appian, Mendix, OutSystems and Quick Base allow you to build sophisticated enterprise-grade apps that can connect with a wide range of third-party applications and data sources.

Social recommendations and mentions

Based on our record, FastAPI seems to be a lot more popular than Mendix. While we know about 311 links to FastAPI, we've tracked only 1 mention of Mendix. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

FastAPI mentions (311)

  • Shipping Sovereign SDK: Cryptographic Forensic Receipts and the End of the AI "Prose Tax"
    The Sovereign SDK is a Python-native framework designed to minimize prose overhead while generating ironclad, cryptographic execution receipts for AI agents, complete with drop-in FastAPI/Starlette ASGI middleware. - Source: dev.to / about 1 month ago
  • 5-Minute AI Jobs and Closed Tabs โ€” Why We Built Replay-Then-Tail SSE
    We had a feature in production where a single user request could run for five-plus minutes โ€” fetch documents, chunk them, hit an LLM per chunk, synthesize a final answer. We did the obvious thing first: a FastAPI handler that ran the pipeline and streamed progress back to the browser over Server-Sent Events. - Source: dev.to / 2 months ago
  • FastAPI With LangChain and MongoDB
    FastAPI is a Python framework for building APIs quickly, efficiently, and with very little code. - Source: dev.to / 3 months ago
  • I Built A " CrowdSense AI " : A Scalable, Context-Aware Platform for Smart Stadiums
    Backend: Python-based FastAPI for its asynchronous I/O capabilities and rapid JSON serialization. - Source: dev.to / 3 months ago
  • Async PyMongo in FastAPI
    FastAPI is a high-performance web framework that is production-ready and designed for building APIs in python, with roots embedded in asynchronous programming. It embraces Pythonโ€™s asyncio model as its core principle rather than treating it as optional. This design choice gives FastAPI leverage for I/O bound workloads such as db access, external API calls and real-time data streaming. - Source: dev.to / 3 months ago
View more

Mendix mentions (1)

  • Mendix Basic plan and alternatives
    The free dev-accounts that are mentioned on the website are referring to making accounts on mendix.com and developing in studio or studio pro. Those accounts are the 'dev accounts', we don't charge for that. If you create an dev account you have access to the exact same development resources as I do as a Mendix employee (or paying customer). If you as the developer want a named user account on your Prod... Source: about 5 years ago

What are some alternatives?

When comparing FastAPI and Mendix, you can also consider the following products

Flask - a microframework for Python based on Werkzeug, Jinja 2 and good intentions.

OutSystems - Build Enterprise-Grade Apps Fast.

ExpressJS - Sinatra inspired web development framework for node.js -- insanely fast, flexible, and simple

Zoho Creator - Zoho Creator is a low-code application development platform that helps you build a custom, mobile-ready apps to run your business.

Django - The Web framework for perfectionists with deadlines

Appian - See how Appian, leading provider of modern low-code and BPM software solutions, has helped transform the businesses of over 3.5 million users worldwide.