Software Alternatives, Accelerators & Startups

FastAPI VS LoopBack.io

Compare FastAPI VS LoopBack.io 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.

LoopBack.io logo LoopBack.io

A highly extensible Node.js and TypeScript framework for building APIs and microservices.
  • FastAPI Landing page
    Landing page //
    2023-05-14
  • LoopBack.io Landing page
    Landing page //
    2022-06-29

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.

LoopBack.io features and specs

  • Component-Based Architecture
    LoopBack is designed with a modular architecture, making it easy to extend and organize code efficiently. It allows developers to use predefined components or create their own to add specific functionalities.
  • OpenAPI and GraphQL Support
    LoopBack provides robust support for OpenAPI and GraphQL, enabling the creation of APIs that can easily interact with different clients and meet diverse integration requirements.
  • Strong Data Source Connectivity
    LoopBack offers a rich set of connectors that support multiple databases and services, including SQL and NoSQL databases, making it easier to connect and work with different data sources.
  • Built-in Authentication and Authorization
    LoopBack includes features for handling authentication and authorization, helping developers secure their applications more effectively with less effort.
  • Developer Community and Documentation
    LoopBack has an active community and comprehensive documentation that provides examples and guides, helping developers to get started quickly and resolve issues efficiently.

Possible disadvantages of LoopBack.io

  • Steep Learning Curve
    The complexity of LoopBack's architecture and features may result in a steep learning curve for new developers, especially those not familiar with its concepts or TypeScript.
  • Performance Overhead
    The extensive functionality and abstraction layers in LoopBack can lead to performance overhead, which might not be ideal for highly optimized applications.
  • Limited Real-Time Capabilities
    LoopBack may not provide as robust support for real-time features out-of-the-box compared to some other frameworks focused on real-time communication.
  • Migration Challenges
    Migrating from previous versions of LoopBack can be complex and time-consuming, as it may require significant adjustments to the codebase to align with the latest version's standards and practices.

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

LoopBack.io videos

LoopBack.io Build REST APIs in under 2.5 mins

Category Popularity

0-100% (relative to FastAPI and LoopBack.io)
Developer Tools
93 93%
7% 7
Web Frameworks
90 90%
10% 10
API Tools
100 100%
0% 0
Backend As A Service
0 0%
100% 100

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 LoopBack.io

FastAPI Reviews

The 20 Best Laravel Alternatives for Web Development
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.
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 – 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 businesses’ API needs in today’s evolving world.

LoopBack.io Reviews

Top 14 Node.JS Frameworks: Which Will Rule in 2020?
Moreover, it can permit a user to build a server API, which maps to another server. Furthermore, Loopback.JS assists native browser and mobile SDKs for different clients like Browser, iOS, and Android/Java JavaScript (Angular).

Social recommendations and mentions

Based on our record, FastAPI seems to be a lot more popular than LoopBack.io. While we know about 286 links to FastAPI, we've tracked only 6 mentions of LoopBack.io. 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 (286)

  • Building Weather & History Story Cards with Python and FastAPI
    By the end of this tutorial, you’ll see how I used FastAPI and Jinja2 to turn raw JSON into a dynamic timeline of weather and history that feels informative and fun. - Source: dev.to / 5 days ago
  • Build Code-RAGent, an agent for your codebase
    The only thing left to do then was to build something that could showcase the power of code ingestion within a vector database, and it immediately clicked in my mind: "Why don't I ingest my entire codebase of solved Go exercises from Exercism?" That's how I created Code-RAGent, your friendly coding assistant based on your personal codebases and grounded in web search. It is built on top of GPT-4.1, powered by... - Source: dev.to / 6 days ago
  • Understanding the Relation Between FastAPI and Uvicorn
    FastAPI and Uvicorn are two essential building blocks when developing high-performance Python APIs. - Source: dev.to / 7 days ago
  • Python: Why Quart Might Be the Better Choice over FastAPI
    Python's diverse ecosystem of web frameworks offers developers a wide range of choices for building robust and efficient applications. In the realm of asynchronous frameworks, Quart and FastAPI have emerged as popular options. While FastAPI has gained considerable attention for its speed and developer-friendly features, Quart presents a compelling alternative, especially for those already familiar with the Flask... - Source: dev.to / 17 days ago
  • Partner Models for Payments: How Rapyd Powers Partner Payment Solutions
    Let's look at how to use Rapyd to build a simple system where you can onboard merchants, add products, receive payments, and receive payouts, all powered by Rapyd's API. To fully integrate this system, businesses can sign up as a Rapyd partner to access additional capabilities for managing merchant transactions. In this tutorial, you'll see how to use the FastAPI framework in Python to create endpoints for each... - Source: dev.to / 28 days ago
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LoopBack.io mentions (6)

  • Mastering Node.js
    Loopback.io is a powerful Node.js framework for creating APIs and easily connecting to backend data sources. It has an Angular.js SDK and provides SDKs for iOS and Android. - Source: dev.to / 10 months ago
  • Looking for resources to learn backend only stuff with JavaScript
    Backend is usually an API you design, can simply use Rails for this, basic Express.js or some framework like https://loopback.io/ if you want javascript otherwise you want 'system design' https://github.com/donnemartin/system-design-primer for all the load balancers/dbms if that's what you mean. Source: about 2 years ago
  • Node JS Microservice Frameworks for Developing Scalable Web Apps.
    LoopBack – Highly Extensible Node.js and TypeScript framework. Source: about 2 years ago
  • A minimalist backend REST API in NodeJS
    We deliberately decided not to use "kitchen-sink included" frameworks such as Laravel, Django, Loopback or Nest.js to keep things simple. - Source: dev.to / over 2 years ago
  • Coming from Scala
    I'd say check out https://loopback.io. Source: almost 3 years ago
View more

What are some alternatives?

When comparing FastAPI and LoopBack.io, you can also consider the following products

Django - The Web framework for perfectionists with deadlines

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

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

Adonis JS - AdonisJs is a Node.js web framework with breath of fresh air and drizzle of elegant syntax on top of it

Nest.js - A progressive Node.js framework for building efficient, reliable and scalable server-side applications.

Laravel - A PHP Framework For Web Artisans