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FastAPI VS Protocol Buffers

Compare FastAPI VS Protocol Buffers 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.

Protocol Buffers logo Protocol Buffers

A method for serializing and interchanging structured data.
  • FastAPI Landing page
    Landing page //
    2023-05-14
  • Protocol Buffers Landing page
    Landing page //
    2023-08-02

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.

Protocol Buffers features and specs

  • Efficiency
    Protocol Buffers are designed to be compact and efficient, using less space compared to other serialization formats like XML or JSON. This efficiency benefits both storage and network transmission.
  • Backward and Forward Compatibility
    Protocol Buffers support easy schema evolution. New fields can be added to your protocol without breaking existing deployed programs that are compiled with an older version of the protocol.
  • Performance
    They offer fast serialization and deserialization, which can significantly improve performance in applications where speed is critical.
  • Language Support
    Protocol Buffers are supported in multiple programming languages, making them flexible for use in diverse tech stacks and across different systems.
  • Type Safety
    With Protocol Buffers, schemas are strictly defined, which provides a level of type safety compared to text-based formats like JSON or XML.

Possible disadvantages of Protocol Buffers

  • Learning Curve
    The initial setup and understanding of Protocol Buffers can be complex for those who are not familiar with binary serialization formats.
  • Debugging Difficulty
    Because Protocol Buffers use a compact and binary format, debugging can be more challenging compared to human-readable formats like JSON or XML.
  • Limited Human Readability
    As a binary format, Protocol Buffers are not easily readable without decoding, which can complicate manual inspection of data during development or troubleshooting.
  • Third-Party Dependency
    Using Protocol Buffers often requires integrating additional libraries into your project, which can introduce dependencies that need to be maintained.
  • Tooling Overhead
    The use of Protocol Buffers requires a compilation step and the generation of code from .proto files, which adds complexity and build-time overhead.

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

Protocol Buffers videos

Protocol Buffers- A Banked Journey - Christopher Reeves

More videos:

  • Review - justforfunc #30: The Basics of Protocol Buffers
  • Review - Complete Introduction to Protocol Buffers 3 : How are Protocol Buffers used?

Category Popularity

0-100% (relative to FastAPI and Protocol Buffers)
Developer Tools
96 96%
4% 4
Configuration Management
0 0%
100% 100
API Tools
100 100%
0% 0
Web Servers
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 Protocol Buffers

FastAPI Reviews

  1. Kurslog team
    · Working at Kurslog ·

    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.

    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
    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, 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.

Protocol Buffers Reviews

We have no reviews of Protocol Buffers yet.
Be the first one to post

Social recommendations and mentions

Based on our record, FastAPI seems to be a lot more popular than Protocol Buffers. While we know about 312 links to FastAPI, we've tracked only 30 mentions of Protocol Buffers. 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 (312)

  • I Built My First Machine Learning API — Here's Everything I Learned
    I used FastAPI, a Python framework built specifically for creating APIs quickly, with automatic validation and interactive documentation baked in. - Source: dev.to / 22 days ago
  • 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 / 3 months ago
  • 5-Minute AI Jobs and Closed Tabs — Why We Built Replay-Then-Tail SSE
    We had a feature in production where a single user request could run for five-plus minutes — 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 / 4 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 / 5 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 / 5 months ago
View more

Protocol Buffers mentions (30)

  • Encoding and Decoding JSON in Dart
    Before working on more challengin but interesting serializer like CBOR or Protocol Buffer, let take a moment to learn how use JSON in Dart. - Source: dev.to / 3 months ago
  • Dealing with WebSocket in Dart
    a BinaryDataReceived object is returned when the server is sending binary message (e.g. protobuf, CBOR). - Source: dev.to / 4 months ago
  • Protocol Buffers for PromoStandards: 80%+ Smaller Payloads, No One Else Does This
    Protocol Buffers are Google's language-neutral, platform-neutral mechanism for serializing structured data. They're what powers communication between services at Google, Netflix, and most high-scale tech companies. Unlike JSON (text-based), protobuf is a binary format — compact, fast to serialize/deserialize, and schema-enforced. - Source: dev.to / 6 months ago
  • Is the Java ecosystem cursed? A dependency analysis perspective
    Protocol buffers, aka protobufs, are an amazing tool for making a build engineer's days a living nightmare. First we must note that there are at least two competing protobuf compilers in the JVM world: Google's protoc and Square's Wire. I happen to work at a company that uses both. I don't think I hate myself, but maybe God does. These compilers generate code (Java or Kotlin) from the protobuf format that are... - Source: dev.to / 11 months ago
  • How to copy a tree, but not word for word
    The most comprehensive support for JS, along with future support for TS, comes from the TypeScript compiler. However, it's written in a different language, so we must transfer the AST via gRPC. To maximize performance, we use protobuf. - Source: dev.to / 10 months ago
View more

What are some alternatives?

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

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

TOML - TOML - Tom's Obvious, Minimal Language

Django - The Web framework for perfectionists with deadlines

Messagepack - An efficient binary serialization format.

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

gRPC - Application and Data, Languages & Frameworks, Remote Procedure Call (RPC), and Service Discovery