Flask-RESTful
Simple framework for creating REST APIs
Decision gist · record as of 2026-08-14
Yes, if you are building a REST API with Flask and prefer a declarative resource-based approach over raw route decorators. The low install friction, permissive license, and stable codebase make it a safe choice for new or existing projects. However, be aware that the package is dormant—no active maintenance or updates are expected. If you need ongoing support or are starting a greenfield project, evaluate whether a more actively maintained alternative aligns better with your long-term requirements.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Low install friction with a pure-Python wheel.
- However, the package is dormant—last release was in May 2023, and the repository shows no recent commits.
- For new projects, consider whether active maintenance matters for your use case.
License · maintenance · safety
BSD (permissive) — BSD license is permissive; you can use, modify, and distribute this package freely in commercial and open-source projects with minimal restrictions.
last release 2023-05-21 (1181 days) · last repo commit 2024-07-19 · 6,916 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 4,049,980 downloads/mo, #2,390 on PyPI
Alternatives
Verify before relying
pip install Flask-RESTful
from flask import Flask
from flask_restful import Api, Resource
app = Flask(__name__)
api = Api(app)
class HelloWorld(Resource):
def get(self):
return {'hello': 'world'}
api.add_resource(HelloWorld, '/hello')- Whether the package remains compatible with modern Flask versions and current Python releases beyond those listed in classifiers.
- Whether dormancy affects real-world reliability or if the stable API is sufficient for production use.
What it is and what it does
Flask-RESTful is a lightweight extension that sits on top of Flask to simplify REST API development. It provides decorators and resource classes that let you define endpoints as Python classes with methods for each HTTP verb (GET, POST, etc.), reducing the boilerplate needed to build a typical REST service. The package handles request argument parsing, response formatting, and HTTP status codes through a declarative interface.
The package depends on Flask, aniso8601 (for date/time parsing), pytz (for timezone handling), and six (for Python 2/3 compatibility). It is dormant—the last release was in May 2023 with no recent commits—but remains stable and widely used. The codebase is not archived and carries no known vulnerabilities, making it suitable for maintaining existing APIs or starting new ones if you accept that bug fixes and feature additions are unlikely.
Use it for
- Build a simple REST API by defining resource classes with GET, POST, PUT, DELETE methods without writing raw Flask route decorators.
- Parse and validate incoming request arguments using built-in argument parsing utilities.
- Serialize Python objects into JSON responses with consistent field marshalling and type conversion.
- Organize multiple API endpoints by grouping related resources and registering them with a single Api instance.
- Migrate an existing Flask application to a REST-first architecture with minimal refactoring of core logic.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes, if you are building a REST API with Flask and prefer a declarative resource-based approach over raw route decorators.
The low install friction, permissive license, and stable codebase make it a safe choice for new or existing projects. However, be aware that the package is dormant—no active maintenance or updates are expected. If you need ongoing support or are starting a greenfield project, evaluate whether a more actively maintained alternative aligns better with your long-term requirements.
Install
flask-restful on PyPI
Before you install
Low install friction with a pure-Python wheel. However, the package is dormant—last release was in May 2023, and the repository shows no recent commits. For new projects, consider whether active maintenance matters for your use case.
License in practice
BSD license is permissive; you can use, modify, and distribute this package freely in commercial and open-source projects with minimal restrictions.
Quickstart
pip install Flask-RESTful
from flask import Flask
from flask_restful import Api, Resource
app = Flask(__name__)
api = Api(app)
class HelloWorld(Resource):
def get(self):
return {'hello': 'world'}
api.add_resource(HelloWorld, '/hello')Verify before relying
- Whether the package remains compatible with modern Flask versions and current Python releases beyond those listed in classifiers.
- Whether dormancy affects real-world reliability or if the stable API is sufficient for production use.
Package facts
| License | BSD permissive |
| Python support | Not specified |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagesaniso8601Flasksixpytz |
| Maintenance | Dormant 1,181 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 4,049,980 / month, #2,390 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Framework :: FlaskLicense :: OSI Approved :: BSD LicenseProgramming Language :: Python :: 2Programming Language :: Python :: 2.7Programming Language :: Python :: 3Programming Language :: Python :: 3.4Programming Language :: Python :: 3.5Programming Language :: Python :: 3.6Programming Language :: Python :: 3.7Programming Language :: Python :: 3.8 |
Evidence: Flask_RESTful-0.3.10-py2.py3-none-any.whl
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