Flask

aid: flask
name: Flask
description: Flask is a lightweight WSGI web application framework for Python, designed to make getting started quick and
  easy with the ability to scale up to complex applications. It provides a simple core with Jinja2 templating and Werkzeug
  WSGI toolkit, and is extensible through a rich ecosystem of extensions for database integration, form validation, authentication,
  and more. Flask is a popular foundation for building APIs and web services in Python.
type: Index
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
access: Open Source
position: Producer
tags:
- Frameworks
- Lightweight
- Microframework
- Pallets
- Python
- Web Framework
- WSGI
url: https://raw.githubusercontent.com/api-evangelist/flask/refs/heads/main/apis.yml
created: '2026-03-26'
modified: '2026-04-28'
specificationVersion: '0.19'
apis:
- aid: flask:flask
  name: Flask
  description: Flask is a lightweight WSGI web application framework for Python. It is commonly used as a foundation for building
    HTTP APIs and web services. While Flask itself does not expose an HTTP API, it ships with a configurable runtime whose
    configuration surface is captured here as a JSON Schema for tooling and validation purposes.
  humanURL: https://flask.palletsprojects.com/
  tags:
  - Frameworks
  - Lightweight
  - Microframework
  - Pallets
  - Python
  - Web Framework
  - WSGI
  properties:
  - type: Documentation
    url: https://flask.palletsprojects.com/en/stable/
  - type: GettingStarted
    url: https://flask.palletsprojects.com/en/stable/quickstart/
  - type: SourceCode
    url: https://github.com/pallets/flask
  - type: JSONSchema
    url: json-schema/flask-config.json
common:
- type: Website
  url: https://flask.palletsprojects.com/
- type: Documentation
  url: https://flask.palletsprojects.com/en/stable/
- type: GettingStarted
  url: https://flask.palletsprojects.com/en/stable/quickstart/
- type: GitHubOrganization
  url: https://github.com/pallets
- type: SourceCode
  url: https://github.com/pallets/flask
- type: Blog
  url: https://palletsprojects.com/blog/
- type: PyPI
  url: https://pypi.org/project/flask/
- type: Extensions
  url: https://flask.palletsprojects.com/en/stable/extensions/
- type: ChangeLog
  url: https://flask.palletsprojects.com/en/stable/changes/
- type: License
  url: https://github.com/pallets/flask/blob/main/LICENSE.txt
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com