fastapi-cli
Run and manage FastAPI apps from the command line with FastAPI CLI. 🚀
Decision gist · record as of 2026-08-14
Yes. FastAPI CLI is the official command-line tool for FastAPI, actively maintained, permissively licensed, and has low install friction. It eliminates boilerplate for running FastAPI apps and is the recommended way to serve FastAPI applications in both development and production. Install it if you are building FastAPI applications.AI-flagged interpretation of the facts on this page — verify before relying
Before you install
- Requires Python 3.10 or later; your FastAPI app must define an app object (typically named `app`) that the CLI can auto-detect and import.
- Low friction to install; the package is actively maintained with recent releases and a stable repository.
- It pulls in four runtime dependencies (typer, uvicorn, rich-toolkit, tomli), all of which are standard Python ecosystem tools.
License · maintenance · safety
MIT (permissive) — MIT license is permissive; you can use, modify, and distribute this package with minimal legal constraints, making it safe for both open-source and commercial projects.
last release 2026-07-16 (29 days) · last repo commit 2026-08-12 · 641 stars
0 known vulnerabilities (OSV.dev, 2026-08-14) · 74,715,354 downloads/mo, #450 on PyPI
Alternatives
Verify before relying
pip install fastapi-cli
fastapi dev main.py- Whether the CLI can auto-detect app objects with non-standard names or requires explicit import paths.
- Performance characteristics and resource overhead of auto-reload in development mode on large projects.
- Exact behavior when FASTAPI_ENV is already set to a custom value before running `fastapi dev`.
What it is and what it does
FastAPI CLI is a command-line interface that simplifies running your application during development and deployment. It automatically discovers your FastAPI app object and serves it via uvicorn without requiring manual configuration. The tool provides two main modes: `fastapi dev` for development with auto-reload enabled (watching for code changes and restarting the server), and `fastapi run` for production with auto-reload disabled and all network interfaces listening. In development mode, it sets the `FASTAPI_ENV` environment variable to `development` unless already set, allowing your app to adjust startup behavior accordingly. The CLI handles the boilerplate of importing your app and configuring the ASGI server, letting you focus on writing application code.
The package depends on typer for CLI argument parsing, uvicorn as the underlying ASGI server, rich-toolkit for terminal output formatting, and tomli for configuration file parsing. It targets Python 3.10 and later and is actively maintained. The tool is particularly useful for developers who want a zero-configuration way to run FastAPI apps locally or in containers without writing shell scripts or manually invoking uvicorn.
Use it for
- Start a FastAPI development server with auto-reload by running `fastapi dev main.py` to iterate quickly on your application.
- Deploy a FastAPI app to production with `fastapi run main.py`, which disables auto-reload and listens on all interfaces.
- Let the CLI auto-detect your app object and import path instead of manually specifying uvicorn configuration.
- Set development-specific behavior in your app startup code by checking the `FASTAPI_ENV` environment variable.
- Run FastAPI apps in containers or CI/CD pipelines without writing custom entry point scripts.
Worth the install?
AI-flagged interpretation of the facts on this page. Verify before relying on it.
Yes.
FastAPI CLI is the official command-line tool for FastAPI, actively maintained, permissively licensed, and has low install friction. It eliminates boilerplate for running FastAPI apps and is the recommended way to serve FastAPI applications in both development and production. Install it if you are building FastAPI applications.
Install
fastapi-cli on PyPI
Before you install
Low friction to install; the package is actively maintained with recent releases and a stable repository. It pulls in four runtime dependencies (typer, uvicorn, rich-toolkit, tomli), all of which are standard Python ecosystem tools.
Requires Python 3.10 or later; your FastAPI app must define an app object (typically named `app`) that the CLI can auto-detect and import.
License in practice
MIT license is permissive; you can use, modify, and distribute this package with minimal legal constraints, making it safe for both open-source and commercial projects.
Quickstart
pip install fastapi-cli
fastapi dev main.pyVerify before relying
- Whether the CLI can auto-detect app objects with non-standard names or requires explicit import paths.
- Performance characteristics and resource overhead of auto-reload in development mode on large projects.
- Exact behavior when FASTAPI_ENV is already set to a custom value before running `fastapi dev`.
Package facts
| License | MIT permissive |
| Python support | Supports the current Python release >=3.10 |
| Install friction | Low. Pure-Python wheel |
| Runtime dependencies | 4 packagestyperuvicornrich-toolkittomli |
| Maintenance | Actively maintained 29 days since the last release |
| Last repo commit | |
| First released | |
| Downloads | 74,715,354 / month, #450 on PyPI 30-day window, as of 2026-08-14 |
| Known vulnerabilities | None known OSV.dev, checked 2026-08-14 |
| Classifiers | Development Status :: 4 - BetaFramework :: FastAPIIntended Audience :: DevelopersIntended Audience :: Information TechnologyIntended Audience :: System AdministratorsOperating System :: OS IndependentProgramming Language :: PythonProgramming Language :: Python :: 3Programming Language :: Python :: 3 :: OnlyProgramming Language :: Python :: 3.10Programming Language :: Python :: 3.11Programming Language :: Python :: 3.12Programming Language :: Python :: 3.13Programming Language :: Python :: 3.14Topic :: Software DevelopmentTopic :: Software Development :: LibrariesTopic :: Software Development :: Libraries :: Application FrameworksTopic :: Software Development :: Libraries :: Python ModulesTyping :: Typed |
Evidence: fastapi_cli-0.0.32-py3-none-any.whl
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