Open Source API Tools
Discover 179 open source API repositories from GitHub, each with an analysis of what it does, key features, use cases and alternatives. API projects here are most often combined with Self Hosted, Python and TypeScript. Last updated October 4, 2026.
179 repositories · updated October 4, 2026

boto3: Build Python Applications with AWS Services
Boto3 is the AWS SDK for Python, letting developers write software that uses AWS services such as S3 and EC2. It fits Python applications that need programmatic access to AWS, with credentials and region configured for the environment.

facebook-sdk: Access Facebook's Graph API from Python
A Python client library for working with Facebook's Graph API. It is intended for developers building Python integrations that use Facebook data or pair server-side code with Facebook's JavaScript SDK for authentication.

google-api-python-client: Access Google Discovery APIs from Python
An officially supported Python client for Google APIs described by discovery documents. It suits existing integrations and APIs without a dedicated Cloud Client Library, but is in maintenance mode and Google recommends Cloud Client Libraries for most new development.

gspread: Work with Google Sheets from Python
gspread is a Python library for reading, updating, formatting, and managing Google Sheets through a simple API. It suits scripts and applications that need spreadsheet access, but its README says the project currently needs new maintainers.

twython: Access the Twitter API from Python
Twython is a Python library for querying Twitter data and working with its standard and streaming APIs. It suits Python applications that need Twitter authentication, account data, timelines, messaging, or media uploads.

purl: Build and Manipulate URLs in Python
purl is a Python library for inspecting and transforming URLs through an immutable, chainable API. It suits applications that need structured URL handling, query-parameter updates, or RFC 6570 template expansion without assembling URL strings manually.

pyshorteners: Create Short URLs from Python
pyshorteners is a Python library that wraps URL-shortening services, letting applications generate short links through a common interface. It suits developers who need URL shortening in Python, but the repository is archived.

webargs: Parse and Validate HTTP Request Arguments
webargs parses and validates HTTP request data for Python web applications. Its framework integrations help developers define request inputs and validation rules alongside route handlers.

micawber: Extract Rich Content from URLs
micawber is a Python library for retrieving rich metadata from URLs and replacing links in text or HTML with embedded content. Use it when an application needs to turn supported links, such as video URLs, into rich previews.

toapi: Turn Web Pages into JSON APIs
toapi converts web pages into JSON endpoints using declarative CSS selectors. It suits developers who need lightweight, on-demand data extraction without maintaining a separate crawler or database.

autobahn-python: Build WebSocket and WAMP Apps in Python
Autobahn|Python is a library for building asynchronous WebSocket clients and servers, plus WAMP applications with RPC and publish-subscribe messaging. It supports Twisted and asyncio and requires Python 3.11 or later.

app.yumcut.com: Generate Short Videos from Prompts
YumCut turns a prompt into a vertical short video with generated scripts, voice, visuals, and captions. It is aimed at creators and teams who want to automate short-form production and control their deployment and provider choices.