API Development

API clients, documentation, mocking, GraphQL

Showing 181-200 of 3,152 projects

axllent/mailpit

An email and SMTP testing tool with API for developers to easily test and debug their email workflows.

8.9K
Active
Go
API Frameworks
CLI Tools
#email-testing#smtp-testing#pop3-server

graphql/graphql-playground

A powerful GraphQL IDE for better development workflows, featuring GraphQL Subscriptions, interactive docs, and collaboration.

8.9K
Stable
TypeScript
GraphQL
IDE Extensions
React
#graphql#ide#interactive-docs

node-fetch/node-fetch

A lightweight, spec-compliant Fetch API implementation for Node.js that provides a simple, promise-based interface.

8.9K
Archived
JavaScript
API Clients & Testing
Backend Frameworks
Node.js
#fetch#http#promise

teamhanko/hanko

Open-source alternative to Auth0 and other authentication services, offering modern authentication features.

8.9K
Active
Go
Authentication
Backend Frameworks
Go
#authentication#2fa#mfa

purescript/purescript

PureScript is a strongly-typed functional programming language that compiles to JavaScript.

8.8K
Stable
Haskell
Backend Frameworks
CLI Tools
React
#functional-programming#javascript#typed-language

fuzzdb-project/fuzzdb

A dictionary of attack patterns and primitives for application fault injection and resource discovery.

8.8K
Archived
PHP
Security Research
CLI Tools
#penetration-testing#security-research#fault-injection

numman-ali/openskills

Universal skills loader for AI coding agents - a npm package that provides a standard way to load and use AI skills.

8.8K
Active
TypeScript
AI Coding Agents
API Clients & Testing
TypeScript
#ai-coding#agent#skills-loader

JeffreySu/WeiXinMPSDK

A C# SDK for WeChat that supports public accounts, mini programs, payments, enterprise, and more

8.8K
Active
C#
Authentication
Payments & Billing
NET
#wechat#sdk#c-sharp

open-source-parsers/jsoncpp

A C++ library for interacting with JSON data in a developer-friendly way.

8.8K
Active
C++
API Clients & Testing
Backend Frameworks
#json#c++#data-parsing

apex/up

Deploy scalable serverless apps, APIs, and sites to AWS in seconds using this open-source Go framework.

8.8K
Archived
Go
BaaS Platforms
API Clients & Testing
Go
#serverless#aws#lambda

karatelabs/karate

Karate is a simple, powerful, and open-source API testing framework for developers and testers.

8.8K
Active
Java
API Clients & Testing
Testing
Java
#api-testing#bdd#contract-testing

tmc/langchaingo

LangChain for Go, the easiest way to write LLM-based programs in Go

8.8K
Active
Go
LLM Frameworks
API Clients & Testing
Go
#ai#language-model#llm

irungentoo/toxcore

An open-source library for building the future of online communications.

8.8K
Archived
C
API Clients & Testing
Realtime
#communication#realtime#open-source

googleapis/google-api-python-client

The official Python client library for Google's discovery-based APIs.

8.7K
Active
Python
API Clients & Testing
Python
#google-api#python-client#api-client

howtographql/howtographql

A full-stack GraphQL tutorial that covers core concepts and best practices for building GraphQL APIs.

8.7K
Archived
TypeScript
GraphQL
Full-Stack Frameworks
React
#graphql#apollo#prisma

ThreeMammals/Ocelot

.NET API Gateway for microservices and reverse proxy communication

8.7K
Active
C#
API Clients & Testing
API Frameworks
ASP.NET Core
#microservices#gateway#reverse-proxy

angular/protractor

Protractor is an end-to-end testing framework for Angular and AngularJS applications.

8.7K
Archived
JavaScript
Frontend Frameworks
API Clients & Testing
Angular
#angular#e2e-testing#javascript

apiaryio/api-blueprint

API Blueprint is a language for describing and generating RESTful API documentation and mock servers.

8.7K
Archived
API Documentation
API Mocking
#api-documentation#api-mocking#api-design

git-ecosystem/git-credential-manager

Secure, cross-platform Git credential storage with authentication to GitHub, Azure Repos, and other Git hosting services.

8.6K
Active
C#
CLI Tools
Authentication
#authentication#azure-devops#azure-repos

microsoft/TypeChat

TypeChat is a TypeScript library that makes it easy to build natural language interfaces using types.

8.6K
Stable
TypeScript
LLM Frameworks
tRPC & Type-Safe APIs
TypeScript
#natural-language#types#ai
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