API Development

API clients, documentation, mocking, GraphQL

Showing 41-60 of 3,152 projects

microsoft/api-guidelines

Microsoft REST API Guidelines for designing and building APIs

23.2K
Experimental
API Documentation
#api-guidelines#rest-api#microsoft

n0shake/Public-APIs

Curated list of public APIs from around the web

23.1K
Archived
API Documentation
#api-list#public-apis#developer-tools

saleor/saleor

High-performance, composable, headless commerce API for scalable e-commerce solutions.

22.7K
Active
Python
API Frameworks
GraphQL
Python
#e-commerce#headless-commerce#graphql

ranaroussi/yfinance

Python library for downloading financial data from Yahoo! Finance

21.9K
Active
Python
API Clients & Testing
ETL & Pipelines
#financial-data#market-data#yahoo-finance

parse-community/parse-server

Open-source backend server for Node.js/Express with BaaS, file storage, and GraphQL support

21.4K
Active
JavaScript
BaaS Platforms
GraphQL
Node.js
#baas#backend#file-storage

SocialSisterYi/bilibili-API-collect

Bilibili API collection and documentation

20.4K
Active
API Documentation
#bilibili#api#documentation

graphql/graphql-js

GraphQL reference implementation for JavaScript

20.3K
Active
TypeScript
GraphQL
#graphql#javascript#api

antonmedv/fx

Terminal JSON viewer & processor

20.3K
Active
Go
Terminal UIs
API Documentation
#json#cli#tui

grpc-ecosystem/grpc-gateway

gRPC to REST/JSON proxy generator for Go

19.8K
Active
Go
API Documentation
API Frameworks
Go
#grpc#grpc-gateway#rest-api

apollographql/apollo-client

GraphQL client for JavaScript/TypeScript apps with caching and developer tools

19.7K
Active
TypeScript
GraphQL
React
#graphql#apollo-client#typescript

nuysoft/Mock

Mock.js generates simulated data for frontend development and testing.

19.7K
Archived
JavaScript
API Mocking
Testing
#mocking#data-generation#frontend-testing

subquery/subql

An open-source data indexing framework for building decentralized web3 applications.

18.9K
Active
TypeScript
GraphQL
TypeScript
#web3#decentralized#indexing

Orange-OpenSource/hurl

Hurl is a Rust-based CLI tool for running and testing HTTP requests using a plain text format.

18.6K
Active
Rust
API Clients & Testing
#http-client#api-testing#cli-tool

mountain-loop/yaak

A desktop API client to organize and execute REST, GraphQL, WebSockets, SSE, and gRPC for vibe coders.

18.0K
Active
TypeScript
API Clients & Testing
Tauri
#http#graphql#grpc

google/libphonenumber

A common library for parsing, formatting, and validating international phone numbers in Java, C++, and JavaScript.

17.9K
Active
C++
API Clients & Testing
#phone-numbers#international#parsing

pybind/pybind11

A C++11 library that provides seamless operability between C++ and Python codebases.

17.7K
Active
C++
API Clients & Testing
Python
#bindings#python#c++

swagger-api/swagger-codegen

A template-driven code generation tool for creating documentation, API clients, and server stubs for OpenAPI/Swagger APIs.

17.7K
Active
Mustache
API Clients & Testing
React
#openapi#swagger#rest-api

mswjs/msw

Industry-standard API mocking library for JavaScript developers to test their applications.

17.7K
Active
TypeScript
API Mocking
React
#api-mocking#mocking#testing

sqlc-dev/sqlc

Generate type-safe code from SQL for Go, Kotlin, Python, and other languages.

17.1K
Active
Go
API Clients & Testing
#sql#type-safe#code-generation

upptime/upptime

Upptime is a GitHub Actions-based uptime monitor and status page for your projects and services.

16.9K
Active
JSON
API Clients & Testing
Node
#uptime-monitoring#status-page#incident-reporting
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