domain: apis
2838 products, primary matches first, then adoption-weighted; health v2 shown.
| Product | Health v2 | Stars | Maturity |
|---|---|---|---|
| LasseRafn/ui-avatars UI Avatars is a PHP service that generates simple initial-based avatar images from names via a URL-based API, powering ui-avatars.com. It c… | 76 | 1196 | stable |
| TelegramBot/Api A native PHP wrapper for the Telegram Bot API with no external requirements, supporting all Bot API methods and response types. It lets PHP… | 37 | 1194 | active |
| trpc-group/trpc-go tRPC-Go is the Go implementation of the tRPC framework, a pluggable, high-performance RPC framework for building microservices. It supports… | 80 | 1192 | active |
| WeTransfer/Mocker Mocker is a Swift library that mocks data requests from URLSession and Alamofire using a custom URLProtocol, without changing app code. It … | 23 | 1190 | active |
| jayus0821/swagger-hack A Python CLI tool that automatically crawls all endpoints exposed by leaked Swagger/OpenAPI documentation and sends configured test request… | 57 | 1189 | active |
| alipay/alipay-easysdk Alipay Easy SDK is a multi-language server-side SDK (Java, C#, PHP, TypeScript, etc.) that provides a minimalist, factory-based API for acc… | 32 | 1188 | active |
| reo7sp/tgbot-cpp tgbot-cpp is a C++ library wrapping the Telegram Bot API, currently supporting Bot API 10.2. It provides event handlers for commands and me… | 98 | 1187 | active |
| linux-do/override A Go-based local proxy service that overrides GitHub Copilot's API endpoints in VSCode and JetBrains IDEs, redirecting code completion and … | 15 | 1187 | active |
| callumlocke/json-formatter A Chrome browser extension that formats and pretty-prints JSON API responses with syntax highlighting, collapsible trees, dark mode, and co… | 68 | 4128 | maintenance |
| anthropics/anthropic-sdk-go The official Go SDK for accessing Anthropic's Claude language model APIs. It provides typed clients for messages, streaming, and other Clau… | 87 | 1183 | active |
| googleapis/go-genai The official Google Gen AI SDK for Go, providing a client interface to Google's generative models such as Gemini via the Gemini Developer A… | 85 | 1183 | active |
| googleapis/google-cloud-php The official Google Cloud Client Library for PHP, providing idiomatic PHP clients for Google Cloud Platform services such as Storage, BigQu… | 96 | 1182 | active |
| spring-projects/spring-restdocs Spring REST Docs is a Java library that generates accurate documentation for RESTful APIs by combining hand-written Asciidoctor content wit… | 85 | 1182 | active |
| thinkany-ai/rag-search A RAG (retrieval-augmented generation) search API service built with FastAPI by the ThinkAny AI search engine team. It combines web search … | 25 | 1180 | active |
| BiFangKNT/mtga MTGA is a local proxy application that lets IDEs with fixed model providers (such as Trae) use arbitrary LLM backends. It exposes an OpenAI… | 76 | 1179 | active |
| zalando/intellij-swagger A JetBrains IntelliJ IDEA plugin (Zalando OpenAPI Editor) that provides editing support for OpenAPI and Swagger specification files, includ… | 43 | 1174 | active |
| rust-lang/docs.rs Docs.rs is the official documentation hosting service for crates published on crates.io, automatically building rustdoc documentation in sa… | 77 | 1173 | active |
| excon/excon Excon is a fast, simple HTTP 1.1 client library for Ruby, designed for general HTTP(S) requests and especially well suited for building API… | 76 | 1173 | stable |
| JKorf/Binance.Net Binance.Net is a strongly typed C#/.NET client library for the Binance cryptocurrency exchange REST and WebSocket APIs. It supports Spot an… | 95 | 1172 | active |
| Hex Hexpm is the API server and website powering hex.pm, the package registry for the Erlang ecosystem (Elixir, Erlang, Gleam). It handles pack… | 77 | 1170 | active |
| fawazahmed0/quran-api A free Quran API service exposing Quran text and 440+ translations in 90+ languages via REST-style JSON endpoints served over a CDN. It req… | 65 | 1167 | stable |
| shazow/whatsabi WhatsABI is a small TypeScript library that guesses an ABI and detects proxy contracts directly from Ethereum bytecode, even for unverified… | 98 | 1160 | active |
| firebase/firebase-admin-python The Firebase Admin Python SDK lets privileged server-side Python code interact with Firebase services such as Authentication, Firestore, Re… | 92 | 1159 | stable |
| httpswift/swifter Swifter is a tiny HTTP server engine written in Swift, supporting HTTP 1.1 and WebSockets. It offers a simple closure-based routing API, st… | 23 | 4019 | maintenance |
| AzureAD/azure-activedirectory-identitymodel-extensions-for-dotnet Microsoft's IdentityModel extensions for .NET, a library for working with OpenID Connect, OAuth 2.0, and JSON Web Tokens (JWT) in .NET appl… | 98 | 1157 | active |
| gitlab4j/gitlab4j-api GitLab4J-API is a full-featured Java client library for interacting with GitLab repositories through the GitLab REST API. It supports GitLa… | 89 | 1157 | active |
| librariesio/libraries.io Libraries.io is an open source discovery service that indexes millions of packages across 32 package managers, letting developers search an… | 75 | 1156 | active |
| awslabs/aws-lambda-go-api-proxy A Go library that adapts requests from AWS Lambda and Amazon API Gateway to standard Go HTTP frameworks like Gin, Fiber, Echo, and net/http… | 10 | 1155 | active |
| taverntesting/tavern Tavern is a pytest plugin, command-line tool, and Python library for automated API testing using a concise YAML-based syntax. It supports t… | 77 | 1154 | active |
| alirezanet/Gridify Gridify is a .NET dynamic LINQ library that converts text-based query strings into LINQ expressions for filtering, sorting, and pagination.… | 92 | 1152 | active |
| quickfix-j/quickfixj QuickFIX/J is a full-featured, 100% Java messaging engine for the FIX protocol, supporting FIX 4.0 through FIXLatest and FIXT 1.1. It provi… | 94 | 1150 | stable |
| daimon3332/address A self-hosted web application that generates realistic residential addresses and synthetic test profiles for 27 countries and regions, buil… | 80 | 1149 | active |
| babelouest/ulfius Ulfius is an HTTP framework for building REST APIs, webservices, and HTTP endpoints in C, built on libmicrohttpd, Jansson, and libcurl. It … | 64 | 1147 | active |
| maticzav/graphql-middleware A TypeScript library that lets you split GraphQL resolvers into reusable middleware functions applied to any GraphQL schema. It follows the… | 67 | 1145 | stable |
| Flyrell/axios-auth-refresh A TypeScript library that adds automatic authorization token refresh to Axios via interceptors. When a request fails with an authorization … | 82 | 1144 | active |
| apache/apisix-ingress-controller A Kubernetes ingress controller that runs Apache APISIX as the gateway for handling inbound cluster traffic. It translates native Kubernete… | 91 | 1143 | active |
| JMPerez/spotify-dedup Spotify Dedup is an open-source web application that scans a user's Spotify playlists and liked songs to find and remove duplicate tracks v… | 71 | 1142 | active |
| eclipse-biscuit/biscuit Biscuit is a specification and reference implementation for a delegated, decentralized, capability-based authorization token, written in Ru… | 44 | 1142 | active |
| resteasy/resteasy RESTEasy is a Java framework implementing the Jakarta RESTful Web Services (JAX-RS) specification and the MicroProfile REST Client API for … | 98 | 1141 | stable |
| beda-software/drf-writable-nested A Python library providing writable nested model serializers for Django REST Framework, enabling creation and updates of models with relate… | 44 | 1140 | active |
| django-tastypie/django-tastypie Tastypie is a webservice API framework for Django that provides a convenient, highly customizable abstraction for creating REST-style inter… | 68 | 3947 | maintenance |
| prkumar/uplink Uplink is a declarative HTTP client library for Python, inspired by Retrofit, that turns REST APIs into Python classes using decorators and… | 34 | 1139 | active |
| mailgun/mailgun-php The official Mailgun SDK for PHP, a PSR-18 HTTP client wrapper around the Mailgun email API. It lets PHP applications send, track, and mana… | 96 | 1138 | active |
| somta/Juggle Juggle is a zero-code/low-code API orchestration and system integration platform for composing microservice interfaces into complex flows v… | 81 | 1137 | active |
| tiny-http/tiny-http A low-level HTTP server library in Rust that handles connections, request parsing, pipelining, and HTTPS while leaving routing and higher-l… | 23 | 1137 | stable |
| wendux/fly Fly.js is a Promise-based HTTP request library that works across all JavaScript runtimes, including browsers, Node.js, WeChat mini programs… | 32 | 3927 | maintenance |
| apiflask/apiflask APIFlask is a lightweight Python web API framework built on Flask that adds declarative input/output handling, automatic request validation… | 92 | 1134 | active |
| thephpleague/uri A PHP library for parsing, validating, formatting, and manipulating URIs according to RFC 3986, RFC 3987, RFC 6570 (URI Templates), and RFC… | 74 | 1134 | active |
| WordPress REST API The WordPress REST API, originally developed as the WP-API plugin and merged into WordPress core since version 4.7, exposes WordPress site … | 10 | 3922 | maintenance |
| openwisp/django-rest-framework-gis A Python library providing geographic add-ons (GeoJSON serializers, geometry fields, spatial filters) for Django REST Framework. It is main… | 89 | 1127 | active |
| bramus/router A lightweight, object-oriented HTTP router library for PHP that maps request methods and URL patterns to callbacks. It supports static and … | 32 | 1126 | stable |
| sml2h3/ddddocr-fastapi A minimal FastAPI-based REST API service wrapping the DdddOcr OCR engine, exposing endpoints for image text recognition, slide captcha matc… | 23 | 1126 | active |
| alexcrichton/curl-rust Rust bindings to libcurl providing safe access to the Easy and Multi transfer interfaces. It supports HTTP methods, custom headers, connect… | 80 | 1125 | active |
| claudiajs/claudia Claudia.js is a command-line tool that automates deploying Node.js projects to AWS Lambda and API Gateway. It handles error-prone packaging… | 68 | 3885 | maintenance |
| Quorinex/Kiro-Go A Go service that converts Kiro accounts into OpenAI- and Anthropic-compatible API endpoints, with multi-account pooling, round-robin load … | 58 | 1124 | active |
| daveshanley/vacuum vacuum is an ultra-fast OpenAPI, AsyncAPI, and JSON Schema linter and quality-checking tool written in Go, fully compatible with Spectral r… | 96 | 1123 | active |
| prettymuchbryce/http-status-codes A dependency-free TypeScript/JavaScript library providing constants for all HTTP status codes from RFC1945, RFC2616, RFC7231, RFC2518, RFC6… | 23 | 1122 | stable |
| johnwmillr/LyricsGenius A Python client library that wraps the Genius.com API and scrapes song lyrics, artist, and album metadata. It provides simple search and do… | 69 | 1121 | active |
| graphql-hive/SOFA SOFA (sofa-api) is a Node.js library that automatically generates a fully RESTful API from an existing GraphQL schema, turning queries, mut… | 76 | 1118 | active |
| mgravell/fast-member A .NET library providing fast, reflection-free access to object fields and properties when types and member names are only known at runtime… | 56 | 1118 | stable |
| davidyaha/graphql-redis-subscriptions A TypeScript library implementing the PubSubEngine and AsyncIterator interfaces from graphql-subscriptions on top of Redis Pub/Sub. It lets… | 33 | 1118 | active |
| DoctorMcKay/node-steam-user SteamUser is a Node.js library that lets you communicate with Steam servers using the Steam client protocol, acting like a proper Steam cli… | 59 | 1117 | active |
| briandilley/jsonrpc4j jsonrpc4j is a Java library for implementing JSON-RPC 2.0 servers and clients, using Jackson for JSON serialization. It supports HTTP, stre… | 47 | 1117 | stable |
| canton7/RestEase RestEase is a type-safe REST API client library for .NET, where you define an interface describing the remote endpoints and RestEase genera… | 32 | 1116 | stable |
| BenLorantfy/nestjs-zod A TypeScript library providing NestJS integration for Zod schema validation. It lets you create DTOs from Zod schemas, validate request bod… | 97 | 1115 | active |
| planetscale/vtprotobuf vtprotobuf is a protoc plugin (protoc-gen-go-vtproto) that generates optimized, reflection-free marshaling and unmarshaling Go code for Pro… | 63 | 1115 | active |
| APIDevTools/json-schema-ref-parser A JavaScript/TypeScript library that parses, resolves, and dereferences JSON Schema $ref pointers, supporting external files, URLs, JSON/YA… | 99 | 1113 | stable |
| polkadot-js/api A TypeScript library providing Promise and RxJS APIs for interacting with Polkadot and Substrate-based blockchain nodes via RPC calls. It d… | 88 | 1110 | active |
| laravel-notification-channels/telegram A Laravel notification channel package that lets applications send Telegram messages via the Telegram Bot API. It supports text, media, pol… | 80 | 1110 | active |
| dart-lang/http package:http is the official Dart/Flutter library providing a composable, Future-based API for making HTTP requests across mobile, desktop,… | 80 | 1109 | stable |
| saidsurucu/yargi-mcp A FastMCP-based Model Context Protocol server that provides access to Turkish legal databases, including Yargıtay, Danıştay, Anayasa Mahkem… | 82 | 1107 | active |
| ENTERPILOT/GoModel GoModel is an open-source AI gateway and control plane written in Go that exposes a unified OpenAI-compatible and Anthropic-compatible API … | 80 | 1107 | active |
| Shopify/shopify-api-ruby ShopifyAPI is a lightweight Ruby gem for accessing the Shopify Admin REST and GraphQL APIs, including OAuth token creation and webhook regi… | 66 | 1105 | active |
| aliyun/darabonba Darabonba is a domain-specific language (DSL) for describing OpenAPI-based interfaces, maintained by Alibaba Cloud. It compiles a single in… | 39 | 1104 | active |
| PaloAltoNetworks/docusaurus-openapi-docs A Docusaurus v3 plugin and theme that generates MDX API reference documentation from OpenAPI/Swagger specifications. It extends the Docusau… | 98 | 1103 | active |
| dimdenGD/ultimate-express A fast re-implementation of Express.js 4 built on µWebSockets, designed as a drop-in replacement with the same API. It validates compatibil… | 56 | 1102 | active |
| leangen/graphql-spqr GraphQL SPQR is a Java library that dynamically generates a GraphQL schema from existing Java code, enabling code-first GraphQL API develop… | 52 | 1102 | active |
| openresponses/openresponses Open Responses is an open-source specification for multi-provider, interoperable LLM interfaces modeled on the OpenAI Responses API, defini… | 57 | 1100 | active |
| alibaba-flyai/flyai-skill FlyAI is an agent skill that connects Claude Code, OpenClaw, and other skill-compatible AI agents to Fliggy's travel platform for searching… | 59 | 1099 | active |
| prehisle/relay-pulse RelayPulse is a self-hosted monitoring service for LLM API relay/proxy services that probes endpoints with real token-consuming API calls a… | 80 | 1098 | active |
| aliyun/aliyun-cli The Alibaba Cloud CLI is an open-source, cross-platform command-line tool written in Go for managing Alibaba Cloud resources via its OpenAP… | 94 | 1097 | active |
| commenthol/date-holidays A JavaScript library that calculates public, bank, and observance holidays for 206 countries, their states and regions, with timezone aware… | 77 | 1097 | active |
| OpenAPITools/openapi-diff A Java-based utility that compares two OpenAPI 3.x specifications and reports the differences. It can render diffs as HTML, Markdown, Ascii… | 87 | 1095 | active |
| ncarlier/webhookd webhookd is a minimalist webhook server written in Go that exposes HTTP endpoints which trigger shell scripts or arbitrary executable proce… | 80 | 1094 | active |
| bubblelabai/BubbleLab Bubble Lab is an open-core workflow engine written in TypeScript that powers the Bubble Lab Slack-native AI operator platform. It can be ru… | 53 | 1094 | active |
| man-c/pycoingecko A Python client library wrapping the CoinGecko API v3, supporting both the free Public API and the Pro API with API key authentication. It … | 32 | 1094 | active |
| googleapis/google-cloud-dotnet Google's official .NET client libraries for Google Cloud Platform services, published as NuGet packages covering APIs like BigQuery, Storag… | 96 | 1093 | active |
| fastify/fastify-swagger A Fastify plugin that automatically generates and serves Swagger (OpenAPI v2) or OpenAPI v3 schemas from your route schemas or an existing … | 98 | 1092 | active |
| spring-projects/spring-hateoas Spring HATEOAS is a Java library that helps create REST representations following the HATEOAS principle, addressing link creation and repre… | 98 | 1091 | stable |
| github-tools/github Github.js is a minimal, higher-level JavaScript wrapper around the GitHub API, usable in the browser or Node.js with promise- or callback-b… | 23 | 3747 | maintenance |
| bitly/go-simplejson go-simplejson is a Go library for reading and manipulating arbitrary JSON with a simple, chainable API. It wraps encoding/json to make it e… | 23 | 3741 | maintenance |
| GeneralMills/pytrends Pytrends is an unofficial Python library providing a pseudo API for Google Trends, enabling automated downloading of trend reports. It wrap… | 10 | 3730 | maintenance |
| NARKOZ/gitlab A Ruby gem providing a client wrapper and CLI for the GitLab REST API, covering 60+ API modules with authentication, pagination, and object… | 73 | 1085 | active |
| zalando-incubator/graphql-jit A TypeScript library that compiles GraphQL queries into optimized JavaScript functions using V8's JIT compilation, serving as a drop-in alt… | 89 | 1084 | active |
| fxamacker/cbor A Go library for encoding and decoding CBOR (RFC 8949) and CBOR Sequences (RFC 8742) with full conformance to the IETF standard. It support… | 91 | 1081 | stable |
| dromara/jquick-curl A Java library that parses raw curl commands (copied from Postman, Apifox, or browser DevTools) into executable HTTP requests, using ANTLR … | 86 | 1081 | active |
| nasa/apod-api NASA's open-source microservice that serves the Astronomy Picture of the Day (APOD) API, returning JSON metadata and image links parsed fro… | 65 | 1080 | active |
| discord-php/DiscordPHP DiscordPHP is a PHP library wrapping the official Discord REST, gateway, and voice APIs for building bots. It runs in CLI with an event loo… | 95 | 1079 | active |
| spatie/laravel-webhook-server A Laravel package for easily configuring and sending webhooks from Laravel applications. It supports signing requests, retrying failed webh… | 91 | 1079 | stable |
| networknt/json-schema-validator A fast Java library for validating JSON and YAML documents against JSON Schema drafts v4, v6, v7, 2019-09, and 2020-12, built on the Jackso… | 95 | 1078 | active |