Public APIs — independent third-party profile of a public API surface, by API Evangelist. Public APIs is a community-curated collective list of over 1,400 free APIs organized across 50+ categories, maintained by contributors and the team at APILayer. It is one of the most popular open-source projects on GitHub with over 400k stars.
EvoLink.ai - One Key, All AI Models
🔍 Detect API model dilution and fingerprint which LLM is actually running behind any OpenAI-compatible or Anthropic endpoint
Kubernetes aggregated API server that serves CRDs and their custom resources out of a kcp workspace — the objects live in kcp's etcd, not your cluster's.
REST DTO aggregation for Spring Boot BFFs: declarative cross-service hydration with YAML resolver profiles, request-local de-duplication, and optional batching.
APIs.io — independent third-party profile of a public API surface, by API Evangelist. APIs.io is an open source API search engine and directory that uses APIs.json files to discover, index, and catalog APIs across the web. Built on the APIs.json specification, it provides a searchable entry point for developers to find public APIs by keyword, resou
Node.js demo showing parallel API aggregation, advanced async patterns, error handling, and production-ready wrappers using Promises and async/await.
Multi-source IP reputation checker that names which providers actually answered — FastAPI + ipapi.is / IPinfo / AbuseIPDB / IPQualityScore
kubernetes CRD pattern tutorial and sample
API Harmony — independent third-party profile of a public API surface, by API Evangelist. API Harmony was an API discovery and recommendation tool from IBM Research that used graph-based search, machine learning, and cognitive technologies to help developers find, compare, and select compatible APIs. It was offered as a cloud service on IBM Bluemix
Esercizio L32 – AI Coding Upskilling: modernizzazione di una dashboard di supporto, riducendo il flusso legacy da 25 richieste a un’unica API server-side.
Practical guide to AI API aggregation across domestic and global models
A prototype that uses graphql for aggregating three different RESTful endpoints
精选大语言模型API资源列表 | Awesome LLM API Resources | 涵盖OpenAI/Claude/Gemini/国产大模型全对比
🎟️ Event Scheduler - learning project that simulates a microservices-based event management platform with ticketing, feedback, promo codes, gRPC aggregation, and modern architecture (DDD, CQRS, Redis, MSSQL, Docker).
OpenAI-compatible examples for DeepSeek, Qwen, GLM, Claude, GPT, and ModelPort Global
A simple backend for front-end demo
Production-grade travel aggregation API — FastAPI, async SQLAlchemy, resilient provider adapters, JWT/RBAC, structured logging, 90%+ tested.
An index and topic collection covering API aggregation, marketplaces, directories, unified APIs, and catalog platforms. API aggregation brings together multiple APIs under a single interface, simplifying integration, reducing maintenance overhead, and enabling consistent authentication and data normalization across disparate services.
Whendarr is an open source, self hosted calendar that aggregates release data from *arr services into a simple monthly interface.
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