api-aggregation

EvoLink.ai - One Key, All AI Models

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.

🔍 Detect API model dilution and fingerprint which LLM is actually running behind any OpenAI-compatible or Anthropic endpoint

REST DTO aggregation for Spring Boot BFFs: declarative cross-service hydration with YAML resolver profiles, request-local de-duplication, and optional batching.

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.

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

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

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

A prototype that uses graphql for aggregating three different RESTful endpoints

Esercizio L32 – AI Coding Upskilling: modernizzazione di una dashboard di supporto, riducendo il flusso legacy da 25 richieste a un’unica API server-side.

OpenAI-compatible examples for DeepSeek, Qwen, GLM, Claude, GPT, and ModelPort Global

Practical guide to AI API aggregation across domestic and global models

🎟️ 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).

Whendarr is an open source, self hosted calendar that aggregates release data from *arr services into a simple monthly interface.

A simple backend for front-end demo

Node/Express service aggregating credit data from three upstream APIs into one response per lookup — SQLite cache-aside, parallel fetching, and Jest + Cypress tests.

ODDE Search - A modern meta search engine that unifies web, news, and images into one intelligent search experience.

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.