Node.js demo showing parallel API aggregation, advanced async patterns, error handling, and production-ready wrappers using Promises and async/await.

kubernetes CRD pattern tutorial and sample

A prototype that uses graphql for aggregating three different RESTful endpoints

Tray.io (now also known as Tray.ai) is an AI-ready integration platform as a service (iPaaS) that enables businesses to integrate and automate workflows across cloud applications using a visual editor, pre-built connectors, and API-level access.

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.

🎟️ 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).

A simple backend for front-end demo

Finverse is a unified open finance API platform providing aggregated access to banking data, payments, and financial services across Asia-Pacific. Often described as the Plaid for Asia, it connects to over 40 banks across Hong Kong, Singapore, Philippines, Vietnam, and other Southeast Asian markets.

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

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 and has since been discontinued.

APIs.json is an open, machine-readable specification that API providers can use to describe their API operations, similar to how websites use sitemap.xml.

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.

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, resource, action, persona, domain, and schema.

DigitalAPI is an API catalog, marketplace, and management platform that unifies APIs across multiple gateways into a single searchable catalog with governance, discovery, access control, and analytics.

ProgrammableWeb was the original API directory and developer resource, founded by John Musser in 2005, documenting over 19,000 open web APIs and thousands of mashups and applications over 17 years of operation.

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