Public APIs

API Ninjas is a company that provides a collection of simple, single-purpose RESTful APIs for developers (examples include jokes, quotes, geocoding, email validation, and weather). Its services are accessed via API keys and are offered on a commercial (including freemium) basis for integrating common utilities into applications.

PublicWWW is a web source-code search engine that indexes HTML, JavaScript and other client-side code so users can find websites by code snippets, tags, analytics, trackers and technologies. It is operated as PublicWWW and is commonly used for digital marketing and affiliate research, competitive analysis, and security or developer research.

OpenAI API is a cloud service that provides access to OpenAI's AI models, enabling developers to integrate language processing capabilities into applications. It is used for tasks such as generating text, building chatbots, and orchestrating context and model selection. The API is commonly employed as a backend for various AI-powered tools and services.

Open-Meteo is an open-source weather API providing forecast, current-condition, and historical weather data through HTTP GET requests that return JSON. It aggregates more than 30 weather models from national weather services, normalises outputs to hourly resolution, and supports historical datasets including ERA5 reanalysis, historical forecasts, previous model runs, and archived individual runs. The API requires no authentication for non-commercial use, and its data is licensed under CC BY 4.0; the server code is available under the AGPLv3 license for self-hosting.

An API for accessing GitHub data and operations. In the cited experiment, it was used to fetch open pull requests for bulk auditing; the video notes a rate limit of 5,000 requests per hour.