AI Placeholder is a free API tool that generates dummy data for testing and prototyping. It uses OpenAI's GPT-3.5-Turbo Model API to generate fake content, and allows users to specify the type and number of records they want to retrieve. The tool can be used for a variety of purposes, such as generating a list of forum users, or a list of CRM sales deals with deal size more than 10k. The API can be directly used or self-hosted.