JSONPlaceholder

JSONPlaceholder is a free, reliable online REST API designed for testing, prototyping, and educational purposes. It provides standard endpoints for common resources such as posts, comments, albums, photos, todos, and users with realistic relationships. It supports all standard HTTP methods including GET, POST, PUT, PATCH, and DELETE. Developers frequently use it for README examples, CodeSandbox demos, Stack Overflow snippets, and local frontend testing.