Database.json -

You can now send a POST request to http://localhost:3000/posts using fetch in JavaScript: javascript

: JSON requires double quotes for keys and string values; single quotes will cause an error.

If you want to treat database.json like a real REST API, json-server is the standard choice. database.json

Create a database.json with an initial structure: { "posts": [] } Use code with caution. Copied to clipboard

: For larger projects, consider libraries like lowdb , which provide a safer API for interacting with local JSON files. typicode/lowdb: Simple and fast JSON database - GitHub You can now send a POST request to

fetch('http://localhost:3000/posts', { method: 'POST', headers: { 'Content-Type': 'application/json', }, body: JSON.stringify({ title: "My First Post", content: "This is some data saved to database.json!" }), }) .then(response => response.json()) .then(data => console.log('Success:', data)); Use code with caution. Copied to clipboard 2. Using Node.js (Direct File Writing)

import json new_post = {"id": 1, "title": "Hello from Python", "content": "Writing to JSON is easy!"} # Load existing data with open('database.json', 'r+') as file: db = json.load(file) db['posts'].append(new_post) # Seek to start and overwrite file.seek(0) json.dump(db, file, indent=2) Use code with caution. Copied to clipboard Best Practices for database.json Copied to clipboard : For larger projects, consider

If you aren't using a server and just want to append data to the file locally using Node.js: javascript