Free System Design API
The System Design API provides complex architectural interview scenarios (e.g., 'Design YouTube', 'Design a URL Shortener'). Use it to build interview prep apps for senior engineers.
What is a REST API?
An API (Application Programming Interface) allows two software programs to communicate. A REST API uses standard HTTP requests like GET (to read data), POST (to create data), PUT (to update), and DELETE (to remove).
When you send a request to our https://techidea.online/api/v1/system-design endpoint, our server responds with a JSON (JavaScript Object Notation) array containing data. You can then display this data in your frontend React, Next.js, or mobile applications.
Developer Features
Pagination
Use ?limit=10&page=2
Filtering
Use ?search=keyword
Sorting
Use ?sort=id&order=asc
Code Examples
fetch('https://api.example.com/v1/system-design').then(r => r.json()).then(console.log);Sample Response
{
"items": [
{
"id": "sd-1",
"topic": "Design a Ride Sharing System",
"difficulty": "Hard",
"keyComponents": ["Load Balancer", "WebSockets", "Geospatial DB"]
}
]
}What to Build (Project Ideas)
System Design Prep Platform
A study app providing daily system design challenges and solution outlines.
Implementation Steps
- 1. Create a React app with a markdown renderer.
- 2. Fetch a random topic from the System Design API.
- 3. Display the prompt and a timer for the user to practice.
Frequently Asked Questions
Are architectural diagrams included?
Currently, only textual component lists and solution outlines are provided.
Continue Learning
Use these resources to deepen your understanding of API integration and build portfolio-worthy projects.