modbender MockAPI
Create a REST API from a JSON file. Perfect for frontend development, testing, prototyping.
Installation
npm install -g @lxgicstudios/mockapi
Quick Start
# Create example db.json
npx @lxgicstudios/mockapi --init
# Start server
npx @lxgicstudios/mockapi db.json
Data File Format
Create db.json:
{
"users": [
{ "id": 1, "name": "Alice", "email": "alice@example.com" },
{ "id": 2, "name": "Bob", "email": "bob@example.com" }
],
"posts": [
{ "id": 1, "title": "Hello", "body": "Content", "userId": 1 }
]
}
Generated Routes
For each resource (users, posts):
| Method | Route | Description |
|---|---|---|
| GET | /users | List all |
| GET | /users/:id | Get by id |
| POST | /users | Create |
| PUT | /users/:id | Replace |
| PATCH | /users/:id | Update |
| DELETE | /users/:id | Delete |
Query Parameters
# Filter
GET /users?name=Alice
# Pagination
GET /users?_page=1&_limit=10
# Sort
GET /users?_sort=name&_order=asc
Options
| Option | Description |
|---|---|
-p, --port |
Port (default: 3001) |
-d, --delay |
Response delay in ms |
-w, --watch |
Watch file for changes |
-r, --readonly |
Disable mutations |
--init |
Create example db.json |
Common Use Cases
Frontend development:
npx @lxgicstudios/mockapi db.json --watch
Demo with delay:
npx @lxgicstudios/mockapi db.json --delay 500
Read-only API:
npx @lxgicstudios/mockapi db.json --readonly
Features
- Full CRUD operations
- Automatic ID generation
- Filtering and pagination
- Sorting
- CORS enabled
- Hot reload with --watch
- Persistent changes to JSON
Built by LXGIC Studios