# HTTP Request

# HTTP Request Guide

Understand how to construct and execute HTTP requests against the Back Office API.

## Request Methods

- **GET**: Retrieve resources
- **POST**: Create new resources
- **PUT**: Update existing resources
- **DELETE**: Remove resources

## Headers

All requests must include:

```
Authorization: Bearer {access_token}
Content-Type: application/json
```

## Query Parameters

Many endpoints support pagination and filtering:

- `limit`: Number of items to return (default: 20, max: 100)
- `offset`: Number of items to skip (default: 0)
- `status`: Filter by status field
- `startDate`: Filter by start date
- `endDate`: Filter by end date

## Response Format

Successful responses return JSON with appropriate HTTP status codes:

- 200: OK (GET, PUT)
- 201: Created (POST)
- 400: Bad Request
- 401: Unauthorized
- 404: Not Found
- 500: Internal Server Error