POST /auth/login
Content-Type: application/json

{
  "email": "[email protected]",
  "password": "your_password"
}

{
  "access_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "refresh_token": "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...",
  "expires_in": 3600
}

GET /api/v1/products
Authorization: Bearer eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9...

https://api.mstore.com/v1/products
https://api.mstore.com/v2/products

{
  "success": true,
  "data": {
    "id": "123",
    "name": "Product Name"
  },
  "meta": {
    "timestamp": "2024-01-01T00:00:00Z",
    "request_id": "req_abc123"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid input parameters",
    "details": [
      {
        "field": "email",
        "message": "Email is required"
      }
    ]
  },
  "meta": {
    "timestamp": "2024-01-01T00:00:00Z",
    "request_id": "req_abc123"
  }
}

X-RateLimit-Limit: 60
X-RateLimit-Remaining: 45
X-RateLimit-Reset: 1640995200

GET /api/v1/products?page=1&limit=20

{
  "data": [...],
  "meta": {
    "page": 1,
    "limit": 20,
    "total": 150,
    "total_pages": 8
  }
}

GET /api/v1/products?category=electronics&status=active

GET /api/v1/products?sort=-created_at,name

X-Merchant-ID: merchant_abc123