# Get session

Retrieves session details by ID.

Endpoint: GET /ipp/v1/sessions/{session_id}
Version: 1.0.0

## Path parameters:

  - `session_id` (string, required)

## Response 200 fields (application/json):

  - `session_id` (string)
    Unique session identifier.
    Example: "550e8400-e29b-41d4-a716-446655440000"

  - `status` (string)
    Current session status.
    Enum: "CREATED", "ACTIVE", "FINALIZED", "CANCELLED", "EXPIRED", "FAILED"

  - `device_id` (string)
    Device ID handling the session.
    Example: "660e8400-e29b-41d4-a716-446655440001"

  - `order_id` (string)
    Order ID once created.
    Example: "770e8400-e29b-41d4-a716-446655440002"

  - `order_amount` (integer)
    Total order amount in minor units.
    Example: 2000

  - `purchase_currency` (string)
    Currency code (ISO 4217).
    Example: "SEK"

  - `purchase_started_at` (string)
    Timestamp when the purchase started.
    Example: "2024-01-15T10:30:00Z"

  - `purchase_completed_at` (string)
    Timestamp when the purchase was completed.
    Example: "2024-01-15T10:35:00Z"

  - `order_items` (array)
    List of line items in the order.

  - `order_items.type` (string)
    Type of the line item.
    Enum: "physical", "discount"

  - `order_items.reference` (string)
    External reference ID for the item (e.g., SKU).
    Example: "SKU-12345"

  - `order_items.name` (string, required)
    Name or description of the item.
    Example: "T-Shirt"

  - `order_items.quantity` (integer)
    Quantity of the item.
    Example: 2

  - `order_items.unit_price` (integer, required)
    Unit price in minor units (e.g., cents).
    Example: 1000

  - `order_items.total_amount` (integer, required)
    Total amount for this line in minor units.
    Example: 2000

  - `order_items.tax_rate` (integer, required)
    Tax rate in basis points (e.g., 2500 for 25%).
    Example: 2500

  - `order_items.total_discount_amount` (integer)
    Total discount amount in minor units.
    Example: 200

  - `order_items.total_tax_amount` (integer, required)
    Total tax amount for this line in minor units.
    Example: 400

  - `merchant_reference1` (string)
    First merchant reference.
    Example: "ORDER-12345"

  - `merchant_reference2` (string)
    Second merchant reference.
    Example: "REF-67890"

  - `order_tax_amount` (integer)
    Total tax amount in minor units.
    Example: 400

  - `merchant_data` (string)
    Arbitrary merchant data.
    Example: {"customer_id":"C123"}

  - `created_at` (string)
    Timestamp when the session was created.
    Example: "2024-01-15T10:30:00Z"

  - `expires_at` (string)
    Timestamp when the session expires.
    Example: "2024-01-15T11:30:00Z"

  - `updated_at` (string)
    Timestamp when the session was last updated.
    Example: "2024-01-15T10:35:00Z"


## Response 401 fields

## Response 404 fields