# Get a specific product swap by ID

Retrieves detailed information about a specific product swap automation configuration. This endpoint returns complete details about the source products, destination products, swap triggers, and all associated settings.

Response Details:
- Complete swap configuration
- Source product variants with images and quantities
- Destination product variants with images and quantities
- Billing cycle triggers and conditions
- Discount carry-forward settings
- Email notification preferences
- Swap status and history

Source and Destination Variants:
Both source and destination variants are returned as JSON strings containing:
- Variant ID
- Display name/title
- Product image URL
- Quantity to swap
- Product metadata

Swap Timing:
- forBillingCycle: If set, swap occurs at this specific cycle number
- checkForEveryRecurringOrder: If true, swap happens on every order
- updatedFirstOrder: If true, can affect the initial subscription order

Discount Handling:
- NONE: No discount carried forward
- PERCENTAGE: Percentage discount is maintained
- FIXED_AMOUNT: Fixed amount discount is maintained
- PRICE: Specific price point is maintained

Authentication: Requires valid X-API-Key header

Endpoint: GET /api/external/v2/product-swaps/{id}
Version: 0.0.1

## Header parameters:

  - `X-API-Key` (string)

## Path parameters:

  - `id` (integer, required)

## Response 200 fields (application/json):

  - `id` (integer)

  - `shop` (string, required)

  - `sourceVariants` (string)

  - `destinationVariants` (string)

  - `updatedFirstOrder` (boolean)

  - `checkForEveryRecurringOrder` (boolean)

  - `name` (string)

  - `changeNextOrderDateBy` (integer)

  - `forBillingCycle` (integer)

  - `carryDiscountForward` (boolean)

  - `ruleSequence` (integer)

  - `stopSwapEmails` (boolean)

  - `discountCarryForward` (string)
    Enum: "NONE", "EXISTING_PLAN", "PRODUCT_PLAN", "PRODUCT_THEN_EXISTING"


## Response 400 fields

## Response 401 fields

## Response 403 fields

## Response 404 fields