# Get transaction

Returns a single Transaction by its unique identifier.

Endpoint: GET /site/{siteId}/ahds/v1/transaction/{transactionId}
Version: 1.0
Security: bearer

## Path parameters:

  - `siteId` (number, required)
    Site identifier

  - `transactionId` (string, required)
    Transaction unique identifier (UUID)

## Response 200 fields (application/json):

  - `createdAt` (string, required)
    Timestamp when the transaction record was created.
    Example: "2025-01-01T00:00:00.000Z"

  - `extensions` (object, required)
    Vendor- or practice-specific extensions.

  - `externalId` (string, required)
    External system identifier for the transaction.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `externalReference` (string, required)
    External reference string associated with the transaction.

  - `integrationName` (string, required)
    Name of the external integration or gateway handling the transaction.

  - `isActive` (boolean, required)
    Indicates whether the transaction record is active.

  - `ownershipId` (string, required)
    Identifier for the owning organization or tenant.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `paymentId` (string, required)
    Identifier of the related payment resource, if any.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `status` (string, required)
    Current status of the transaction.
    Enum: "declined", "accepted", "canceled", "captured", "initiated", "error"

  - `transactionId` (string, required)
    Canonical identifier for the transaction.
    Example: "123e4567-e89b-12d3-a456-426614174000"

  - `updatedAt` (string, required)
    Timestamp when the transaction record was last updated.
    Example: "2025-01-01T00:00:00.000Z"


## Response 401 fields

## Response 404 fields