curl -i -X PUT https://int-live.moneydesktop.com/{client_id}/users/{user_id}/members/{member_id}/accounts/{account_id}/transactions/{transaction_id}/remap_id.json \
-H 'Content-Type: application/vnd.moneydesktop.mdx.v5+json' \
-H 'Accept: application/vnd.moneydesktop.mdx.v5+json' \
-H 'MD-API-KEY: {api_key}' \
  -d '{
        "transaction": {
          "id": "A-2345"
        }
      }'

{
  "transaction": {
    "account_guid": "ACT-a341b026-635c-8318-002c-9f3a58b0eff8",
    "account_id": "A-XZ5Y4L",
    "amount": 8.2,
    "category": "GAS",
    "category_guid": "CAT-7829f71c-2e8c-afa5-2f55-fa3634b89874",
    "category_name": "Gas",
    "check_image": "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAUAAAAFCAYAAACNbyblAAAAHElEQVQI12P4//8/w38GIAXDIBKE0DHxgljNBAAO9TXL0Y4OHwAAAABJRU5ErkJggg==",
    "check_number": "9543",
    "currency_code": null,
    "description": "Costco (Gas)",
    "guid": "TRN-cd2987fe-9afb-e912-a5e3-2eaabb866e43",
    "id": "T-3QP5X0",
    "is_international": false,
    "latitude": "40.429675",
    "localized_description": null,
    "localized_memo": null,
    "longitude": "-111.891982",
    "member_guid": "MBR-3e4f6897-06ae-e08a-29b2-27d62e574978",
    "member_id": "M-39XBF7",
    "memo": "POS Purchase",
    "merchant_category_code": null,
    "merchant_guid": "MCH-bcd4eed1-f341-b7bb-4cbd-e2a854205306",
    "merchant_location_guid": null,
    "metadata": null,
    "posted_at": 1382961600,
    "posted_on": "2013-10-28",
    "running_balance": 345.45,
    "status": "POSTED",
    "transacted_at": 1382961600,
    "transacted_on": "2013-10-28",
    "type": "DEBIT",
    "user_guid": "USR-fe9bb059-67c4-0e6b-e8cd-3fa00b2b5735",
    "user_id": "U-39XBF7"
  }
}