# Transaction

Type: object

Schema: [Transaction](https://sourcey-firefly.pages.dev/api/models/transaction/index.md)

- `created_at` (optional)
  Type: string, date-time
  
  readOnly: true
  
  Example:
  
  ```json
  "2026-10-01T00:00:00+00:00"
  ```

- `updated_at` (optional)
  Type: string, date-time
  
  readOnly: true
  
  Example:
  
  ```json
  "2026-10-01T00:00:00+00:00"
  ```

- `user` (optional)
  Type: string, string
  
  User ID
  
  readOnly: true
  
  Example:
  
  ```json
  "3"
  ```

- `group_title` (optional)
  Type: string, string; nullable
  
  Title of the transaction if it has been split in more than one piece. Empty otherwise.
  
  Example:
  
  ```json
  "Split transaction title."
  ```

- `transactions` (required)
  Type: array
  
  Items:
    Reference: [TransactionSplit](https://sourcey-firefly.pages.dev/api/models/transactionsplit/index.md); Type: object