# Get business case

Depending on the accept header, this operation either returns a JSON business case object or the PDF document (PDF/A-3b. The returned JSON object contains one of the business case subtypes:  Bill, InstalmentBill, Reminder, CreditNote, Advice or DonationInquiry. 

Endpoint: GET /api/v1/business-cases/{businessCaseId}
Version: 1.1
Security: X-API-Key

## Path parameters:

  - `businessCaseId` (integer, required)
    business case ID :

## Response 400 fields (application/pdf):

  - `status` (integer)
    The HTTP status code generated by the origin server for this occurrence of the problem.
    Example: 400

  - `message` (string)
    A human readable explanation specific to this occurrence of the problem.
    Example: "The submitted request contains invalid or missing data which can not be processed."

  - `fieldErrors` (array)

  - `fieldErrors.fieldName` (string)
    the name of the field with the error
    Example: "localizedData.ger.address.city"

  - `fieldErrors.message` (string)
    the message describing the error
    Example: "size must be between 1 and 35"

  - `fieldErrors.rejectedValue` (string)
    the provided value which was rejected if available
    Example: "Very Long Invalid City Name Which Is Rejected"