Unique case identifier assigned to the dispute

Specifies the desired document format to return. The allowed valid values are 'application/xml', 'application/pdf', 'image/tif', 'image/tiff', 'image/jpg', 'image/jpeg', 'application/msword', 'application/vnd.openxmlformats-officedocument.wordprocessingml.document', 'convert/xmltojson' and the value shown in example. To retrieve the document regardless of its stored format, set this field to the value as shown in example. If a specific format is provided, the API will return the document only if it matches that format; otherwise no document is returned. If the document is in XML format and to request conversion from XML to JSON, set the value to 'convert/xmltojson'.

Institution number (8-digit number) associated with the merchant. This information defines the acquirer for the merchant. If a consumer is granted access to this API for multiple institutions, this field must be populated. If access is for only one institution, the API will automatically determine this value, making it optional for the client.