Headers

• WEAL-TOKEN Required

  API token (can be retrieved from account settings)

• TARGET-ORGANIZATION-ID

  ID of organization, for which the operation must be performed

Query parameters

• id string

  Late notice ID filter.
  
  Multi-value supported. Example: value1;value2
  
  

• salesInvoiceNumber string

  Sales invoice number filter

• currencyId string

  Currency ID filter.
  
  Multi-value supported. Example: value1;value2
  
  

• overdueAmount string

  Overdue amount filter.Supports comparison operators:

  • Range ( .. )
  • Greater than ( > )
  • Greater than or equal ( >= )
  • Less than ( < )
  • Less than or equal ( <= )
  • Not equal ( <> )

  Examples:

  • <=100.00
  • >=100.00
  • <>100.00
  • 100.00..200.00

  Use <>0 to return only records where the selected amount is not equal to zero.
  
  

• noticeGeneratedQuantity integer(int32)

  Number of late notices already generated for this invoice

• lastNoticeGeneratedDate string(date)

  Last late notice generation date filter.Supports comparison operators:

  • Range ( .. )
  • Greater than ( > )
  • Greater than or equal ( >= )
  • Less than ( < )
  • Less than or equal ( <= )
  • Not equal ( <> )

  Examples:

  • 01/01/2026..31/12/2026
  • >=01/01/2026
  • <=01/01/2026
  • <>01/01/2026

  Use <>01/01/2026 to return only records where the selected date is not equal to the filter date.
  
  

• clientContactId string

  Client contact ID filter.
  
  Multi-value supported. Example: value1;value2
  
  

• overdueDate string(date)

  Overdue date filter.
  
  Supports comparison operators:

  • Range ( .. )
  • Greater than ( > )
  • Greater than or equal ( >= )
  • Less than ( < )
  • Less than or equal ( <= )
  • Not equal ( <> )

  Examples:

  • 01/01/2026..31/12/2026
  • >=01/01/2026
  • <=01/01/2026
  • <>01/01/2026

  Use <>01/01/2026 to return only records where the selected date is not equal to the filter date.
  
  

• daysOverdue integer(int32)

  Number of days overdue filter

• bvrGenerationAvailability boolean

  Whether QR-bill generation is available for the invoice

• clientEmail string

  Client email filter

• clientECorrespondence boolean

  Whether the client uses e-correspondence

• clientLateNoticeEmail string

  Client's late notice email address filter

• clientName string

  Client name filter (free text)

Responses

• 200 application/json

  OK
• 400

  400 Bad Request

• 401

  401 Unauthorized

• 403

  403 Access Denied

• 404

  404 Not Found

• 500

  500 Internal Server Error