Endpoints v1
Estonia:    https://aktiva.merit.ee/api/v1/getinvoice
Poland:     https://program.360ksiegowosc.pl/api/v1/getinvoice
Endpoints v2
Estonia:    https://aktiva.merit.ee/api/v2/getinvoice
Poland:     https://program.360ksiegowosc.pl/api/v2/getinvoice 
Query Payload
{ 
   "Id":  "xxxxxxxx-xxxx-Mxxx-Nxxx-xxxxxxxxxxxx",
   "AddAttachment": true/false
}
The result, if
not empty:
| 
  Field
  Name
   | 
  Type
   | 
  Comment
   | 
| 
  Header
   | 
  SalesHeader object
   | 
   
   | 
| 
  Lines 
   | 
  Array of Line objects
   | 
   
   | 
| 
  Payments
   | 
  Array of Payment objects
   | 
   
   | 
| 
  Allocations
   | 
  Project and Cost Center
  allocations (if existing)
   | 
   
   | 
 
 | 
  Field
  Name
   | 
  Comment
   | 
 | 
  SIHId
   | 
   
   | 
 |    DepartmentCode |  | 
 | 
  DepartmentName
  
   | 
   
   | 
 | 
  ProjectCode
  
   | 
   
   | 
 | 
  ProjectName
  
   | 
   
   | 
 | 
  BatchInfo
  
   | 
  GL transaction code and #
   | 
 | 
  InvoiceNo
  
   | 
   
   | 
 | 
   DocumentDate 
   | 
   
   | 
 | 
  TransactionDate
  
   | 
   
   | 
 | 
  CustomerName
  
   | 
   
   | 
 | 
  HComment
  
   | 
   
   | 
 | 
  FComment
  
   | 
   
   | 
 | 
  DueDate
  
   | 
   
   | 
 | 
  CurrencyCode
  
   | 
   
   | 
 | 
  CurrencyRate
  
   | 
   
   | 
 | 
  TaxAmount
  
   | 
  VAT amount
   | 
 | 
  RoundingAmount
  
   | 
   
   | 
 | 
  TotalAmount
  
   | 
  Amount wo. VAT
   | 
 | 
  ProfitAmount
  
   | 
  Margin amount
   | 
 | 
  TotalSum
  
   | 
  Total amount with taxes and
  rounding
   | 
 | 
  UserName
  
   | 
   
   | 
 | 
  ReferenceNo
  
   | 
   
   | 
 | 
  PriceInclVat
  
   | 
   
   | 
 | 
  VatRegNo
  
   | 
   
   | 
 |    OfferId |  | 
 |    OfferDocType |  | 
 |    OfferNo |  | 
 |    FileName | Str | 
 |    FileContent | File in base64 | 
 |    PerSHId  |  | 
 |    ContractNo  |  | 
 
InvoiceRowObject
| 
  Field
  Name
   | 
  Comment
   | 
| 
  ArticleCode
  
   | 
   
   | 
| 
  LocationCode
  
   | 
   
   | 
| 
  Quantity        
   | 
   
   | 
| 
  Price
  
   | 
   
   | 
| 
  TaxName
  
   | 
   
   | 
| 
  TaxPct       
   | 
   
   | 
| 
  AmountExclVat
  
   | 
   
   | 
| 
  AmountInclVat
  
   | 
   
   | 
| 
  VatAmount
  
   | 
   
   | 
| 
  AccountCode
  
   | 
   
   | 
|    DepartmentCode |  | 
| 
  DepartmentName
  
   | 
   
   | 
| 
  ItemCostAmount
  
   | 
   
   | 
| 
  ProfitAmount
   | 
   
   | 
| 
  DiscountPct
  
   | 
   
   | 
| 
  DicountAmount
  
   | 
   
   | 
| 
  Description
  
   | 
   
   | 
| 
  UOMName      
   | 
   
   | 
| 
  FixAsset
  
   | 
   
   | 
| 
  ProjectAllocation
   | 
  Array(CostAllocation)
   | 
| 
  CostCenterAllocation
   | 
  Array(CostAllocation)
   | 
 
PaymentObject
| 
  Field
  Name
   | 
  Comment
   | 
| 
  PaymDate
   | 
   
   | 
|    Amount       | 
   
   | 
|    PaymentMethod |  | 
|    PaymentId |  | 
 
CostAllocationObject
| 
  Field
  Name
   | 
  Comment
   | 
| 
  Code
   | 
  Code of project / cost center
   | 
| 
  AllocPct
  
   | 
  Allocation percentage
   | 
| 
  AllocAmount
   | 
  Allocation amount
   | 
 
Successful result v2
Invoice header object
| Field | Type | Comment | 
|---|
| Dimensions | Array of Dmensions Objects |  | 
| SIHId | Guid |  | 
| DepartmentCode | Str |  | 
| DepartmentName | Str |  | 
| ProjectCode | Str |  | 
| ProjectName | Str |  | 
| AccountingDock |  |  | 
| BatchInfo | Str |  | 
| InvoiceNo | Str |  | 
| DocumentDate | Date |  | 
| TransactionDate | Date |  | 
| CustomerId | Guid |  | 
| CustomerName | Str |  | 
| CustomerRegNo | Str |  | 
| HComment | Str |  | 
| FComment | Str |  | 
| DueDate | Date |  | 
| CurrencyCode | Str |  | 
| CurrencyRate | Dec |  | 
| TaxAmount | Dec |  | 
| RoundingAmount | Dec |  | 
| TotalAmount | Dec |  | 
| ProfitAmount | Dec |  | 
| TotalSum | Dec |  | 
| UserName | Str |  | 
| ReferenceNo | Str |  | 
| PriceInclVat | Bool | true/false | 
| VatRegNo | Str |  | 
| PaidAmount | Dec |  | 
| EInvSent | Bool | true/false | 
| EmailSent | Date |  | 
| EInvOperator | Int |  1 – Not exist, 2 – E-invoices to the bank through Omniva, 3 – Bank ( full extent E-invoice), 4- Bank (limited extent E-invoice)  | 
| OfferId | Guid |  | 
| OfferDocType | Int |   1=quote, 2=sales order, 3=prepayment invoice  | 
| OfferNo | Str |  | 
| FileExists | Bool | true/false | 
| PerSHId | Guid |  | 
| ContractNo | Str |  | 
| Paid | Bool |  | 
| Contact | Str |  | 
 
DimensionsObject
| Field | Type | Comment | 
|---|
| DimId | Str |  | 
| DimValueId | Guid |  | 
| DimCode | Str |  | 
 
InvoiceRowObject
| Field | Type | Comment | 
|---|
| SILId | Guid |  | 
| ArticleCode | Str |  | 
| LocationCode | Str |  | 
| Quantity | Dec |  | 
| Price | Dec |  | 
| TaxId | Guid |  | 
| TaxName | Str |  | 
| TaxPct | Dec |  | 
| AmountExclVat | Dec |  | 
| AmountInclVat | Dec |  | 
| VatAmount | Dec |  | 
| AccountCode | Str |  | 
| DepartmentCode | Str |  | 
| DepartmentName | Str |  | 
| ItemCostAmount | Dec |  | 
| ProfitAmount | Dec |  | 
| DiscountPct | Dec |  | 
| DiscountAmount | Dec |  | 
| Description | Str |  | 
| UOMName | Str |  | 
| FixAsset | Bool | true/false | 
| DimAllocation | Array of Dimensions Allocation Objects |  | 
| StorLifeDate | Date |  | 
| BatchNo | Str |  | 
 
DimensionsAllocationObject
| Field | Type | Comment | 
|---|
| DimId | Str |  | 
| Code | Str |  | 
| AllocPct | Dec |  | 
| AllocAmount | Dec |  | 
 
PaymentObject
| Field | Type | Comment | 
|---|
|  PaymDate  | Date |  | 
|  Amount  | Dec |  | 
|  PaymentMethod  | Str |  | 
|  PaymentId  | Guid |  | 
 
AttachmentObject
| Field | Type  | Comment | 
|---|
| Filename | Str |  | 
| FileContent | Str | File in base64 |