JSON Composition for inbound invoice inquiry:

{
    *"auth" : key obtained in get/auth method
    *,"invoice" :
        {
            "key" : invoice key (*1)
            ,"number" : invoice number
            ,"serial" : invoice serial number
        }
}

*1 - if the key is provided, it is not necessary to inform number and serial

Returns with:
{
    "code" : integer – system execution code
    ,"message" : text – "OK" message or error details
    ,"id": integer – internal invoice number
    ,"detail" : object
         {
              "dh" : event date and time
             ,"supplier": issuer name
             ,"supplierdocument": issuer CNPJ
             ,"number": fiscal invoice number
             ,"serie": fiscal invoice series
             ,"key": fiscal invoice key
             ,"code" : event code
             ,"message" : event description
         }
    ,"historical" : object
        [
            {
                "noteIssued" : invoice creation date/time
                ,"included" : date/time record was created on the platform
                ,"processing" : date/time document was sent to wms for processing
                ,"internalized" : date/time wms returned the internalized invoice OK
            }
        ]
    ,"items" : object
        [
            "sku" : sku registered in oms
            ,"sku_nf" : sku received in the inbound invoice
            ,"qtdade" : valid quantity (q.nf - (q.missing + q.damage)
            ,"qavaria" : quantity of damaged items
            ,"qfaltante" : quantity of missing items
            ,"lote" : object with batch data
                [
                    "lote" : batch number
                    ,"fabricacao" : dd/mm/yyyy
                    ,"validade" : dd/mm/yyyy 
                    ,"quantidade" : quantity
                ]
            ,"seriais" : vector containing received serials
            ,"ocorrencias" : object containing occurrences vector
                [
                	{
                		"tipo" : text containing the type of occurrence
                		,"quantidade" : quantity of items in the occurrence
                		,"series" : vector containing list of serials
                		,"lotes" : vector containing list of batches
                	}
                ]
        ]
}

code
200: request processed successfully
400: fiscal invoice contained errors, check "message" tag
401: invoice already in the system
402: invalid received data - json
404: invoice not found
500: invalid auth
501: user unauthorized to insert purchase invoice
502: client blocked

code / detail
0: invoice received waiting for processing
1: invoice being processed in wms
3: invoice rejected
4: invoice internalized