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GET
/
accounting
/
openItems
cURL
curl --request GET \
  --url https://api.maesn.dev/accounting/openItems \
  --header 'X-ACCOUNT-KEY: <x-account-key>' \
  --header 'X-API-KEY: <x-api-key>'
{
  "meta": {
    "warnings": [
      "Field not used by target system"
    ],
    "pagination": {
      "total": 123,
      "perPage": 123,
      "currentPage": 123,
      "totalPages": 123
    }
  },
  "data": [
    {
      "id": "8df2df10-0fae-40ad-9d22-f25e5ab0ba23",
      "accountNumber": "100100000",
      "createdDate": "2025-06-01T00:00:00Z",
      "currency": "EUR",
      "documentNumber": "INV-1",
      "entries": [
        {
          "amount": 1000,
          "currency": "EUR",
          "debitCreditIndicator": "DEBIT",
          "description": "Hotel stay",
          "dueDate": "2025-06-21T00:00:00Z",
          "postingDate": "2025-06-01T00:00:00Z"
        }
      ],
      "openBalance": {
        "amount": 1000,
        "debitCreditIndicator": "DEBIT"
      },
      "postingDate": "2025-06-01T00:00:00Z",
      "totalCreditAmount": 0,
      "totalDebitAmount": 1000,
      "updatedDate": "2025-06-12T00:00:00Z"
    }
  ]
}

Field support per integration

This endpoint is currently available only during the pilot phase of DATEV Rechnungswesen. For details, see the Pilot phase section
The query parameter fiscalYear is required and must be a valid year.
If you’re not using the Interactive Authentication Flow, make sure the query parameter companyId is correctly populated.
Supported filters:
  • accountNumber
  • documentNumber
Support pagination: trueSupport rawData: true
Supported Response Fields:
accountNumber
string
documentNumber
string
entries
Entry[]
The list of posting entries associated with the document number and account number.
openBalance
Balance
postingDate
string
totalCreditAmount
number
totalDebitAmount
number

Headers

X-API-KEY
string
required

API key

X-ACCOUNT-KEY
string
required

Account key

Query Parameters

page
number
limit
enum<number>
Available options:
5,
10,
20,
50,
100
companyId
string
environmentName
string
fiscalYear
number
accountNumber
string
documentNumber
string
lastModifiedAt
number
rawData
boolean

Response

200 - application/json
meta
object
data
object[]
I