curl --request POST \
  --url https://api.prod.commenda.io/api/v1/filings/contributions \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "filing_ids": [
    "3c90c3cc-0d44-4b50-8888-8dd25736052a"
  ]
}
'

{
  "data": {
    "filings": [
      {
        "filing_id": "f1e2d3c4-b5a6-7890-abcd-ef1234567890",
        "form_title": "VAT Return",
        "jurisdiction": "Germany",
        "tax_period_start_date": "2025-01-01",
        "tax_period_end_date": "2025-03-31",
        "due_date": "2025-04-30",
        "filing_status": "UPCOMING",
        "contributions": [
          {
            "id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890",
            "filing_id": "f1e2d3c4-b5a6-7890-abcd-ef1234567890",
            "filing_contribution_id": "REG_COUNTRY_DE_3018_VAT_01_01",
            "filing_through_jurisdiction": "COUNTRY_DE_3018",
            "value": 12345,
            "value_type": "INTEGER",
            "box_id": "DE_81",
            "box_name": "Steuerpflichtige Umsätze",
            "box_order": 1,
            "box_type": "OUTPUT",
            "created_at": 1713168000000000,
            "updated_at": 1713168000000000
          }
        ]
      }
    ]
  },
  "message": "Successfully fetched filing contributions."
}