Lithuanian Data Portal documentation

How to find, understand and get the portal’s data — in the browser, through the API or with an AI assistant.

2025Lithuania 6.1births per 1,000 residents

Data: crude birth rate ↗Borders © OpenStreetMap

Choose a section

Three ways in

Clicking through the portal, calling the API or asking an AI assistant — it all starts here.

User guide

How to use the portal: smart search, the data catalogue and previewing datasets, downloading, and portal settings.

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Data API

Programmatic access to every dataset: JSON queries, filters, sorting and export to CSV, Parquet or Excel — with live examples.

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AI assistants

Connect this documentation to your AI assistant over MCP — it answers from the guide and links to the source.

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Data API

The same data, one request away

Every dataset on the portal is available programmatically: pick columns, filter, sort and get JSON back. This example returns the counties with the highest average pay in 2024.

No sign-up and no API key
Export to CSV, NDJSON, Parquet or XLSX
A ready-made request in every dataset’s Export window

Start with the API

curl -X POST "https://api.dataportal.gov.lt/namespaces/188600177/tables/S3R640_M3060807_1_en/query" \
  -H "Content-Type: application/json" \
  -d '{
    "select": "counties,s3r640",
    "filter": "time_period._co=2024",
    "sort": "-s3r640",
    "limit": 3
  }'

import requests

url = "https://api.dataportal.gov.lt/namespaces/188600177/tables/S3R640_M3060807_1_en/query"
query = {
  "select": "counties,s3r640",
  "filter": "time_period._co=2024",
  "sort": "-s3r640",
  "limit": 3
}

rows = requests.post(url, json=query).json()["data"]

const url = "https://api.dataportal.gov.lt/namespaces/188600177/tables/S3R640_M3060807_1_en/query";

const res = await fetch(url, {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({
    "select": "counties,s3r640",
    "filter": "time_period._co=2024",
    "sort": "-s3r640",
    "limit": 3
  }),
});
const { data } = await res.json();

Response

{
  "data": [
    { "counties": "Capital Region", "s3r640": 2560.8 },
    { "counties": "Vilnius county", "s3r640": 2560.8 },
    { "counties": "Kaunas county", "s3r640": 2505.1 }
  ],
  "total": 13,
  "total_pages": 5,
  "current_page": 1
}