Essential Data for
Sri Lankan Developers.

Reliable, open-source, and developer-friendly public APIs built by Aztra (Private) Limited. Integrate Sri Lankan holiday data, banking calendars, and more with ease.

Holiday Calendar API

Retrieve accurate Public, Bank, and Mercantile holidays for Sri Lanka. Updated annually in accordance with the Ministry of Public Administration.
Request example: GET https://aztra-software.github.io/holidays/2026/

GET https://aztra-software.github.io/holidays/2026/
GET https://aztra-software.github.io/holidays/2027/
Request: GET https://aztra-software.github.io/holidays/2026/
{
  "year": 2026,
  "country": "Sri Lanka",
  "holidays": [
    {
      "date": "2026-01-15",
      "name": "Tamil Thai Pongal Day",
      "type": ["Public", "Bank", "Mercantile"]
    },
    {
      "date": "2026-02-04",
      "name": "Independence Day",
      "type": ["Public", "Bank", "Mercantile"]
    }
    // ... more items
  ]
}

High Performance

Optimized for speed with low latency response times across the island.

Open Source

Contribute to our data sets on GitHub. Community driven accuracy.

Reliable

99.9% uptime. Maintained by the dedicated engineering team at Aztra.