Best analytics tool I've used in 14 years

Get real-time visitors

GET https://datafa.st/api/v1/analytics/realtime

Retrieve the count of active visitors on your website in real-time (visitors with activity in the last 5 minutes). Requires Bearer Token authentication.

Try on Playground

Response

Success (200 OK): Returns real-time visitor count

{
  "status": "success",
  "data": [
    {
      "visitors": 42
    }
  ]
}

Notes

Real-time data shows visitors who have had activity (pageviews, events) within the last 5 minutes
This endpoint is optimized for frequent polling with shorter cache times
Unlike other analytics endpoints, this does not support date range filtering as it always shows current activity

Errors

401 Unauthorized: Missing or invalid API key
404 Not Found: Website not found
500 Internal Server Error: Server-side issue

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Example request (Node.js/Express)

const response = await fetch(
  "https://datafa.st/api/v1/analytics/realtime",
  {
    method: "GET",
    headers: {
      Authorization: `Bearer ${DATAFAST_API_KEY}`,
      "Content-Type": "application/json",
    },
  }
);

const result = await response.json();
console.log(`Active visitors: ${result.data[0].visitors}`);

Success response (200 OK)

{
  "status": "success",
  "data": [
    {
      "visitors": 42
    }
  ]
}