The SDK is currently in active development. For more details, see the U301 Postman docs.

Top traffic sources sending visitors.

Use this API to retrieve recent most common referers in a specified date range. The referer label is a URL from user's referer header. Please note, the referer may be the origin domain, a full URL or empty depending on Referrer-Policy. The origin URL are not always available.

Empty referers excluded from the result.

u301.analytics.getTopReferers
import { U301 } from 'u301';

const apiKey = '<YOUR_API_KEY>';
const workspaceId = '<YOUR_WORKSPACE_ID>';

const u301 = new U301({
  apiKey,
  workspaceId,
});

const clicks = await u301.analytics.getTopReferers({
    range: '1m',
    timezone: 'Europe/London'
})

the response schema

Request

NameLocationTypeRequiredDefaultDescription
AuthorizationHeaderstringBearer token used for authentication.
workspaceIdQuerystringWorkspace identifier for multi‑tenant routing.
rangeQuerystringDate range for data aggregation.
timezoneQuerystringUTCTimezone for data aggregation. See Timezone for details.

Response

Data is an array of objects, each object contains the referer's url label and click count.

NameTypeDescription
datetimeRangestring[]Date range for data aggregation. The format is an array of two strings, each string is a timestamp in ISO 8601 format YYYY-MM-DDTHH:MM:SSZ.
rangestringDate range for data aggregation.
data[].labelstringLabel for data aggregation.
data[].clicknumberClick count for data aggregation.
{
    "datetimeRange": [
        "2025-11-01T00:00:00.000Z",
        "2025-11-30T23:59:59.999Z"
    ],
    "range": "1m",
    "data": [
        {
            "label": "https://example.com/",
            "click": 103
        },
        {
            "label": "https://example.com/page?q=123",
            "click": 71
        }
    ]
}

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