Event Fields

List available event columns and event data fields with sample values.

curl -X GET "https://api.nexus.usehardal.com/analytics/events/fields?timezone=example_string&eventName=John%20Doe&targetSignalId=example_string&sampleSize=example_string&limit=example_string&offset=example_string&interval=minute&selectedEvents=%5B%22example_string%22%5D&notSelectedEvents=%5B%22example_string%22%5D&timeframe=today&startDate=example_string&endDate=example_string" \
  -H "Content-Type: application/json" \
  -H "Authorization: YOUR_API_KEY"

import requests
import json

url = "https://api.nexus.usehardal.com/analytics/events/fields?timezone=example_string&eventName=John%20Doe&targetSignalId=example_string&sampleSize=example_string&limit=example_string&offset=example_string&interval=minute&selectedEvents=%5B%22example_string%22%5D&notSelectedEvents=%5B%22example_string%22%5D&timeframe=today&startDate=example_string&endDate=example_string"
headers = {
  "Content-Type": "application/json",
  "Authorization": "YOUR_API_KEY"
}

response = requests.get(url, headers=headers)
print(response.json())

const response = await fetch("https://api.nexus.usehardal.com/analytics/events/fields?timezone=example_string&eventName=John%20Doe&targetSignalId=example_string&sampleSize=example_string&limit=example_string&offset=example_string&interval=minute&selectedEvents=%5B%22example_string%22%5D&notSelectedEvents=%5B%22example_string%22%5D&timeframe=today&startDate=example_string&endDate=example_string", {
  method: "GET",
  headers: {
  "Content-Type": "application/json",
  "Authorization": "YOUR_API_KEY"
}
});

const data = await response.json();
console.log(data);

package main

import (
    "fmt"
    "net/http"
)

func main() {

    req, err := http.NewRequest("GET", "https://api.nexus.usehardal.com/analytics/events/fields?timezone=example_string&eventName=John%20Doe&targetSignalId=example_string&sampleSize=example_string&limit=example_string&offset=example_string&interval=minute&selectedEvents=%5B%22example_string%22%5D&notSelectedEvents=%5B%22example_string%22%5D&timeframe=today&startDate=example_string&endDate=example_string", nil)
    if err != nil {
        panic(err)
    }

    req.Header.Set("Content-Type", "application/json")
    req.Header.Set("Authorization", "YOUR_API_KEY")

    client := &http.Client{}
    resp, err := client.Do(req)
    if err != nil {
        panic(err)
    }
    defer resp.Body.Close()

    fmt.Println("Response Status:", resp.Status)
}

require 'net/http'
require 'json'

uri = URI('https://api.nexus.usehardal.com/analytics/events/fields?timezone=example_string&eventName=John%20Doe&targetSignalId=example_string&sampleSize=example_string&limit=example_string&offset=example_string&interval=minute&selectedEvents=%5B%22example_string%22%5D&notSelectedEvents=%5B%22example_string%22%5D&timeframe=today&startDate=example_string&endDate=example_string')
http = Net::HTTP.new(uri.host, uri.port)
http.use_ssl = true

request = Net::HTTP::Get.new(uri)
request['Content-Type'] = 'application/json'
request['Authorization'] = 'YOUR_API_KEY'

response = http.request(request)
puts response.body

{
  "success": true,
  "data": {
    "eventFields": [
      {
        "fieldName": "browser",
        "fieldType": "String",
        "sampleValues": [
          "Chrome"
        ]
      },
      {
        "fieldName": "browser_version",
        "fieldType": "String",
        "sampleValues": [
          "120"
        ]
      },
      {
        "fieldName": "city",
        "fieldType": "String",
        "sampleValues": [
          "Stockholm"
        ]
      }
    ],
    "eventDataFields": [
      {
        "fieldName": "data.state",
        "dataType": "string",
        "sampleValues": [
          "CA",
          "FL",
          "ON",
          "CO",
          "Istanbul"
        ],
        "totalCount": 77573,
        "isJson": false
      },
      {
        "fieldName": "data.phone",
        "dataType": "number",
        "sampleValues": [
          "15976690799",
          "14792555941",
          "17734253885",
          "14570032679",
          "16382481844"
        ],
        "totalCount": 77573,
        "isJson": false
      },
      {
        "fieldName": "data.email",
        "dataType": "string",
        "sampleValues": [
          "liam.wilson@example.com",
          "david.taylor@example.com",
          "grace.johnson@example.com",
          "david.johnson@example.com",
          "james.johnson@example.com"
        ],
        "totalCount": 77573,
        "isJson": false
      }
    ],
    "summary": {
      "totalEventFields": 26,
      "totalEventDataFields": 26
    }
  },
  "timestamp": "2026-06-30T12:11:56.385Z",
  "path": "/analytics/events/fields"
}