curl --request GET \
  --url https://{tenant}.chronosphere.io/api/v1/data/events:field-values \
  --header 'API-Token: <api-key>'

package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://{tenant}.chronosphere.io/api/v1/data/events:field-values"

	req, _ := http.NewRequest("GET", url, nil)

	req.Header.Add("API-Token", "<api-key>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.get("https://{tenant}.chronosphere.io/api/v1/data/events:field-values")
  .header("API-Token", "<api-key>")
  .asString();

const options = {method: 'GET', headers: {'API-Token': '<api-key>'}};

fetch('https://{tenant}.chronosphere.io/api/v1/data/events:field-values', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{tenant}.chronosphere.io/api/v1/data/events:field-values"

headers = {"API-Token": "<api-key>"}

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

print(response.text)

{
  "values": [
    "<string>"
  ]
}

{
  "code": 123,
  "details": [
    {
      "@type": "<string>"
    }
  ],
  "message": "<string>"
}