curl --request POST \
  --url https://{tenant}.chronosphere.io/api/v1/state/monitors/{monitor_slug}:send-test-notification \
  --header 'API-Token: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "recipient_ids": [
    "<string>"
  ],
  "signal_labels": "{\"env\": \"prod\"}"
}
'

package main

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

func main() {

	url := "https://{tenant}.chronosphere.io/api/v1/state/monitors/{monitor_slug}:send-test-notification"

	payload := strings.NewReader("{\n  \"recipient_ids\": [\n    \"<string>\"\n  ],\n  \"signal_labels\": \"{\\\"env\\\": \\\"prod\\\"}\"\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("API-Token", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://{tenant}.chronosphere.io/api/v1/state/monitors/{monitor_slug}:send-test-notification")
  .header("API-Token", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"recipient_ids\": [\n    \"<string>\"\n  ],\n  \"signal_labels\": \"{\\\"env\\\": \\\"prod\\\"}\"\n}")
  .asString();

const options = {
  method: 'POST',
  headers: {'API-Token': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({recipient_ids: ['<string>'], signal_labels: '{"env": "prod"}'})
};

fetch('https://{tenant}.chronosphere.io/api/v1/state/monitors/{monitor_slug}:send-test-notification', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://{tenant}.chronosphere.io/api/v1/state/monitors/{monitor_slug}:send-test-notification"

payload = {
    "recipient_ids": ["<string>"],
    "signal_labels": "{\"env\": \"prod\"}"
}
headers = {
    "API-Token": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

{}

{
  "message": "<string>"
}