curl --request POST \
  --url https://api.metronome.com/v1/customers/{customer_id}/previewEvents \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "events": [
    {
      "event_type": "heartbeat",
      "timestamp": "2021-01-01T00:00:00Z",
      "properties": {
        "cpu_hours": 100,
        "memory_gb_hours": 200
      }
    }
  ],
  "mode": "replace"
}
'

import requests

url = "https://api.metronome.com/v1/customers/{customer_id}/previewEvents"

payload = {
    "events": [
        {
            "event_type": "heartbeat",
            "timestamp": "2021-01-01T00:00:00Z",
            "properties": {
                "cpu_hours": 100,
                "memory_gb_hours": 200
            }
        }
    ],
    "mode": "replace"
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    events: [
      {
        event_type: 'heartbeat',
        timestamp: '2021-01-01T00:00:00Z',
        properties: {cpu_hours: 100, memory_gb_hours: 200}
      }
    ],
    mode: 'replace'
  })
};

fetch('https://api.metronome.com/v1/customers/{customer_id}/previewEvents', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://api.metronome.com/v1/customers/{customer_id}/previewEvents",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'events' => [
        [
                'event_type' => 'heartbeat',
                'timestamp' => '2021-01-01T00:00:00Z',
                'properties' => [
                                'cpu_hours' => 100,
                                'memory_gb_hours' => 200
                ]
        ]
    ],
    'mode' => 'replace'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

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

func main() {

	url := "https://api.metronome.com/v1/customers/{customer_id}/previewEvents"

	payload := strings.NewReader("{\n  \"events\": [\n    {\n      \"event_type\": \"heartbeat\",\n      \"timestamp\": \"2021-01-01T00:00:00Z\",\n      \"properties\": {\n        \"cpu_hours\": 100,\n        \"memory_gb_hours\": 200\n      }\n    }\n  ],\n  \"mode\": \"replace\"\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://api.metronome.com/v1/customers/{customer_id}/previewEvents")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"events\": [\n    {\n      \"event_type\": \"heartbeat\",\n      \"timestamp\": \"2021-01-01T00:00:00Z\",\n      \"properties\": {\n        \"cpu_hours\": 100,\n        \"memory_gb_hours\": 200\n      }\n    }\n  ],\n  \"mode\": \"replace\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.metronome.com/v1/customers/{customer_id}/previewEvents")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"events\": [\n    {\n      \"event_type\": \"heartbeat\",\n      \"timestamp\": \"2021-01-01T00:00:00Z\",\n      \"properties\": {\n        \"cpu_hours\": 100,\n        \"memory_gb_hours\": 200\n      }\n    }\n  ],\n  \"mode\": \"replace\"\n}"

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

{
  "data": [
    {
      "id": "6a37bb88-8538-48c5-b37b-a41c836328bd",
      "customer_id": "617e39d8-68f4-4592-b8d2-c2bf26a76989",
      "type": "USAGE",
      "start_timestamp": "2021-01-01T00:00:00Z",
      "end_timestamp": "2021-02-01T00:00:00Z",
      "credit_type": {
        "id": "2714e483-4ff1-48e4-9e25-ac732e8f24f2",
        "name": "USD (cents)"
      },
      "contract_id": "9de042a1-b955-43ce-9ab4-e3c2004570d1",
      "line_items": [
        {
          "credit_type": {
            "id": "2714e483-4ff1-48e4-9e25-ac732e8f24f2",
            "name": "USD (cents)"
          },
          "name": "CPU hours",
          "quantity": 31416,
          "total": 62832,
          "type": "usage",
          "product_id": "5c1f40cd-9ff8-4e90-ae53-5f81b0e9d1e8"
        }
      ],
      "total": 62832,
      "status": "DRAFT"
    },
    {
      "id": "9543ee18-7bed-4b72-9797-729758093cf1",
      "customer_id": "617e39d8-68f4-4592-b8d2-c2bf26a76989",
      "type": "USAGE",
      "start_timestamp": "2021-01-01T00:00:00Z",
      "end_timestamp": "2021-02-01T00:00:00Z",
      "credit_type": {
        "id": "2714e483-4ff1-48e4-9e25-ac732e8f24f2",
        "name": "USD (cents)"
      },
      "contract_id": "cb3b77c4-467c-418a-ab68-a08113760cd2",
      "line_items": [
        {
          "credit_type": {
            "id": "2714e483-4ff1-48e4-9e25-ac732e8f24f2",
            "name": "USD (cents)"
          },
          "name": "Storage GB-hours",
          "quantity": 15708,
          "total": 31416,
          "type": "usage",
          "product_id": "7ba25fb0-33b0-4dc8-911e-4b4065ed585e"
        }
      ],
      "total": 31416,
      "status": "DRAFT"
    }
  ]
}

{
  "message": "<string>"
}

{
  "message": "<string>"
}