curl --request POST \
  --url https://api.creem.io/v1/meters/preview \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "event_name": "image.generated",
  "aggregation": "count",
  "aggregation_property": "tokens",
  "unit_label": "images"
}
'

import requests

url = "https://api.creem.io/v1/meters/preview"

payload = {
    "event_name": "image.generated",
    "aggregation": "count",
    "aggregation_property": "tokens",
    "unit_label": "images"
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    event_name: 'image.generated',
    aggregation: 'count',
    aggregation_property: 'tokens',
    unit_label: 'images'
  })
};

fetch('https://api.creem.io/v1/meters/preview', 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.creem.io/v1/meters/preview",
  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([
    'event_name' => 'image.generated',
    'aggregation' => 'count',
    'aggregation_property' => 'tokens',
    'unit_label' => 'images'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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.creem.io/v1/meters/preview"

	payload := strings.NewReader("{\n  \"event_name\": \"image.generated\",\n  \"aggregation\": \"count\",\n  \"aggregation_property\": \"tokens\",\n  \"unit_label\": \"images\"\n}")

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

	req.Header.Add("x-api-key", "<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://api.creem.io/v1/meters/preview")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"event_name\": \"image.generated\",\n  \"aggregation\": \"count\",\n  \"aggregation_property\": \"tokens\",\n  \"unit_label\": \"images\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.creem.io/v1/meters/preview")

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

request = Net::HTTP::Post.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"event_name\": \"image.generated\",\n  \"aggregation\": \"count\",\n  \"aggregation_property\": \"tokens\",\n  \"unit_label\": \"images\"\n}"

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

{
  "matched_events": 137,
  "units": "4820",
  "distinct_customers": 12,
  "daily": [
    {
      "date": "2026-08-16",
      "event_count": 42,
      "value": "1280"
    }
  ]
}

{
  "error": {
    "type": "invalid_request_error",
    "code": "meter_name_taken",
    "message": "A meter named \"Image generations\" already exists in this store",
    "request_id": "req_abc123def456",
    "param": "events[3].customer_id",
    "details": {
      "archived_holder": true,
      "archived_holder_id": "mtr_abc123"
    }
  }
}