Preview an existing meter
curl --request POST \
--url https://api.creem.io/v1/meters/{id}/preview \
--header 'x-api-key: <api-key>'import requests
url = "https://api.creem.io/v1/meters/{id}/preview"
headers = {"x-api-key": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {'x-api-key': '<api-key>'}};
fetch('https://api.creem.io/v1/meters/{id}/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/{id}/preview",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_HTTPHEADER => [
"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"
"net/http"
"io"
)
func main() {
url := "https://api.creem.io/v1/meters/{id}/preview"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("x-api-key", "<api-key>")
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/{id}/preview")
.header("x-api-key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.creem.io/v1/meters/{id}/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>'
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"
}
]
}Meters
Preview an existing meter
Dry-run an existing meter against your real usage over the last 7 whole UTC days (today included, future-dated events excluded). Same shape as the unsaved-definition preview; nothing is written.
POST
/
v1
/
meters
/
{id}
/
preview
Preview an existing meter
curl --request POST \
--url https://api.creem.io/v1/meters/{id}/preview \
--header 'x-api-key: <api-key>'import requests
url = "https://api.creem.io/v1/meters/{id}/preview"
headers = {"x-api-key": "<api-key>"}
response = requests.post(url, headers=headers)
print(response.text)const options = {method: 'POST', headers: {'x-api-key': '<api-key>'}};
fetch('https://api.creem.io/v1/meters/{id}/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/{id}/preview",
CURLOPT_RETURNTRANSFER => true,
CURLOPT_ENCODING => "",
CURLOPT_MAXREDIRS => 10,
CURLOPT_TIMEOUT => 30,
CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
CURLOPT_CUSTOMREQUEST => "POST",
CURLOPT_HTTPHEADER => [
"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"
"net/http"
"io"
)
func main() {
url := "https://api.creem.io/v1/meters/{id}/preview"
req, _ := http.NewRequest("POST", url, nil)
req.Header.Add("x-api-key", "<api-key>")
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/{id}/preview")
.header("x-api-key", "<api-key>")
.asString();require 'uri'
require 'net/http'
url = URI("https://api.creem.io/v1/meters/{id}/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>'
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"
}
]
}Authorizations
API key for authentication. You can find your API key in the Creem dashboard under Settings > API Keys.
Path Parameters
Response
Preview of the meter
Events the meter would count over the preview window
Example:
137
Aggregated units over the whole window, as a string for BigInt safety
Example:
"4820"
Distinct customers among the matching events
Example:
12
The last 7 UTC days (today included), oldest first and zero-filled
Show child attributes
Show child attributes