curl --request GET \
  --url https://api.worldmonitor.app/api/economic/v1/get-no2-activity \
  --header 'X-WorldMonitor-Key: <api-key>'

import requests

url = "https://api.worldmonitor.app/api/economic/v1/get-no2-activity"

headers = {"X-WorldMonitor-Key": "<api-key>"}

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

print(response.text)

const options = {method: 'GET', headers: {'X-WorldMonitor-Key': '<api-key>'}};

fetch('https://api.worldmonitor.app/api/economic/v1/get-no2-activity', 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.worldmonitor.app/api/economic/v1/get-no2-activity",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
  CURLOPT_HTTPHEADER => [
    "X-WorldMonitor-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.worldmonitor.app/api/economic/v1/get-no2-activity"

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

	req.Header.Add("X-WorldMonitor-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.get("https://api.worldmonitor.app/api/economic/v1/get-no2-activity")
  .header("X-WorldMonitor-Key", "<api-key>")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.worldmonitor.app/api/economic/v1/get-no2-activity")

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

request = Net::HTTP::Get.new(url)
request["X-WorldMonitor-Key"] = '<api-key>'

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

{
  "attribution": "example",
  "generatedAt": "2026-01-15T12:00:00Z",
  "methodVersion": "example",
  "regions": [
    {
      "baselineMeanNo2MolM2": 1.5,
      "baselineYears": [
        1
      ],
      "bbox": [
        1.5
      ],
      "changePercent": 42.5,
      "countryCode": "US"
    }
  ],
  "stale": true
}

{
  "violations": [
    {
      "field": "<string>",
      "description": "<string>"
    }
  ]
}

{
  "error": "<string>"
}

{
  "error": "<string>",
  "code": "subscription_lapsed",
  "requiredTier": 123,
  "currentTier": 123,
  "planKey": "<string>"
}

{
  "message": "<string>"
}

{
  "error": "<string>",
  "code": "renewal_verification_pending",
  "requiredTier": 123
}

{
  "message": "<string>"
}