curl --request GET \
  --url https://app.chatobserver.com/api/v2/analytics/visitor-trends \
  --header 'x-chatobserver-key: <api-key>'

const options = {method: 'GET', headers: {'x-chatobserver-key': '<api-key>'}};

fetch('https://app.chatobserver.com/api/v2/analytics/visitor-trends', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://app.chatobserver.com/api/v2/analytics/visitor-trends"

headers = {"x-chatobserver-key": "<api-key>"}

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

print(response.text)

{
  "data": [
    {
      "bucket": "<string>",
      "value": 123
    }
  ]
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  },
  "requestId": "<string>"
}