curl --request POST \
  --url https://api2.rhombussystems.com/api/event/searchMotionGridWithActivities \
  --header 'Content-Type: application/json' \
  --header 'x-auth-apikey: <api-key>' \
  --header 'x-auth-scheme: <x-auth-scheme>' \
  --data '
{
  "deviceUuid": "AAAAAAAAAAAAAAAAAAAAAA.v0",
  "endTimeUtcSecs": 1641081600,
  "searchCells": [
    {
      "col": 5,
      "row": 3
    }
  ],
  "startTimeUtcSecs": 1640995200
}
'

import requests

url = "https://api2.rhombussystems.com/api/event/searchMotionGridWithActivities"

payload = {
    "deviceUuid": "AAAAAAAAAAAAAAAAAAAAAA.v0",
    "endTimeUtcSecs": 1641081600,
    "searchCells": [
        {
            "col": 5,
            "row": 3
        }
    ],
    "startTimeUtcSecs": 1640995200
}
headers = {
    "x-auth-scheme": "<x-auth-scheme>",
    "x-auth-apikey": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'x-auth-scheme': '<x-auth-scheme>',
    'x-auth-apikey': '<api-key>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    deviceUuid: 'AAAAAAAAAAAAAAAAAAAAAA.v0',
    endTimeUtcSecs: 1641081600,
    searchCells: [{col: 5, row: 3}],
    startTimeUtcSecs: 1640995200
  })
};

fetch('https://api2.rhombussystems.com/api/event/searchMotionGridWithActivities', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

HttpResponse<String> response = Unirest.post("https://api2.rhombussystems.com/api/event/searchMotionGridWithActivities")
  .header("x-auth-scheme", "<x-auth-scheme>")
  .header("x-auth-apikey", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"deviceUuid\": \"AAAAAAAAAAAAAAAAAAAAAA.v0\",\n  \"endTimeUtcSecs\": 1641081600,\n  \"searchCells\": [\n    {\n      \"col\": 5,\n      \"row\": 3\n    }\n  ],\n  \"startTimeUtcSecs\": 1640995200\n}")
  .asString();

{
  "error": true,
  "errorMsg": "<string>",
  "timeUtcSecsToActivityMap": {},
  "warningMsg": "<string>"
}