curl --request POST \
  --url https://api.birdeye.com/resources/v1/reports/nps/time/elst \
  --header 'Content-Type: application/json' \
  --data '
{
  "startDate": "10/08/2019",
  "endDate": "01/15/2020",
  "reviewSites": [
    "2",
    "110"
  ]
}
'

import requests

url = "https://api.birdeye.com/resources/v1/reports/nps/time/elst"

payload = {
    "startDate": "10/08/2019",
    "endDate": "01/15/2020",
    "reviewSites": ["2", "110"]
}
headers = {"Content-Type": "application/json"}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({startDate: '10/08/2019', endDate: '01/15/2020', reviewSites: ['2', '110']})
};

fetch('https://api.birdeye.com/resources/v1/reports/nps/time/elst', 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.birdeye.com/resources/v1/reports/nps/time/elst",
  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([
    'startDate' => '10/08/2019',
    'endDate' => '01/15/2020',
    'reviewSites' => [
        '2',
        '110'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($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.birdeye.com/resources/v1/reports/nps/time/elst"

	payload := strings.NewReader("{\n  \"startDate\": \"10/08/2019\",\n  \"endDate\": \"01/15/2020\",\n  \"reviewSites\": [\n    \"2\",\n    \"110\"\n  ]\n}")

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

	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.birdeye.com/resources/v1/reports/nps/time/elst")
  .header("Content-Type", "application/json")
  .body("{\n  \"startDate\": \"10/08/2019\",\n  \"endDate\": \"01/15/2020\",\n  \"reviewSites\": [\n    \"2\",\n    \"110\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.birdeye.com/resources/v1/reports/nps/time/elst")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"startDate\": \"10/08/2019\",\n  \"endDate\": \"01/15/2020\",\n  \"reviewSites\": [\n    \"2\",\n    \"110\"\n  ]\n}"

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

{
  "totalCount": 2,
  "avgNpsScore": "-50",
  "promoters": "0",
  "passives": "50",
  "detractors": "50",
  "dataPoints": [
    {
      "label": "10/08/2019 - 10/13/2019",
      "shortLabel": "Oct 08-Oct 13 2019",
      "startDate": "10/08/2019",
      "endDate": "10/13/2019",
      "dynamicLabel": {
        "header": "label",
        "value": "10/08/2019",
        "order": 2147483647,
        "cellType": "TEXT"
      },
      "detractorPercentile": 100,
      "passivePercentile": 0,
      "promoterPercentile": 0,
      "npsScore": -100,
      "positiveCount": 0,
      "negativeCount": 1,
      "neutralCount": 0,
      "totalCount": 1
    },
    {
      "label": "10/14/2019 - 10/20/2019",
      "shortLabel": "Oct 14-Oct 20 2019",
      "startDate": "10/14/2019",
      "endDate": "10/20/2019",
      "dynamicLabel": {
        "header": "label",
        "value": "10/14/2019",
        "order": 2147483647,
        "cellType": "TEXT"
      },
      "detractorPercentile": 0,
      "passivePercentile": 100,
      "promoterPercentile": 0,
      "npsScore": 0,
      "positiveCount": 0,
      "negativeCount": 0,
      "neutralCount": 1,
      "totalCount": 1
    }
  ],
  "groupByType": "week",
  "dateDiff": 100
}

{
  "code": 1167,
  "message": "API key is missing"
}

{
  "code": 1011,
  "message": "Business id is invalid"
}

{
  "code": 89,
  "message": "Rate limit exceeded"
}