curl --request POST \
  --url https://api.bigdata.com/v1/events-calendar/query \
  --header 'Content-Type: application/json' \
  --header 'X-API-KEY: <api-key>' \
  --data '
{
  "categories": [
    "earnings-call",
    "conference-call",
    "ipos-calendar",
    "delisted-company"
  ],
  "end_date": "2024-02-15",
  "start_date": "2024-01-01"
}
'

import requests

url = "https://api.bigdata.com/v1/events-calendar/query"

payload = {
    "categories": ["earnings-call", "conference-call", "ipos-calendar", "delisted-company"],
    "end_date": "2024-02-15",
    "start_date": "2024-01-01"
}
headers = {
    "X-API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {'X-API-KEY': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    categories: ['earnings-call', 'conference-call', 'ipos-calendar', 'delisted-company'],
    end_date: '2024-02-15',
    start_date: '2024-01-01'
  })
};

fetch('https://api.bigdata.com/v1/events-calendar/query', 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.bigdata.com/v1/events-calendar/query",
  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([
    'categories' => [
        'earnings-call',
        'conference-call',
        'ipos-calendar',
        'delisted-company'
    ],
    'end_date' => '2024-02-15',
    'start_date' => '2024-01-01'
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "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"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://api.bigdata.com/v1/events-calendar/query"

	payload := strings.NewReader("{\n  \"categories\": [\n    \"earnings-call\",\n    \"conference-call\",\n    \"ipos-calendar\",\n    \"delisted-company\"\n  ],\n  \"end_date\": \"2024-02-15\",\n  \"start_date\": \"2024-01-01\"\n}")

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

	req.Header.Add("X-API-KEY", "<api-key>")
	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.bigdata.com/v1/events-calendar/query")
  .header("X-API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"categories\": [\n    \"earnings-call\",\n    \"conference-call\",\n    \"ipos-calendar\",\n    \"delisted-company\"\n  ],\n  \"end_date\": \"2024-02-15\",\n  \"start_date\": \"2024-01-01\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.bigdata.com/v1/events-calendar/query")

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

request = Net::HTTP::Post.new(url)
request["X-API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"categories\": [\n    \"earnings-call\",\n    \"conference-call\",\n    \"ipos-calendar\",\n    \"delisted-company\"\n  ],\n  \"end_date\": \"2024-02-15\",\n  \"start_date\": \"2024-01-01\"\n}"

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

{
  "events_unmapped": [
    {
      "category": "ipos-calendar",
      "company_name": "AppMedia Inc.",
      "event_datetime": "2024-02-01T00:00:00Z",
      "exchange": "NASDAQ",
      "ticker": "APMD",
      "title": "AppMedia Inc. (APMD) Set to List on NASDAQ on 2024-02-01"
    }
  ],
  "pagination": {
    "cursor": "375207",
    "has_cursor": true
  },
  "results": {
    "4A6F00": [
      {
        "category": "earnings-call",
        "created_at": "2023-11-15T08:14:26Z",
        "event_datetime": "2024-01-25T21:00:00Z",
        "fiscal_period": "Q4",
        "fiscal_year": 2023,
        "rp_collection_id": "20c4436bf8627400ad58f73dde7f2a6f",
        "title": "Alphabet Inc. Q4 2023 Earnings Call",
        "updated_at": "2024-01-20T14:30:15Z"
      },
      {
        "category": "conference-call",
        "created_at": "2024-01-05T12:00:00Z",
        "event_datetime": "2024-02-15T16:00:00Z",
        "fiscal_year": 2024,
        "rp_collection_id": "e25cae2fa959ff596c54ee5589de2f9b",
        "title": "Alphabet Inc. Investor Day 2024",
        "updated_at": "2024-02-10T09:15:30Z"
      }
    ],
    "D8442A": [
      {
        "category": "earnings-call",
        "created_at": "2023-12-20T10:30:45Z",
        "event_datetime": "2024-01-31T17:00:00Z",
        "fiscal_period": "Q1",
        "fiscal_year": 2024,
        "rp_collection_id": "cda8c9e70e436107b6bae880e1c80603",
        "title": "Apple Inc. Q1 2024 Earnings Call",
        "updated_at": "2024-01-25T11:45:20Z"
      }
    ]
  }
}