curl --request POST \
  --url https://app.alvahq.com/api/v1/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "firstName": "",
  "lastName": "",
  "email": "",
  "companyId": "",
  "title": "",
  "phone": "",
  "mobile": "",
  "linkedin": "",
  "twitter": "",
  "notes": "",
  "department": "",
  "seniorityLevel": "",
  "additionalEmails": [],
  "additionalPhones": [],
  "linkedinUrl": "",
  "doNotContact": false,
  "doNotContactReason": "",
  "customFields": {}
}
'

import requests

url = "https://app.alvahq.com/api/v1/contacts"

payload = {
    "firstName": "",
    "lastName": "",
    "email": "",
    "companyId": "",
    "title": "",
    "phone": "",
    "mobile": "",
    "linkedin": "",
    "twitter": "",
    "notes": "",
    "department": "",
    "seniorityLevel": "",
    "additionalEmails": [],
    "additionalPhones": [],
    "linkedinUrl": "",
    "doNotContact": False,
    "doNotContactReason": "",
    "customFields": {}
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    firstName: '',
    lastName: '',
    email: '',
    companyId: '',
    title: '',
    phone: '',
    mobile: '',
    linkedin: '',
    twitter: '',
    notes: '',
    department: '',
    seniorityLevel: '',
    additionalEmails: [],
    additionalPhones: [],
    linkedinUrl: '',
    doNotContact: false,
    doNotContactReason: '',
    customFields: {}
  })
};

fetch('https://app.alvahq.com/api/v1/contacts', 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://app.alvahq.com/api/v1/contacts",
  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([
    'firstName' => '',
    'lastName' => '',
    'email' => '',
    'companyId' => '',
    'title' => '',
    'phone' => '',
    'mobile' => '',
    'linkedin' => '',
    'twitter' => '',
    'notes' => '',
    'department' => '',
    'seniorityLevel' => '',
    'additionalEmails' => [
        
    ],
    'additionalPhones' => [
        
    ],
    'linkedinUrl' => '',
    'doNotContact' => false,
    'doNotContactReason' => '',
    'customFields' => [
        
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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://app.alvahq.com/api/v1/contacts"

	payload := strings.NewReader("{\n  \"firstName\": \"\",\n  \"lastName\": \"\",\n  \"email\": \"\",\n  \"companyId\": \"\",\n  \"title\": \"\",\n  \"phone\": \"\",\n  \"mobile\": \"\",\n  \"linkedin\": \"\",\n  \"twitter\": \"\",\n  \"notes\": \"\",\n  \"department\": \"\",\n  \"seniorityLevel\": \"\",\n  \"additionalEmails\": [],\n  \"additionalPhones\": [],\n  \"linkedinUrl\": \"\",\n  \"doNotContact\": false,\n  \"doNotContactReason\": \"\",\n  \"customFields\": {}\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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://app.alvahq.com/api/v1/contacts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"firstName\": \"\",\n  \"lastName\": \"\",\n  \"email\": \"\",\n  \"companyId\": \"\",\n  \"title\": \"\",\n  \"phone\": \"\",\n  \"mobile\": \"\",\n  \"linkedin\": \"\",\n  \"twitter\": \"\",\n  \"notes\": \"\",\n  \"department\": \"\",\n  \"seniorityLevel\": \"\",\n  \"additionalEmails\": [],\n  \"additionalPhones\": [],\n  \"linkedinUrl\": \"\",\n  \"doNotContact\": false,\n  \"doNotContactReason\": \"\",\n  \"customFields\": {}\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://app.alvahq.com/api/v1/contacts")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"firstName\": \"\",\n  \"lastName\": \"\",\n  \"email\": \"\",\n  \"companyId\": \"\",\n  \"title\": \"\",\n  \"phone\": \"\",\n  \"mobile\": \"\",\n  \"linkedin\": \"\",\n  \"twitter\": \"\",\n  \"notes\": \"\",\n  \"department\": \"\",\n  \"seniorityLevel\": \"\",\n  \"additionalEmails\": [],\n  \"additionalPhones\": [],\n  \"linkedinUrl\": \"\",\n  \"doNotContact\": false,\n  \"doNotContactReason\": \"\",\n  \"customFields\": {}\n}"

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

{
  "success": true,
  "message": "<string>",
  "data": {
    "id": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "firstName": "Jane",
    "lastName": "Doe",
    "email": "jane@acme.com",
    "companyId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "title": "VP of Engineering",
    "phone": "<string>",
    "mobile": "<string>",
    "linkedin": "<string>",
    "twitter": "<string>",
    "notes": "<string>",
    "department": "<string>",
    "seniorityLevel": "<string>",
    "additionalEmails": [
      "<string>"
    ],
    "additionalPhones": [
      "<string>"
    ],
    "linkedinUrl": "<string>",
    "customFields": {},
    "doNotContact": true,
    "doNotContactReason": "<string>",
    "doNotContactAt": "2023-11-07T05:31:56Z",
    "emailConfidence": 123,
    "companyVerified": true,
    "seniorityScore": 123,
    "isEconomicBuyer": true,
    "emailAvailable": true,
    "phoneAvailable": true,
    "mobileRevealStatus": "<string>",
    "inboundSource": "<string>",
    "createdById": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
    "createdAt": "2023-11-07T05:31:56Z",
    "updatedAt": "2023-11-07T05:31:56Z"
  },
  "resource": "<string>"
}

{
  "error": "Unauthorised",
  "message": "Invalid or revoked API key"
}

{
  "error": "Unprocessable Entity",
  "message": "Validation failed",
  "details": {
    "name": [
      "Name is required"
    ]
  }
}