curl --request POST \
  --url https://crm.wachat.net/api/v1/contacts \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "phone": "<string>",
  "name": "<string>",
  "first_name": "<string>",
  "middle_name": "<string>",
  "last_name": "<string>",
  "title": "<string>",
  "country_code": "<string>",
  "email": "jsmith@example.com",
  "language": "<string>",
  "address": "<string>",
  "note": "<string>",
  "attributes": [
    "<string>"
  ],
  "is_unsubscribed": true,
  "group_ids": [
    123
  ]
}
'

import requests

url = "https://crm.wachat.net/api/v1/contacts"

payload = {
    "phone": "<string>",
    "name": "<string>",
    "first_name": "<string>",
    "middle_name": "<string>",
    "last_name": "<string>",
    "title": "<string>",
    "country_code": "<string>",
    "email": "jsmith@example.com",
    "language": "<string>",
    "address": "<string>",
    "note": "<string>",
    "attributes": ["<string>"],
    "is_unsubscribed": True,
    "group_ids": [123]
}
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({
    phone: '<string>',
    name: '<string>',
    first_name: '<string>',
    middle_name: '<string>',
    last_name: '<string>',
    title: '<string>',
    country_code: '<string>',
    email: 'jsmith@example.com',
    language: '<string>',
    address: '<string>',
    note: '<string>',
    attributes: ['<string>'],
    is_unsubscribed: true,
    group_ids: [123]
  })
};

fetch('https://crm.wachat.net/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://crm.wachat.net/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([
    'phone' => '<string>',
    'name' => '<string>',
    'first_name' => '<string>',
    'middle_name' => '<string>',
    'last_name' => '<string>',
    'title' => '<string>',
    'country_code' => '<string>',
    'email' => 'jsmith@example.com',
    'language' => '<string>',
    'address' => '<string>',
    'note' => '<string>',
    'attributes' => [
        '<string>'
    ],
    'is_unsubscribed' => true,
    'group_ids' => [
        123
    ]
  ]),
  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://crm.wachat.net/api/v1/contacts"

	payload := strings.NewReader("{\n  \"phone\": \"<string>\",\n  \"name\": \"<string>\",\n  \"first_name\": \"<string>\",\n  \"middle_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"title\": \"<string>\",\n  \"country_code\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"language\": \"<string>\",\n  \"address\": \"<string>\",\n  \"note\": \"<string>\",\n  \"attributes\": [\n    \"<string>\"\n  ],\n  \"is_unsubscribed\": true,\n  \"group_ids\": [\n    123\n  ]\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://crm.wachat.net/api/v1/contacts")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"phone\": \"<string>\",\n  \"name\": \"<string>\",\n  \"first_name\": \"<string>\",\n  \"middle_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"title\": \"<string>\",\n  \"country_code\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"language\": \"<string>\",\n  \"address\": \"<string>\",\n  \"note\": \"<string>\",\n  \"attributes\": [\n    \"<string>\"\n  ],\n  \"is_unsubscribed\": true,\n  \"group_ids\": [\n    123\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://crm.wachat.net/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  \"phone\": \"<string>\",\n  \"name\": \"<string>\",\n  \"first_name\": \"<string>\",\n  \"middle_name\": \"<string>\",\n  \"last_name\": \"<string>\",\n  \"title\": \"<string>\",\n  \"country_code\": \"<string>\",\n  \"email\": \"jsmith@example.com\",\n  \"language\": \"<string>\",\n  \"address\": \"<string>\",\n  \"note\": \"<string>\",\n  \"attributes\": [\n    \"<string>\"\n  ],\n  \"is_unsubscribed\": true,\n  \"group_ids\": [\n    123\n  ]\n}"

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

{
  "data": [
    "<unknown>"
  ],
  "meta": "<string>"
}

{
  "message": "<string>",
  "errors": {}
}