curl --request POST \
  --url https://api.impellabs.tech/api/v1/partner/tenants/{external_ref}/channels/whatsapp/ \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "code": "CODE_FROM_META",
  "waba_id": "200000000000001",
  "phone_number_id": "100000000000001"
}
'

import requests

url = "https://api.impellabs.tech/api/v1/partner/tenants/{external_ref}/channels/whatsapp/"

payload = {
    "code": "CODE_FROM_META",
    "waba_id": "200000000000001",
    "phone_number_id": "100000000000001"
}
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({
    code: 'CODE_FROM_META',
    waba_id: '200000000000001',
    phone_number_id: '100000000000001'
  })
};

fetch('https://api.impellabs.tech/api/v1/partner/tenants/{external_ref}/channels/whatsapp/', 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.impellabs.tech/api/v1/partner/tenants/{external_ref}/channels/whatsapp/",
  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([
    'code' => 'CODE_FROM_META',
    'waba_id' => '200000000000001',
    'phone_number_id' => '100000000000001'
  ]),
  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://api.impellabs.tech/api/v1/partner/tenants/{external_ref}/channels/whatsapp/"

	payload := strings.NewReader("{\n  \"code\": \"CODE_FROM_META\",\n  \"waba_id\": \"200000000000001\",\n  \"phone_number_id\": \"100000000000001\"\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://api.impellabs.tech/api/v1/partner/tenants/{external_ref}/channels/whatsapp/")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"code\": \"CODE_FROM_META\",\n  \"waba_id\": \"200000000000001\",\n  \"phone_number_id\": \"100000000000001\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.impellabs.tech/api/v1/partner/tenants/{external_ref}/channels/whatsapp/")

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  \"code\": \"CODE_FROM_META\",\n  \"waba_id\": \"200000000000001\",\n  \"phone_number_id\": \"100000000000001\"\n}"

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

{
  "configured": true,
  "numbers": [
    {
      "phone_number_id": "100000000000001",
      "display_phone_number": "+1 555 010 0100",
      "verified_name": "Acme Dental",
      "quality_rating": "GREEN",
      "waba_id": "200000000000001",
      "status": "pending",
      "connected": true,
      "problem": "",
      "payment_method_linked": null,
      "can_send_message": null,
      "problems": []
    }
  ]
}

{
  "detail": "<string>",
  "code": "<string>",
  "field": "<string>",
  "error": {
    "code": "<string>",
    "message": "<string>"
  }
}