curl --request POST \
  --url https://fulfillment.noyo.com/api/v1/groups/{group_id}/group_connections \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "carrier_id": "8fac0992-933a-4743-8dab-0d606ef2569e",
  "group_data": {
    "carrier_group_id": "10000000"
  }
}
'

import requests

url = "https://fulfillment.noyo.com/api/v1/groups/{group_id}/group_connections"

payload = {
    "carrier_id": "8fac0992-933a-4743-8dab-0d606ef2569e",
    "group_data": { "carrier_group_id": "10000000" }
}
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({
    carrier_id: '8fac0992-933a-4743-8dab-0d606ef2569e',
    group_data: {carrier_group_id: '10000000'}
  })
};

fetch('https://fulfillment.noyo.com/api/v1/groups/{group_id}/group_connections', 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://fulfillment.noyo.com/api/v1/groups/{group_id}/group_connections",
  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([
    'carrier_id' => '8fac0992-933a-4743-8dab-0d606ef2569e',
    'group_data' => [
        'carrier_group_id' => '10000000'
    ]
  ]),
  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://fulfillment.noyo.com/api/v1/groups/{group_id}/group_connections"

	payload := strings.NewReader("{\n  \"carrier_id\": \"8fac0992-933a-4743-8dab-0d606ef2569e\",\n  \"group_data\": {\n    \"carrier_group_id\": \"10000000\"\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://fulfillment.noyo.com/api/v1/groups/{group_id}/group_connections")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"carrier_id\": \"8fac0992-933a-4743-8dab-0d606ef2569e\",\n  \"group_data\": {\n    \"carrier_group_id\": \"10000000\"\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://fulfillment.noyo.com/api/v1/groups/{group_id}/group_connections")

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  \"carrier_id\": \"8fac0992-933a-4743-8dab-0d606ef2569e\",\n  \"group_data\": {\n    \"carrier_group_id\": \"10000000\"\n  }\n}"

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

{
  "carrier_id": "8fac0992-933a-4743-8dab-0d606ef2569e",
  "created": 1557329939,
  "group_data": {
    "carrier_group_id": "10000000"
  },
  "group_id": "47c07963-2e34-4da2-86b4-cbc3c57111c1",
  "id": "dd9a1813-34f7-4c7e-86bc-f041f2cbd9a1",
  "modified": 1557329939,
  "organization_id": "d61fa455-adf4-4dc4-8c57-6d779ba9475e",
  "request_type": "incremental",
  "status": "created",
  "version": "9906b5d2-e76d-4bad-ba4c-8ce90b6b867b"
}