curl --request POST \
  --url https://apicorp.algartelecom.com.br/telecom/product-Inventory-management/management/v1/lorawan/broker/referrals \
  --header 'Content-Type: <content-type>' \
  --header 'access_token: <access_token>' \
  --header 'client_id: <client_id>' \
  --data '
{
  "action": "16",
  "contractId": "A12154648484",
  "deviceReferrals": [
    {
      "filter": {
        "description": "Filtro de dispositivos específicos",
        "applications": [
          "app_001",
          "app_002"
        ],
        "devices": [
          "device_001",
          "device_002"
        ],
        "tags": [
          "tag_001",
          "tag_002"
        ]
      },
      "connection": {
        "clientId": "client_001",
        "topicUp": "lorawan/topicUp",
        "topicDown": "lorawan/topicDown",
        "description": "Conexão para monitoramento remoto",
        "authorization": "Basic abc123xyz",
        "uri": "mqtt://teste.teste",
        "url": "https://teste.teste",
        "type": "mqtt"
      }
    }
  ]
}
'

import requests

url = "https://apicorp.algartelecom.com.br/telecom/product-Inventory-management/management/v1/lorawan/broker/referrals"

payload = {
    "action": "16",
    "contractId": "A12154648484",
    "deviceReferrals": [
        {
            "filter": {
                "description": "Filtro de dispositivos específicos",
                "applications": ["app_001", "app_002"],
                "devices": ["device_001", "device_002"],
                "tags": ["tag_001", "tag_002"]
            },
            "connection": {
                "clientId": "client_001",
                "topicUp": "lorawan/topicUp",
                "topicDown": "lorawan/topicDown",
                "description": "Conexão para monitoramento remoto",
                "authorization": "Basic abc123xyz",
                "uri": "mqtt://teste.teste",
                "url": "https://teste.teste",
                "type": "mqtt"
            }
        }
    ]
}
headers = {
    "Content-Type": "<content-type>",
    "client_id": "<client_id>",
    "access_token": "<access_token>"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'Content-Type': '<content-type>',
    client_id: '<client_id>',
    access_token: '<access_token>'
  },
  body: JSON.stringify({
    action: '16',
    contractId: 'A12154648484',
    deviceReferrals: [
      {
        filter: {
          description: 'Filtro de dispositivos específicos',
          applications: ['app_001', 'app_002'],
          devices: ['device_001', 'device_002'],
          tags: ['tag_001', 'tag_002']
        },
        connection: {
          clientId: 'client_001',
          topicUp: 'lorawan/topicUp',
          topicDown: 'lorawan/topicDown',
          description: 'Conexão para monitoramento remoto',
          authorization: 'Basic abc123xyz',
          uri: 'mqtt://teste.teste',
          url: 'https://teste.teste',
          type: 'mqtt'
        }
      }
    ]
  })
};

fetch('https://apicorp.algartelecom.com.br/telecom/product-Inventory-management/management/v1/lorawan/broker/referrals', 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://apicorp.algartelecom.com.br/telecom/product-Inventory-management/management/v1/lorawan/broker/referrals",
  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([
    'action' => '16',
    'contractId' => 'A12154648484',
    'deviceReferrals' => [
        [
                'filter' => [
                                'description' => 'Filtro de dispositivos específicos',
                                'applications' => [
                                                                'app_001',
                                                                'app_002'
                                ],
                                'devices' => [
                                                                'device_001',
                                                                'device_002'
                                ],
                                'tags' => [
                                                                'tag_001',
                                                                'tag_002'
                                ]
                ],
                'connection' => [
                                'clientId' => 'client_001',
                                'topicUp' => 'lorawan/topicUp',
                                'topicDown' => 'lorawan/topicDown',
                                'description' => 'Conexão para monitoramento remoto',
                                'authorization' => 'Basic abc123xyz',
                                'uri' => 'mqtt://teste.teste',
                                'url' => 'https://teste.teste',
                                'type' => 'mqtt'
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: <content-type>",
    "access_token: <access_token>",
    "client_id: <client_id>"
  ],
]);

$response = curl_exec($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://apicorp.algartelecom.com.br/telecom/product-Inventory-management/management/v1/lorawan/broker/referrals"

	payload := strings.NewReader("{\n  \"action\": \"16\",\n  \"contractId\": \"A12154648484\",\n  \"deviceReferrals\": [\n    {\n      \"filter\": {\n        \"description\": \"Filtro de dispositivos específicos\",\n        \"applications\": [\n          \"app_001\",\n          \"app_002\"\n        ],\n        \"devices\": [\n          \"device_001\",\n          \"device_002\"\n        ],\n        \"tags\": [\n          \"tag_001\",\n          \"tag_002\"\n        ]\n      },\n      \"connection\": {\n        \"clientId\": \"client_001\",\n        \"topicUp\": \"lorawan/topicUp\",\n        \"topicDown\": \"lorawan/topicDown\",\n        \"description\": \"Conexão para monitoramento remoto\",\n        \"authorization\": \"Basic abc123xyz\",\n        \"uri\": \"mqtt://teste.teste\",\n        \"url\": \"https://teste.teste\",\n        \"type\": \"mqtt\"\n      }\n    }\n  ]\n}")

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

	req.Header.Add("Content-Type", "<content-type>")
	req.Header.Add("client_id", "<client_id>")
	req.Header.Add("access_token", "<access_token>")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://apicorp.algartelecom.com.br/telecom/product-Inventory-management/management/v1/lorawan/broker/referrals")
  .header("Content-Type", "<content-type>")
  .header("client_id", "<client_id>")
  .header("access_token", "<access_token>")
  .body("{\n  \"action\": \"16\",\n  \"contractId\": \"A12154648484\",\n  \"deviceReferrals\": [\n    {\n      \"filter\": {\n        \"description\": \"Filtro de dispositivos específicos\",\n        \"applications\": [\n          \"app_001\",\n          \"app_002\"\n        ],\n        \"devices\": [\n          \"device_001\",\n          \"device_002\"\n        ],\n        \"tags\": [\n          \"tag_001\",\n          \"tag_002\"\n        ]\n      },\n      \"connection\": {\n        \"clientId\": \"client_001\",\n        \"topicUp\": \"lorawan/topicUp\",\n        \"topicDown\": \"lorawan/topicDown\",\n        \"description\": \"Conexão para monitoramento remoto\",\n        \"authorization\": \"Basic abc123xyz\",\n        \"uri\": \"mqtt://teste.teste\",\n        \"url\": \"https://teste.teste\",\n        \"type\": \"mqtt\"\n      }\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://apicorp.algartelecom.com.br/telecom/product-Inventory-management/management/v1/lorawan/broker/referrals")

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

request = Net::HTTP::Post.new(url)
request["Content-Type"] = '<content-type>'
request["client_id"] = '<client_id>'
request["access_token"] = '<access_token>'
request.body = "{\n  \"action\": \"16\",\n  \"contractId\": \"A12154648484\",\n  \"deviceReferrals\": [\n    {\n      \"filter\": {\n        \"description\": \"Filtro de dispositivos específicos\",\n        \"applications\": [\n          \"app_001\",\n          \"app_002\"\n        ],\n        \"devices\": [\n          \"device_001\",\n          \"device_002\"\n        ],\n        \"tags\": [\n          \"tag_001\",\n          \"tag_002\"\n        ]\n      },\n      \"connection\": {\n        \"clientId\": \"client_001\",\n        \"topicUp\": \"lorawan/topicUp\",\n        \"topicDown\": \"lorawan/topicDown\",\n        \"description\": \"Conexão para monitoramento remoto\",\n        \"authorization\": \"Basic abc123xyz\",\n        \"uri\": \"mqtt://teste.teste\",\n        \"url\": \"https://teste.teste\",\n        \"type\": \"mqtt\"\n      }\n    }\n  ]\n}"

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

{
  "message": "Encaminhamento criado com sucesso."
}

{
  "errors": "Parameter not found"
}