curl --request POST \
  --url https://api.omni.z-api.io/v1/channels/{channelId}/messages \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "recipient": {
    "identifier": "5544936181064",
    "name": "Nombre del Destinatario",
    "subject": "Título",
    "picture": ""
  },
  "sender": {
    "identifier": "5544936181064",
    "name": "Nombre del Remitente",
    "picture": ""
  },
  "content": {
    "type": "LOCATION",
    "attachments": [
      {
        "name": "Google Brasil",
        "address": "Av. Brg. Faria Lima, 3477 - Itaim Bibi, São Paulo - SP, 04538-133",
        "latitude": "-23.0696347",
        "longitude": "-50.4357913"
      }
    ]
  }
}
'

import requests

url = "https://api.omni.z-api.io/v1/channels/{channelId}/messages"

payload = {
    "recipient": {
        "identifier": "5544936181064",
        "name": "Nombre del Destinatario",
        "subject": "Título",
        "picture": ""
    },
    "sender": {
        "identifier": "5544936181064",
        "name": "Nombre del Remitente",
        "picture": ""
    },
    "content": {
        "type": "LOCATION",
        "attachments": [
            {
                "name": "Google Brasil",
                "address": "Av. Brg. Faria Lima, 3477 - Itaim Bibi, São Paulo - SP, 04538-133",
                "latitude": "-23.0696347",
                "longitude": "-50.4357913"
            }
        ]
    }
}
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({
    recipient: {
      identifier: '5544936181064',
      name: 'Nombre del Destinatario',
      subject: 'Título',
      picture: ''
    },
    sender: {identifier: '5544936181064', name: 'Nombre del Remitente', picture: ''},
    content: {
      type: 'LOCATION',
      attachments: [
        {
          name: 'Google Brasil',
          address: 'Av. Brg. Faria Lima, 3477 - Itaim Bibi, São Paulo - SP, 04538-133',
          latitude: '-23.0696347',
          longitude: '-50.4357913'
        }
      ]
    }
  })
};

fetch('https://api.omni.z-api.io/v1/channels/{channelId}/messages', 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.omni.z-api.io/v1/channels/{channelId}/messages",
  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([
    'recipient' => [
        'identifier' => '5544936181064',
        'name' => 'Nombre del Destinatario',
        'subject' => 'Título',
        'picture' => ''
    ],
    'sender' => [
        'identifier' => '5544936181064',
        'name' => 'Nombre del Remitente',
        'picture' => ''
    ],
    'content' => [
        'type' => 'LOCATION',
        'attachments' => [
                [
                                'name' => 'Google Brasil',
                                'address' => 'Av. Brg. Faria Lima, 3477 - Itaim Bibi, São Paulo - SP, 04538-133',
                                'latitude' => '-23.0696347',
                                'longitude' => '-50.4357913'
                ]
        ]
    ]
  ]),
  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.omni.z-api.io/v1/channels/{channelId}/messages"

	payload := strings.NewReader("{\n  \"recipient\": {\n    \"identifier\": \"5544936181064\",\n    \"name\": \"Nombre del Destinatario\",\n    \"subject\": \"Título\",\n    \"picture\": \"\"\n  },\n  \"sender\": {\n    \"identifier\": \"5544936181064\",\n    \"name\": \"Nombre del Remitente\",\n    \"picture\": \"\"\n  },\n  \"content\": {\n    \"type\": \"LOCATION\",\n    \"attachments\": [\n      {\n        \"name\": \"Google Brasil\",\n        \"address\": \"Av. Brg. Faria Lima, 3477 - Itaim Bibi, São Paulo - SP, 04538-133\",\n        \"latitude\": \"-23.0696347\",\n        \"longitude\": \"-50.4357913\"\n      }\n    ]\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://api.omni.z-api.io/v1/channels/{channelId}/messages")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"recipient\": {\n    \"identifier\": \"5544936181064\",\n    \"name\": \"Nombre del Destinatario\",\n    \"subject\": \"Título\",\n    \"picture\": \"\"\n  },\n  \"sender\": {\n    \"identifier\": \"5544936181064\",\n    \"name\": \"Nombre del Remitente\",\n    \"picture\": \"\"\n  },\n  \"content\": {\n    \"type\": \"LOCATION\",\n    \"attachments\": [\n      {\n        \"name\": \"Google Brasil\",\n        \"address\": \"Av. Brg. Faria Lima, 3477 - Itaim Bibi, São Paulo - SP, 04538-133\",\n        \"latitude\": \"-23.0696347\",\n        \"longitude\": \"-50.4357913\"\n      }\n    ]\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.omni.z-api.io/v1/channels/{channelId}/messages")

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  \"recipient\": {\n    \"identifier\": \"5544936181064\",\n    \"name\": \"Nombre del Destinatario\",\n    \"subject\": \"Título\",\n    \"picture\": \"\"\n  },\n  \"sender\": {\n    \"identifier\": \"5544936181064\",\n    \"name\": \"Nombre del Remitente\",\n    \"picture\": \"\"\n  },\n  \"content\": {\n    \"type\": \"LOCATION\",\n    \"attachments\": [\n      {\n        \"name\": \"Google Brasil\",\n        \"address\": \"Av. Brg. Faria Lima, 3477 - Itaim Bibi, São Paulo - SP, 04538-133\",\n        \"latitude\": \"-23.0696347\",\n        \"longitude\": \"-50.4357913\"\n      }\n    ]\n  }\n}"

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

{
  "messageId": "wamid.HBgNNTU0NDk3MDUwNzg1FQIAERgSM0"
}

{
  "error": 401,
  "message": "Unauthorized"
}

{
  "error": 422,
  "message": "Conversation window is closed"
}