curl -X POST https://api-dev.messagefy.io/api/v1/message/SendMessage \
  -H "Content-Type: application/json" \
  -H "X-API-KEY: sua-api-key-aqui" \
  -d '{
    "channelId": "seu-channel-id",
    "content": {
      "type": "TEXT",
      "to": {
        "type": "WHATSAPP",
        "number": "5511999999999"
      },
      "text": "Olá!"
    }
  }'

import requests

response = requests.post(
    "https://api-dev.messagefy.io/api/v1/message/SendMessage",
    headers={
        "Content-Type": "application/json",
        "X-API-KEY": "sua-api-key-aqui"
    },
    json={
        "channelId": "seu-channel-id",
        "content": {
            "type": "TEXT",
            "to": {
                "type": "WHATSAPP",
                "number": "5511999999999"
            },
            "text": "Olá!"
        }
    }
)
print(response.json())

const response = await fetch(
  "https://api-dev.messagefy.io/api/v1/message/SendMessage",
  {
    method: "POST",
    headers: {
      "Content-Type": "application/json",
      "X-API-KEY": "sua-api-key-aqui",
    },
    body: JSON.stringify({
      channelId: "seu-channel-id",
      content: {
        type: "TEXT",
        to: {
          type: "WHATSAPP",
          number: "5511999999999",
        },
        text: "Olá!",
      },
    }),
  }
);
const data = await response.json();
console.log(data);

using var client = new HttpClient();
client.DefaultRequestHeaders.Add("X-API-KEY", "sua-api-key-aqui");

var payload = new
{
    channelId = "seu-channel-id",
    content = new
    {
        type = "TEXT",
        to = new { type = "WHATSAPP", number = "5511999999999" },
        text = "Olá!"
    }
};

var response = await client.PostAsJsonAsync(
    "https://api-dev.messagefy.io/api/v1/message/SendMessage",
    payload
);
var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);