Documentación de la API

Copiar<?php
$apiKey  = 'TU_API_KEY';
$baseUrl = 'https://oietema.com/whatsapp/';

$data = [
    'to'      => '595981XXXXXX',
    'message' => 'Hola desde PHP 👋',
];

$ch = curl_init($baseUrl . 'api/send/text');
curl_setopt_array($ch, [
    CURLOPT_POST           => true,
    CURLOPT_POSTFIELDS     => json_encode($data),
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => [
        'Authorization: Bearer ' . $apiKey,
        'Content-Type: application/json',
    ],
]);
$response = curl_exec($ch);
curl_close($ch);

$result = json_decode($response, true);
if ($result['ok']) {
    echo 'Enviado! ID: ' . $result['messageId'];
} else {
    echo 'Error: ' . $result['error'];
}

Copiar' Requiere referencia a: Microsoft XML v6.0 (msxml6.dll)
' y Microsoft Scripting Runtime (para JSON simple)

Private Sub EnviarWhatsApp(numero As String, mensaje As String)
    Dim http  As New MSXML2.XMLHTTP60
    Dim sUrl  As String
    Dim sBody As String
    Dim sKey  As String

    sKey  = "TU_API_KEY"
    sUrl  = "https://oietema.com/whatsapp/api/send/text"
    sBody = "{""to"":""" & numero & """,""message"":""" & mensaje & """}"

    http.Open "POST", sUrl, False
    http.setRequestHeader "Authorization", "Bearer " & sKey
    http.setRequestHeader "Content-Type", "application/json"
    http.send sBody

    If InStr(http.responseText, """ok"":true") > 0 Then
        MsgBox "Mensaje enviado correctamente", vbInformation
    Else
        MsgBox "Error: " & http.responseText, vbCritical
    End If
End Sub

' Uso:
EnviarWhatsApp "595981XXXXXX", "Hola desde VB6!"

CopiarImports System.Net
Imports System.Text
Imports System.IO

Public Sub EnviarWhatsApp(numero As String, mensaje As String)
    Dim url  As String = "https://oietema.com/whatsapp/api/send/text"
    Dim key  As String = "TU_API_KEY"
    Dim body As String = $"""{{""to"":""{numero}"",""message"":""{mensaje}""}}"""

    Dim req As HttpWebRequest = WebRequest.Create(url)
    req.Method      = "POST"
    req.ContentType = "application/json"
    req.Headers.Add("Authorization", "Bearer " & key)

    Dim bytes() As Byte = Encoding.UTF8.GetBytes(body)
    req.ContentLength = bytes.Length
    Using s = req.GetRequestStream() : s.Write(bytes, 0, bytes.Length) : End Using

    Using resp = req.GetResponse()
        Using sr = New StreamReader(resp.GetResponseStream())
            Dim result = sr.ReadToEnd()
            MessageBox.Show("Respuesta: " & result)
        End Using
    End Using
End Sub

Copiarimport requests

api_key  = "TU_API_KEY"
base_url = "https://oietema.com/whatsapp/"

response = requests.post(
    base_url + "api/send/text",
    headers={"Authorization": f"Bearer {api_key}"},
    json={"to": "595981XXXXXX", "message": "Hola desde Python 🐍"},
)

data = response.json()
if data.get("ok"):
    print(f"Enviado! ID: {data['messageId']}")
else:
    print(f"Error: {data['error']}")

Copiarconst apiKey  = 'TU_API_KEY';
const baseUrl = 'https://oietema.com/whatsapp/';

const res = await fetch(baseUrl + 'api/send/text', {
  method: 'POST',
  headers: {
    'Authorization': `Bearer ${apiKey}`,
    'Content-Type': 'application/json',
  },
  body: JSON.stringify({ to: '595981XXXXXX', message: 'Hola desde JS 👾' }),
});
const data = await res.json();
console.log(data); // { ok: true, messageId: '...' }

Copiarusing System.Net.Http;
using System.Text;

var client = new HttpClient();
client.DefaultRequestHeaders.Add("Authorization", "Bearer TU_API_KEY");

var body = new StringContent(
    """{"to":"595981XXXXXX","message":"Hola desde C# 🚀"}""",
    Encoding.UTF8, "application/json"
);

var response = await client.PostAsync(
    "https://oietema.com/whatsapp/api/send/text", body
);
var result = await response.Content.ReadAsStringAsync();
Console.WriteLine(result);

Copiar// Requiere: Indy (TIdHTTP) — incluido en Delphi/Lazarus
uses
  IdHTTP, IdSSLOpenSSL, Classes;

procedure EnviarWhatsApp(numero, mensaje: string);
var
  HTTP   : TIdHTTP;
  SSL    : TIdSSLIOHandlerSocketOpenSSL;
  Body   : TStringStream;
  Result : string;
begin
  HTTP  := TIdHTTP.Create(nil);
  SSL   := TIdSSLIOHandlerSocketOpenSSL.Create(nil);
  Body  := TStringStream.Create(
    '{"to":"' + numero + '","message":"' + mensaje + '"}',
    TEncoding.UTF8
  );
  try
    HTTP.IOHandler := SSL;
    HTTP.Request.CustomHeaders.Values['Authorization'] := 'Bearer TU_API_KEY';
    HTTP.Request.ContentType := 'application/json';
    Result := HTTP.Post('https://oietema.com/whatsapp/api/send/text', Body);
    ShowMessage('Respuesta: ' + Result);
  finally
    Body.Free; SSL.Free; HTTP.Free;
  end;
end;

CopiarDim http As New MSXML2.XMLHTTP60
Dim sBody As String

sBody = "{""to"":""595981XXXXXX""" & _
         ",""url"":""https://ejemplo.com/imagen.jpg""" & _
         ",""caption"":""Mi imagen""}"

http.Open "POST", "https://oietema.com/whatsapp/api/send/image", False
http.setRequestHeader "Authorization", "Bearer TU_API_KEY"
http.setRequestHeader "Content-Type", "application/json"
http.send sBody
MsgBox http.responseText

Copiarimport requests, base64

# Opción 1: por URL
r = requests.post(
    "https://oietema.com/whatsapp/api/send/image",
    headers={"Authorization": "Bearer TU_API_KEY"},
    json={"to": "595981XXXXXX", "url": "https://ejemplo.com/img.jpg", "caption": "Foto"},
)

# Opción 2: base64
with open("imagen.jpg", "rb") as f:
    b64 = base64.b64encode(f.read()).decode()
r = requests.post(
    "https://oietema.com/whatsapp/api/send/image",
    headers={"Authorization": "Bearer TU_API_KEY"},
    json={"to": "595981XXXXXX", "dataBase64": b64},
)
print(r.json())

Copiarcurl -X POST https://oietema.com/whatsapp/api/send/image \
  -H "Authorization: Bearer TU_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"to":"595981XXXXXX","url":"https://ejemplo.com/img.jpg","caption":"Foto"}'

Copiar' Función para convertir archivo a Base64 en VB6
Function FileToBase64(filePath As String) As String
    Dim xml As New MSXML2.DOMDocument60
    Dim node As MSXML2.IXMLDOMElement
    Dim stream As New ADODB.Stream

    stream.Type = 1 ' adTypeBinary
    stream.Open
    stream.LoadFromFile filePath
    Set node = xml.createElement("b64")
    node.dataType = "bin.base64"
    node.nodeTypedValue = stream.Read()
    FileToBase64 = node.Text
End Function

' Enviar el PDF
Sub EnviarPDF()
    Dim http As New MSXML2.XMLHTTP60
    Dim b64  As String
    b64 = FileToBase64("C:\facturas\factura.pdf")

    Dim body As String
    body = "{""to"":""595981XXXXXX""" & _
            ",""dataBase64"":""" & b64 & """" & _
            ",""filename"":""factura.pdf""" & _
            ",""caption"":""Tu factura""}"

    http.Open "POST", "https://oietema.com/whatsapp/api/send/document", False
    http.setRequestHeader "Authorization", "Bearer TU_API_KEY"
    http.setRequestHeader "Content-Type", "application/json"
    http.send body
    MsgBox http.responseText
End Sub

Copiarimport requests, base64

with open("factura.pdf", "rb") as f:
    b64 = base64.b64encode(f.read()).decode()

r = requests.post(
    "https://oietema.com/whatsapp/api/send/document",
    headers={"Authorization": "Bearer TU_API_KEY"},
    json={
        "to":         "595981XXXXXX",
        "dataBase64": b64,
        "filename":   "factura.pdf",
        "caption":    "Tu factura del mes",
    },
)
print(r.json())

Copiarcurl -X POST https://oietema.com/whatsapp/api/send/document \
  -H "Authorization: Bearer TU_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{"to":"595981XXXXXX","url":"https://ejemplo.com/archivo.pdf","filename":"archivo.pdf"}'

Copiarcurl "https://oietema.com/whatsapp/api/send?key=TU_API_KEY&to=595981XXXXXX&message=Hola+desde+curl"

CopiarDim http As New MSXML2.XMLHTTP60
Dim sUrl As String

' Reemplazá espacios con + y caracteres especiales con %XX
sUrl = "https://oietema.com/whatsapp/api/send" & _
        "?key=TU_API_KEY" & _
        "&to=595981XXXXXX" & _
        "&message=Hola+desde+VB6"

http.Open "GET", sUrl, False
http.send

If InStr(http.responseText, """ok"":true") > 0 Then
    MsgBox "Mensaje enviado!", vbInformation
Else
    MsgBox "Error: " & http.responseText, vbCritical
End If

Copiar<?php
$url = 'https://oietema.com/whatsapp/api/send?' . http_build_query([
    'key'     => 'TU_API_KEY',
    'to'      => '595981XXXXXX',
    'message' => 'Hola desde PHP con GET',
]);
$r = json_decode(file_get_contents($url), true);
echo $r['ok'] ? 'Enviado!' : 'Error: ' . $r['error'];

Copiar<?php
$ch = curl_init('https://oietema.com/whatsapp/api/session/start');
curl_setopt_array($ch, [
    CURLOPT_POST           => true,
    CURLOPT_POSTFIELDS     => '',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => ['Authorization: Bearer TU_API_KEY'],
]);
$r = json_decode(curl_exec($ch), true);
curl_close($ch);
// $r['status'] puede ser: connecting | qr | connected | disconnected
echo $r['status'];

Copiarimport requests

r = requests.post(
    "https://oietema.com/whatsapp/api/session/start",
    headers={"Authorization": "Bearer TU_API_KEY"},
)
print(r.json())  # {'status': 'connecting', ...}

Copiarconst res = await fetch('https://oietema.com/whatsapp/api/session/start', {
  method: 'POST',
  headers: { 'Authorization': 'Bearer TU_API_KEY' },
});
const data = await res.json();
console.log(data.status); // 'connecting'

Copiarcurl https://oietema.com/whatsapp/api/session/state \
  -H "Authorization: Bearer TU_API_KEY"

// Respuesta con QR pendiente:
{
  "status": "qr",
  "qrDataUrl": "data:image/png;base64,iVBOR...",
  "user": null,
  "lastError": null
}

// Respuesta cuando ya está conectado:
{
  "status": "connected",
  "qrDataUrl": null,
  "user": { "id": "595981XXXXXX:3@s.whatsapp.net" },
  "lastError": null
}

Copiarimport requests, time

api_key  = "TU_API_KEY"
base_url = "https://oietema.com/whatsapp/"
hdrs     = {"Authorization": f"Bearer {api_key}"}

# 1) Iniciar sesión
requests.post(base_url + "api/session/start", headers=hdrs)

# 2) Polling
for _ in range(20):
    time.sleep(3)
    data = requests.get(base_url + "api/session/state", headers=hdrs).json()

    if data["status"] == "qr":
        # data["qrDataUrl"] es un string "data:image/png;base64,..."
        # Guardarlo como imagen para mostrárselo al usuario
        qr_b64 = data["qrDataUrl"].split(",", 1)[1]
        import base64
        with open("qr.png", "wb") as f:
            f.write(base64.b64decode(qr_b64))
        print("QR guardado en qr.png — escaneá con WhatsApp")

    elif data["status"] == "connected":
        print(f"¡Conectado como {data['user']['id']}")
        break

Copiarconst apiKey  = 'TU_API_KEY';
const base    = 'https://oietema.com/whatsapp/';
const headers = { 'Authorization': `Bearer ${apiKey}` };

// 1) Iniciar
await fetch(base + 'api/session/start', { method: 'POST', headers });

// 2) Polling cada 3 s
const poll = setInterval(async () => {
  const data = await (await fetch(base + 'api/session/state', { headers })).json();

  if (data.status === 'qr') {
    // Mostrar en una imagen HTML
    document.getElementById('qrImg').src = data.qrDataUrl;
  } else if (data.status === 'connected') {
    clearInterval(poll);
    console.log('¡Conectado!', data.user.id);
  }
}, 3000);

Copiar<?php
$ch = curl_init('https://oietema.com/whatsapp/api/session/logout');
curl_setopt_array($ch, [
    CURLOPT_POST           => true,
    CURLOPT_POSTFIELDS     => '',
    CURLOPT_RETURNTRANSFER => true,
    CURLOPT_HTTPHEADER     => ['Authorization: Bearer TU_API_KEY'],
]);
$r = json_decode(curl_exec($ch), true);
curl_close($ch);
echo $r['ok'] ? 'Desconectado' : 'Error';