> For the complete documentation index, see [llms.txt](https://api.senderwiz.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://api.senderwiz.com/customer/transactional-emails/create-a-transactional-email.md).

# Create a Transactional Email

### ✉️ Create a Transactional Email

Use this endpoint to send or schedule a transactional email to a recipient.

***

#### 🔹 HTTP Request

```http
POST API-URL/transactional-emails
```

***

#### 🔐 Authorization Header

```
X-API-KEY: your-api-key-here
```

***

#### 📥 POST Parameters

| Parameter | Type  | Required | Description              |
| --------- | ----- | -------- | ------------------------ |
| `email`   | array | Yes      | Array with email details |

**📌 Data Block - Required**

| Field       | Type     | Required | Description                          |
| ----------- | -------- | -------- | ------------------------------------ |
| `to_name`   | string   | Yes      | Recipient name                       |
| `to_email`  | string   | Yes      | Recipient email                      |
| `from_name` | string   | Yes      | Sender name                          |
| `subject`   | string   | Yes      | Email subject                        |
| `body`      | string   | Yes      | Email body (HTML)                    |
| `send_at`   | datetime | Yes      | UTC datetime in `Y-m-d H:i:s` format |

**📝 Optional Fields**

| Field            | Type   | Description                                  |
| ---------------- | ------ | -------------------------------------------- |
| `plain_text`     | string | Auto generated if missing                    |
| `from_email`     | string | Sender email address                         |
| `reply_to_name`  | string | Reply-to name                                |
| `reply_to_email` | string | Reply-to email address                       |
| `attachments`    | array  | List of attachments (`type`, `name`, `data`) |

***

#### 💻 PHP Example

```php
// CREATE A NEW EMAIL
$rand = rand();
$response = $endpoint->create([
    'to_name'           => 'Lucas Demo',
    'to_email'          => 'lucas@demo.net',
    'from_name'         => 'Evelyn Sender',
    'from_email'        => 'evelyn@demo.net',
    'reply_to_name'     => 'Evelyn Sender',
    'reply_to_email'    => 'evelyn@demo.net',
    'subject'           => 'This is a sample email subject',
    'body'              => '<strong>Hello from SenderWiz!</strong>',
    'plain_text'        => 'Hello from SenderWiz!',
    'send_at'           => date('Y-m-d H:i:s'),
    'attachments'       => [
        [
            'type' => 'image/png',
            'name' => basename(__DIR__ . '/files/image.png'),
            'data' => base64_encode((string)file_get_contents(__DIR__ . '/files/image.png')),
        ],
        [
            'type' => 'application/pdf',
            'name' => basename(__DIR__ . '/files/document.pdf'),
            'data' => base64_encode((string)file_get_contents(__DIR__ . '/files/document.pdf')),
        ],
    ]
]);

// DISPLAY RESPONSE
echo '<hr /><pre>';
print_r($response->body);
echo '</pre>';
```

***

#### 📦 Sample JSON Response

```json
{
  "status": "success",
  "email_uid": "te456j4jqn1a1"
}
```


---

# Agent Instructions
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## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://api.senderwiz.com/customer/transactional-emails/create-a-transactional-email.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.