# Send SMS (v1)

{% hint style="info" %}
`https://sms.textcus.com/api/send?destination={recipient}&source={sender}&dlr={0}&type={0}&message={message}`
{% endhint %}

<mark style="color:red;">NB: Please remove the curly bracket in the URL when testing</mark>

<mark style="color:$danger;">**API v1.0 has been discontinued and will no longer be supported. Please use API v2.0.**</mark>

## Endpoint <a href="#endpoint" id="endpoint"></a>

<mark style="color:green;">**`GET`**</mark> `https://sms.textcus.com/api/send`

## **Request Parameters**

Below is a list of parameters when issuing an HTTP Request.

<table><thead><tr><th width="226">Parameters</th><th width="160">Type</th><th>Description</th></tr></thead><tbody><tr><td><code>type</code></td><td>Required</td><td>It indicates the type of message.<br>Values for "type" include:<br>0 : Plain text (GSM 3.38 Character encoding)<br>1 : Flash (GSM 3.38 Character encoding)<br>2 : Unicode<br>3 : Reserved<br>5 : Plain text (ISO-8859-1 Character encoding)<br>6 : Unicode Flash<br>7 : Flash (ISO-8859-1 Character encoding)</td></tr><tr><td><code>source</code></td><td>Required</td><td>The source address that should appear in the message.<br>- Max Length of 18 if numeric.<br>- Max Length of 11 if alphanumeric.<br>To prefix the plus sign (+) to the sender’s address when the message is displayed on their mobile phone, please prefix the plus sign to your sender’s address while submitting the message.<br>Note: You need to URL encode the plus sign. The SMSC may enforce additional restrictions on this field.</td></tr><tr><td><code>destination</code></td><td>Required</td><td>Recipient phone number<br>Must be a valid MSIDSN<br>Must be in the international telephone number format (may or may not include a plus [+] sign) symbol. e.g. 233241234567 or +233241234567<br>Multiple mobile numbers need to be separated by a comma (,) (the comma should be URL encoded).</td></tr><tr><td><code>dlr</code></td><td>Required</td><td>Indicates whether the client wants a delivery report for this message.<br>The values for "dlr" include:<br>0 : No delivery report required<br>1 : Delivery report required</td></tr><tr><td><code>message</code></td><td>Required</td><td>The message to be sent. Must be URL encoded.</td></tr><tr><td><code>time</code></td><td>Optional</td><td>To schedule the message to be sent sometime or date in the future<br>Format: YYYY-MM-DD HH:MM:SS or UNIX TIMESTAMP<br>The Scheduled time must be at least 10 minutes ahead of the current time in UTC</td></tr></tbody></table>

## Sample Requests <a href="#sample-requests" id="sample-requests"></a>

{% tabs %}
{% tab title="PHP" %}

```php
<?php

//defining the parameters
$apiKey = '63f113a2d1d06b27ebd33a4ui63e71902al3'; //Remember to put your account API Key here
$recipient = 23324xxxxxxx; //International format (233) excluding the (+)
$sender = 'TextCus'; //11 Characters maximum
$msg = "Hello, TextCus SMS is the best!";

//encode the message
$message = urlencode($msg);

$url = 'https://sms.textcus.com/api/send?apikey=' . $apiKey . '&destination=' . $recipient . '&source=' . $sender . '&dlr=0&type=0' . '&message=' . $message . '';

$curl = curl_init();

curl_setopt_array($curl, array(
  CURLOPT_URL => $url,
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => 'GET',
));

$response = curl_exec($curl);

curl_close($curl);
echo $response;

?>
```

{% endtab %}
{% endtabs %}

## Sample Response <a href="#sample-response" id="sample-response"></a>

{% tabs %}
{% tab title="Success" %}

```json
{
    "status": 200,
    "message": "Message sent successfully"
}
```

{% endtab %}

{% tab title="Errors" %}

```json
{
    "status": 401,
    "error": "Authentication invalid"
}, 

{
    "status": 401,
    "error": "Unauthorized: Invalid API Key"
}
```

{% endtab %}
{% endtabs %}


---

# Agent Instructions: 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://developers.textcus.com/overview/send-sms-v1.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.