# Message Sending

{% hint style="warning" %}
Trial accounts and unverified phone numbers are restricted to only sending [templated message](/tutorials/message-sending/message-templates.md) content. [Click here](https://mobile-text-alerts.deskpro.com/kb/articles/phone-number-verification) to learn how to get a verified number and start sending your own content.
{% endhint %}

<table data-view="cards"><thead><tr><th></th><th data-type="content-ref"></th><th data-type="content-ref"></th><th data-type="content-ref"></th><th data-hidden data-card-cover data-type="files"></th></tr></thead><tbody><tr><td>Learn more about how to customize your message sends with the API:</td><td><a href="/pages/uWy7KNA0Up6PqXje2UaC">/pages/uWy7KNA0Up6PqXje2UaC</a></td><td><a href="/pages/m6iwnCASOmJT7lSbnsMZ">/pages/m6iwnCASOmJT7lSbnsMZ</a></td><td><a href="/pages/ppRHXnt9apnb2SkGrwqO">/pages/ppRHXnt9apnb2SkGrwqO</a></td><td></td></tr><tr><td>Learn how to receive message responses and to reply to them with the API</td><td><a href="/pages/MLJ7XFyQW5wVegwth8qV">/pages/MLJ7XFyQW5wVegwth8qV</a></td><td></td><td></td><td></td></tr><tr><td>Learn how to use Message Templates in send requests to the API:</td><td><a href="/pages/QKONFp0VATYMHRbtgsOH">/pages/QKONFp0VATYMHRbtgsOH</a></td><td></td><td></td><td></td></tr></tbody></table>


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# 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.mobile-text-alerts.com/tutorials/message-sending.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.