# Sending SMS (Text Message)

Invoke our API from your application by sending an HTTP POST containing a JSON document with valid attributes. Once delivery is attempted, you will receive a callback containing the delivery status to the webhook you specified in your API settings.

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### Explore our SMS Resources

* [API Endpoint](/drop-cowboy-docs/api/sending-sms-text-message/api-endpoint.md)
* [Webhooks](/drop-cowboy-docs/api/sending-sms-text-message/webhooks.md)


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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://drop-cowboy.gitbook.io/drop-cowboy-docs/api/sending-sms-text-message.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.