# About Postman Calls

## What is Postman Calls?

**Postman Calls** is used by government officers to make outbound calls to members of the public.

{% hint style="info" %}
Please note that Postman Calls is currently accessible for **whitelisted agencies only**. If your agency has a compelling use case related to scam prevention, you may [Contact Us](/help/contact-us.md) to share more details.
{% endhint %}

It is built by [Open Government Products](https://www.open.gov.sg/).

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## Data Classification

Postman Calls can handle data up to **Confidential (Cloud-Eligible)** and **Sensitive High**. 

## Enquiries and FAQs

If you have any questions, please refer to our [FAQ page](/help/faqs.md) for a list of frequently asked questions.

If your question has not been answered, you may [Contact Us](/help/contact-us.md) and our team will get back to you.


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# Agent Instructions: Querying This Documentation

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

```
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```

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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.