---
title: Use HDAP
description: These pages show you how to use the DS HTTP directory access protocol (HDAP) APIs for REST-based HTTP access to directory services. HDAP transforms HTTP operations into LDAP operations and maps JSON resources to LDAP entries.
component: pingds
version: 8.1
page_id: pingds:rest-guide:preface
canonical_url: https://docs.pingidentity.com/pingds/8.1/rest-guide/preface.html
revdate: 2025-10-22T14:42:39Z
keywords: ["REST API"]
page_aliases: ["index.adoc"]
---

# Use HDAP

These pages show you how to use the DS HTTP directory access protocol (HDAP) *(tooltip: \<div class="paragraph">
\<p>The DS feature providing REST APIs and HTTP access to directory data.\</p>
\</div>)* APIs for REST-based HTTP access to directory services. HDAP transforms HTTP operations into LDAP operations and maps JSON resources to LDAP entries.

The interface stability for HDAP is *Evolving*.

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#### [Create](create-rest.html)

Create resources over HTTP.

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#### [Read](read-rest.html)

Read resources over HTTP.

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#### [Update](update-rest.html)

Update resources over HTTP.

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#### [Delete](delete-rest.html)

Delete resources over HTTP.

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#### [Search](query-rest.html)

Query DS over HTTP.

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#### [Passwords/Accounts](action-rest.html)

Manage passwords and accounts.