---
title: Use HDAP
description: Overview of the PingDS HDAP APIs for REST-based HTTP access to directory data, with links to each operation.
component: pingds
version: 7.5
page_id: pingds:rest-guide:preface
canonical_url: https://docs.pingidentity.com/pingds/8.1/rest-guide/preface.html
llms_txt: https://docs.pingidentity.com/pingds/llms.txt
docs_for_agents: https://developer.pingidentity.com/build-with-ai/docs-for-agents.md
revdate: 2024-10-07T16:57:06Z
keywords: ["REST API"]
page_aliases: ["index.adoc"]
superseded_by: https://docs.pingidentity.com/pingds/8.1/rest-guide/preface.html
---

# Use HDAP

This guide shows you how to use the DS **H**TTP **D**irectory **A**ccess **P**rotocol (HDAP) 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*.

|   |                                                                                                                                                                                                                                 |
| - | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
|   | REST to LDAP remains supported [as documented for DS 7.3](https://docs.pingidentity.com/pingds/7.3/rest-guide/preface.html). The interface stability for REST to LDAP is *Deprecated* in favor of HDAP for future applications. |

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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.