> For the complete documentation index, see [llms.txt](https://developer.ultimo.net/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://developer.ultimo.net/getting-started/introduction.md).

# Introduction

Ultimo Business Integration provides APIs to Ultimo for third-party applications. The APIs offer the following functions:

* Retrieve data
* Insert data
* Update data
* Delete data

Ultimo Business Integration can be described as:

* A default integration platform
* Offering import & export functionalities
* Based on XML, CSV or JSON
* Accessible via webservices

Ultimo Business Integration offers:

* Support for standards like REST
* Various default integrations
* Additional interfaces created by (partner) consultants
* Integration with files or webservice requests
* Possibilities for XSL transformation
* Default logging and rollback mechanisms

Ultimo is able to process the received data using the built-in business logic. The following types of communications are supported to access the API:

{% content-ref url="/pages/-MZmRmSqZJm8Yn2dUARj" %}
[REST](/api-guide/rest.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MZmRmSvkkuZXaUvv6Nm" %}
[HTTP POST](/api-guide/http-post.md)
{% endcontent-ref %}

{% content-ref url="/pages/-MZmRmT-0oBF9NhPVpYb" %}
[SOAP](/api-guide/soap.md)
{% endcontent-ref %}


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