# Introduction to Cloud9 APIs

Cloud9 provides a suite of standardized APIs that supports a wide array of functionalities and integrates with best-of-breed apps and services to provide our customers a variety of solutions that fit their needs. Take these simple steps to integrate Cloud9 into other apps and services and streamline your workflows.

### REST API Authentication

To learn more about how Cloud9 securely interacts with other apps and services and authenticates API requests, continue onto the REST API Authentication guide below:

{% content-ref url="rest-api-authentication" %}
[rest-api-authentication](https://symphony-1.gitbook.io/cloud9/rest-api-authentication)
{% endcontent-ref %}

### Role- Based Access Control for Cloud9 API keys

To learn more about how Cloud9 restricts access to resources for individual API keys, continue onto the Role- Based Access Control guide below:

{% content-ref url="role-based-access-control-for-cloud9-api-keys" %}
[role-based-access-control-for-cloud9-api-keys](https://symphony-1.gitbook.io/cloud9/role-based-access-control-for-cloud9-api-keys)
{% endcontent-ref %}

### Cloud9 API Suite

To learn more about all the publicly available Cloud9 APIs and endpoints, continue onto the Cloud9 API Suite guide below:

{% content-ref url="cloud9-api-suite" %}
[cloud9-api-suite](https://symphony-1.gitbook.io/cloud9/cloud9-api-suite)
{% endcontent-ref %}