# Authentication Types Available

Supported authentication methods:

* OAuth2
* OAuth1
* Username and password
* BasicAuth
* API Key
* Bearer Token
* AWS signature
* Refreshable tokens (all kinds of OAuth2 derivatives)
* No authentication (simple requests via the Rest Helper)

{% content-ref url="authentication/setting-up-authentication" %}
[setting-up-authentication](https://docs.locoia.com/connectors/authentication/setting-up-authentication)
{% endcontent-ref %}

{% content-ref url="authentication/how-are-api-versioning-and-api-updates-handeled" %}
[how-are-api-versioning-and-api-updates-handeled](https://docs.locoia.com/connectors/authentication/how-are-api-versioning-and-api-updates-handeled)
{% endcontent-ref %}