# No Auth APIs

With no auth APIs there is no need to provide any credentials to access the API, they are publicly available. 

{% content-ref url="no-auth-apis/update-data-in-a-data-source" %}
[update-data-in-a-data-source](https://docs.thunkable.com/blocks/advanced-app-features/web-api/no-auth-apis/update-data-in-a-data-source)
{% endcontent-ref %}

{% content-ref url="no-auth-apis/crud-operations" %}
[crud-operations](https://docs.thunkable.com/blocks/advanced-app-features/web-api/no-auth-apis/crud-operations)
{% endcontent-ref %}

{% content-ref url="no-auth-apis/setting-headers" %}
[setting-headers](https://docs.thunkable.com/blocks/advanced-app-features/web-api/no-auth-apis/setting-headers)
{% endcontent-ref %}