# Data Extraction API

{% content-ref url="data-extraction-api/authentication" %}
[authentication](https://clik-ai.gitbook.io/smart-extract-documentation/v4.0.3/api-reference/data-extraction-api/authentication)
{% endcontent-ref %}

{% content-ref url="data-extraction-api/smartextract-json-api" %}
[smartextract-json-api](https://clik-ai.gitbook.io/smart-extract-documentation/v4.0.3/api-reference/data-extraction-api/smartextract-json-api)
{% endcontent-ref %}
