> ## Documentation Index
> Fetch the complete documentation index at: https://unstructured-53-kapa-ai.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Unstructured API Services

The Unstructured API documentation covers the following API services:

* Free Unstructured API: hosted by Unstructured, data processing is capped to 1000 pages, documents submitted to the free API may be utilized for our proprietary model training and evaluation purposes.
* SaaS Unstructured API: SaaS API hosted by Unstructured, scalable and secure, your data remains private, pay-as-you-go.
* Marketplace Unstructured API: the functionality and security of the SaaS Unstructured API, but deployed via Azure or AWS marketplace, in your preferred infrastructure.

## Supported File Types

Unstructured API supports the same file types as the open source Unstructured library.
However, the Unstructured API services include more powerful file transformation capabilities,
such as a more accurate table extraction model.

| Category  | File Types                                                     |
| --------- | -------------------------------------------------------------- |
| Plaintext | .eml, .html, .md, .msg, .rst, .rtf, .txt, .xml                 |
| Images    | .png, .jpg, .jpeg, .tiff, .bmp, .heic                          |
| Documents | .csv, .doc, .docx, .epub, .odt, .pdf, .ppt, .pptx, .tsv, .xlsx |

## Data Ingestion

Unstructured API services support ingesting data from various sources - refer to [unstructured-ingest documentation](/open-source/ingest/overview) to learn more.

## Get Support

Should you require any assistance or have any questions regarding the Unstructured API, please contact our support team at [support@unstructured.io](mailto:support%40unstructured.io).