The Unstructured Serverless 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.
  • Unstructured Serverless API: Serverless API hosted by Unstructured, scalable and secure, your data remains private, pay-as-you-go.
  • Marketplace Unstructured API: the functionality and security of the Unstructured Serverless 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.

CategoryFile 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 to learn more.

Get Support

Should you require any assistance or have any questions regarding the Unstructured API, please contact our support team at