> For the complete documentation index, see [llms.txt](https://docs.powens.com/api-reference/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.powens.com/api-reference/products/documents-aggregation.md).

# DOCUMENTS AGGREGATION

- [Subscriptions](https://docs.powens.com/api-reference/products/documents-aggregation/subscriptions.md): The Proof & Certificates Retrieval product lets you retrieve subscriptions of end users. Subscriptions are associated with a connection, and a connector (a provider).
- [Documents](https://docs.powens.com/api-reference/products/documents-aggregation/documents.md)
- [Document types](https://docs.powens.com/api-reference/products/documents-aggregation/document-types.md)
- [Connection Identity](https://docs.powens.com/api-reference/products/documents-aggregation/connection-identity.md): We provide the user name and address returned by the institution about the user who established a connection.