# Recorded Future Documentation > Recorded Future API documentation This file lists one part of the documentation. The full index is at https://docs.recordedfuture.com/llms.txt. ## API Documentation: Links - Links - [Search for links](https://docs.recordedfuture.com/reference/post_search.md): Search for validated relationships between entities in the Links graph. Links represent technically validated relationships between entities — established through sandbox analysis, infrastructure… - Metadata - [Technical analysis event types](https://docs.recordedfuture.com/reference/get_metadata-events.md): Returns a list of available types of technical analysis sources for the link, like Malware Analysis. This can be used to indicate which technical sources that should be included in a search query. - [Target entity types](https://docs.recordedfuture.com/reference/get_metadata-entities.md): Return a list of available types of target entities, this can be used to indicate which entity types should be returned for a query. - [Link sections](https://docs.recordedfuture.com/reference/get_metadata-sections.md): Return a list of available types of links, representing different relationships between target entities and linked entities.