Linkup provides an API to connect LLMs to the web and the Linkup Premium Partner sources.

​
Installation and Setup

To use the Linkup provider, you first need a valid API key, which you can find by signing-up here. You will also need the langchain-linkup package, which you can install using pip: 
pip install langchain-linkup

​
Retriever

See a usage example. 
from langchain_linkup import LinkupSearchRetriever

retriever = LinkupSearchRetriever(
    depth="deep",  # "standard" or "deep"
    linkup_api_key=None,  # API key can be passed here or set as the LINKUP_API_KEY environment variable
)

​
Tools

See a usage example. 
from langchain_linkup import LinkupSearchTool

tool = LinkupSearchTool(
    depth="deep",  # "standard" or "deep"
    output_type="searchResults",  # "searchResults", "sourcedAnswer" or "structured"
    linkup_api_key=None,  # API key can be passed here or set as the LINKUP_API_KEY environment variable
)