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This page covers how to use the SerpApi web search APIs within LangChain. It is broken into two parts: installation and setup, and then references to the specific SerpAPI wrapper.

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Installation and setup

  • Install requirements with pip install google-search-results
  • Get a SerpApi API key from here and set it as an environment variable (SERPAPI_API_KEY)

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Wrappers

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Utility

There exists a SerpAPI utility which wraps this API. To import this utility: 
from langchain_community.utilities import SerpAPIWrapper
For a more detailed walkthrough of this wrapper, see this notebook.

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Tool

You can also easily load this wrapper as a Tool (to use with an Agent). You can do this with: 
from langchain_community.agent_toolkits.load_tools import load_tools
tools = load_tools(["serpapi"])
For more information on this, see this page
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