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Langbase

Web Search langbase.tools.webSearch()

You can use the tools.webSearch() function to search the web for relevant information. This functionality is powered by Exa, and you'll need to obtain an API key from them to use this feature.

Pre-requisites

  1. Langbase API Key: Generate your API key from the User/Org API key documentation.
  2. Exa API Key: Sign up at Exa Dashboard to get your web search API key.

API reference

langbase.tools.webSearch(options)

Search the web by running the langbase.tools.webSearch() function.

Function Signature

langbase.tools.webSearch(options);

// with types
langbase.tools.webSearch(options: ToolWebSearchOptions);

options

  • Name
    options
    Type
    ToolWebSearchOptions
    Description

    ToolWebSearchOptions Object

    interface ToolWebSearchOptions {
	query: string;
	service: 'exa';
	apiKey: string;
	totalResults?: number;
	domains?: string[];
}

    Following are the properties of the options object.

query

  • Name
    query
    Type
    string
    Required
    Required
    Description

    The search query to execute.

service

  • Name
    service
    Type
    string
    Required
    Required
    Description

    Currently only supports 'exa' as the search service provider.

apiKey

  • Name
    apiKey
    Type
    string
    Required
    Required
    Description

    Your Exa API key – get one from the Exa Dashboard.

totalResults

  • Name
    totalResults
    Type
    number
    Description

    The maximum number of results to return from the search.

domains

  • Name
    domains
    Type
    string[]
    Description

    Optional array of domains to restrict the search to.

Install the SDK

npm i langbase

Environment variables

.env file

LANGBASE_API_KEY="<USER/ORG-API-KEY>"
EXA_API_KEY="<EXA-API-KEY>"

langbase.tools.webSearch() examples

langbase.tools.webSearch()

import { Langbase } from 'langbase';

const langbase = new Langbase({
	apiKey: process.env.LANGBASE_API_KEY!,
});

async function main() {
	const results = await langbase.tools.webSearch({
		query: 'What is Langbase?',
		service: 'exa',
		apiKey: process.env.EXA_API_KEY!,
		totalResults: 2
	});

	console.log('Search results:', results);
}

main();

Response

  • Name
    ToolWebSearchResponse[]
    Type
    Array<object>
    Description

    An array of web search result objects returned by the langbase.tools.webSearch() function.

    ToolWebSearchResponse Type

    interface ToolWebSearchResponse {
	url: string;
	content: string;
}
    • Name
      url
      Type
      string
      Description

      The URL of the search result.

    • Name
      content
      Type
      string
      Description

      The extracted content from the search result.

ToolWebSearchResponse Example

[
	{
		"url": "https://langbase.com/docs/introduction",
		"content": "Langbase is a powerful AI development platform..."
	},
	{
		"url": "https://langbase.com/docs/getting-started",
		"content": "Get started with Langbase by installing our SDK..."
	}
]