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Documentation Index

Fetch the complete documentation index at: https://exa.ai/docs/llms.txt

Use this file to discover all available pages before exploring further.

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Overview

Microsoft deprecated the Bing Search API on August 11th, 2025. This guide provides the technical details needed to migrate from Bing Search API to Exa’s search API.

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Quick Start

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Get your API key

Get your Exa API key

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Install the SDK

pip install exa-py

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Replace your API calls

Bing 
curl -H "Ocp-Apim-Subscription-Key: YOUR_BING_KEY" \
  "https://api.bing.microsoft.com/v7.0/search?q=latest%20AI%20news&count=10"
Exa 
curl -X POST https://api.exa.ai/search \
  -H "x-api-key: YOUR_EXA_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "query": "latest AI news",
    "numResults": 10
  }'

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Parameter Mapping

Bing ParameterExa ParameterNotes
qqueryRequired parameter
countnumResultsDefault: 10, Max: 100
mkt, ccuserLocationUse 2-letter ISO country code
freshnessstartPublishedDate
endPublishedDate
startCrawlDate
endCrawlDate		Use ISO 8601 date format
site: operatorincludeDomains
excludeDomains		Use arrays of domain strings
Query filtersincludeText
excludeText		Use arrays of phrase filters
safeSearchmoderationDisabled by default, set to true to enable
offsetNot supported

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Response Format Differences

Bing Response Structure 
{
  "webPages": {
    "value": [
      {
        "name": "Page Title",
        "url": "https://example.com",
        "snippet": "Description...",
        "dateLastCrawled": "2025-08-11T00:00:00"
      }
    ]
  }
}
Exa Response Structure 
{
  "results": [
    {
      "title": "Page Title",
      "url": "https://example.com",
      "publishedDate": "2025-08-11",
      "author": "Author Name",

      "text": "Full content when requested...",
      "highlights": ["Key sentences..."]
    }
  ],
  "requestId": "unique-id"
}

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Examples

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Fresh Content Search

Bing 
curl -H "Ocp-Apim-Subscription-Key: YOUR_KEY" \
  "https://api.bing.microsoft.com/v7.0/search?q=AI+news&freshness=Week"
Exa 
curl -X POST https://api.exa.ai/search \
  -H "x-api-key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "query": "AI news",
    "startPublishedDate": "2025-08-04T00:00:00Z",
    "type": "auto"
  }'
Bing 
curl -H "Ocp-Apim-Subscription-Key: YOUR_KEY" \
  "https://api.bing.microsoft.com/v7.0/search?q=site:arxiv.org+transformers"
Exa 
curl -X POST https://api.exa.ai/search \
  -H "x-api-key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "query": "transformers",
    "includeDomains": ["arxiv.org"],
    "type": "auto"
  }'

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Search with Content Extraction

Exa provides integrated content extraction, eliminating the need for separate API calls: 
curl -X POST https://api.exa.ai/search \
  -H "x-api-key: YOUR_KEY" \
  -H "Content-Type: application/json" \
  -d '{
    "query": "climate change research",
    "numResults": 5,
    "contents": {
      "text": true,
      "highlights": {
        "query": "key findings"
      }
    }
  }'