Exa

aid: exa
name: Exa
description: Exa is a neural web search API designed for AI agents and applications. It combines a purpose-built web index
  with embedding-based retrieval to deliver highly relevant results across categories such as full web, news, companies, research,
  people, and financials. Exa exposes search, contents, find similar, and answer endpoints, with multiple search modes ranging
  from fast sub-second responses to deeper multi-step research. It also returns token-efficient highlights and summaries that
  reduce LLM input costs and supports structured output extraction across more than 70 million indexed companies. Exa is SOC
  2 Type II certified, offers Zero Data Retention, and ships Python and JavaScript SDKs.
type: Index
accessModel:
  pricing: free
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Free · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
position: Provider
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/exa.png
tags:
- Search
- Neural Search
- AI Agents
- LLMs
- Web Index
- Retrieval
- Answer
- Contents
- Find Similar
- Research
- SOC 2
- MCP
url: https://raw.githubusercontent.com/api-evangelist/exa/refs/heads/main/apis.yml
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.20'
apis:
- aid: exa:search-api
  name: Exa Search API
  description: The Exa Search API provides neural web search, contents retrieval, find similar, and grounded answers for AI
    agents. Multiple speed modes range from fast 250ms searches to deep research lasting tens of seconds, and category indexes
    cover companies, people, news, and research papers.
  humanURL: https://exa.ai/docs
  baseURL: https://api.exa.ai
  tags:
  - Search
  - Contents
  - Find Similar
  - Answer
  - Highlights
  - Summaries
  - REST
  properties:
  - type: Documentation
    url: https://exa.ai/docs
  - type: GettingStarted
    url: https://dashboard.exa.ai/onboarding
  - type: Signup
    url: https://dashboard.exa.ai
  - type: APIReference
    url: https://exa.ai/docs/reference/search
  - type: SDKs
    url: https://github.com/exa-labs/exa-py
  - type: SDKs
    url: https://github.com/exa-labs/exa-js
  - type: GitHubRepository
    url: https://github.com/exa-labs
  - type: Pricing
    url: https://exa.ai/pricing
  - type: Authentication
    url: https://dashboard.exa.ai/api-keys
  features:
  - name: Neural Search
    description: Embedding-based search across a purpose-built web index optimized for AI agents.
  - name: Contents API
    description: Extract clean page contents and highlights from URLs returned by search.
  - name: Find Similar
    description: Discover semantically similar pages given a seed URL.
  - name: Answer API
    description: Generate grounded answers with citations using live search results.
  - name: Speed Modes
    description: Fast, Auto, and Deep modes trade latency for comprehensiveness and reasoning depth.
  - name: Category Indexes
    description: Specialized indexes for companies, people, news, research papers, and financials.
  - name: Structured Output
    description: Extract structured JSON from results using an output schema across 70M+ companies.
  - name: Token-Efficient Highlights
    description: Return condensed highlights to reduce LLM input tokens by up to 90 percent.
  - name: Enterprise Controls
    description: SOC 2 Type II, Zero Data Retention option, and SSO for enterprise customers.
  useCases:
  - name: Agent Web Search
    description: Equip agents with a web search tool tuned for relevance and freshness.
  - name: Deep Research
    description: Run multi-step research with citation-grounded answers and contents.
  - name: Competitor and Market Intel
    description: Find similar companies, monitor news, and extract structured firmographics.
  - name: RAG Over the Web
    description: Use search and contents endpoints as a web retrieval layer for RAG pipelines.
  - name: Lead and People Search
    description: Query the People and Companies indexes for sales and recruiting workflows.
  integrations:
  - name: LangChain
  - name: LlamaIndex
  - name: CrewAI
  - name: Vercel AI SDK
  - name: OpenAI
  - name: Anthropic
  - name: Model Context Protocol
  - name: LangGraph
  - name: Pydantic AI
  - name: Mastra
  authentication:
  - type: API Key
    description: Authenticate with an API key via the x-api-key header.
- aid: exa:exa-answer-api
  name: Exa Answer API
  description: The Answer API from Exa — 1 operation(s) for answer.
  humanURL: https://exa.ai/docs
  baseURL: https://api.exa.ai
  tags:
  - Answer
  properties:
  - type: OpenAPI
    url: openapi/exa-answer-api-openapi.yml
- aid: exa:exa-contents-api
  name: Exa Contents API
  description: The Contents API from Exa — 1 operation(s) for contents.
  humanURL: https://exa.ai/docs
  baseURL: https://api.exa.ai
  tags:
  - Contents
  properties:
  - type: OpenAPI
    url: openapi/exa-contents-api-openapi.yml
- aid: exa:exa-search-api
  name: Exa Search API
  description: The Search API from Exa — 2 operation(s) for search.
  humanURL: https://exa.ai/docs
  baseURL: https://api.exa.ai
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/exa-search-api-openapi.yml
common:
- type: AgenticAccess
  url: agentic-access/exa-agentic-access.yml
- type: VulnerabilityDisclosure
  url: security/exa-vulnerability-disclosure.yml
- type: DomainSecurity
  url: security/exa-domain-security.yml
- type: Authentication
  url: authentication/exa-authentication.yml
- type: Website
  url: https://exa.ai
- type: Documentation
  url: https://exa.ai/docs
- type: Blog
  url: https://exa.ai/blog
- type: GitHubOrganization
  url: https://github.com/exa-labs
- type: Pricing
  url: https://exa.ai/pricing
- type: TermsOfService
  url: https://exa.ai/terms
- type: PrivacyPolicy
  url: https://exa.ai/privacy-policy
- type: Discord
  url: https://discord.gg/HCShtBqbfV
- type: X
  url: https://x.com/exaailabs
- type: LinkedIn
  url: https://www.linkedin.com/company/exa-ai
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com