Linkup

Linkup is a web search API for AI applications that delivers sourced and cited answers.

Linkup provides a web search API designed specifically for AI applications and agents. It delivers sourced and cited answers with full-text snippets from across the web. Users can tune the index, select sources, and set freshness controls through a single API call or deploy the system inside their own cloud or private index. The platform integrates with the OpenAI SDK wrapper, LangChain, and CrewAI. It supports use cases such as legal AI, research copilots, sales agents, and voice applications for enterprises and AI labs.

Linkup at a glance

Best for: Software engineer, Founder, Researcher
Runs on: API, Web
Pricing: Free plan with 4,000 queries; pay-as-you-go pricing starting at $0.001 per fetch, $0.005 per search, and $0.25 per research; custom enterprise pricing available.
Released: November 2024
Category: AI search engine
Website: linkup.so

Key features

Web search API for AI applications
Private index for proprietary data
Bring your own cloud deployment
URL content extraction
Asynchronous deep research
OpenAI SDK wrapper integration
LangChain and CrewAI support

Use it for

Agentic deal sourcing and investment intelligence
Real-time corporate intelligence for cyber security
Instant customer enrichment for AI BDRs
Sales enablement with enriched pipeline data
Legal research and compliance

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