Linkup

What it does

Linkup is a web search API for AI applications. A developer sends a query, a URL to fetch, or a batch of tasks, and receives ranked results, sourced answers with full-text snippets, clean markdown or typed JSON from a page, or a longer research report with inline citations.

Search returns results synchronously, Fetch extracts the content of a known page, and Research runs asynchronously for multi-source synthesis that can take several minutes. The index can be tuned by choosing trusted sources, preferred domains and freshness. Enterprise customers can build a private index of proprietary data or run the indexing layer inside their own cloud.

Linkup suits developers and engineering teams building AI products that need sourced web answers. Access requires an API key from the Linkup app. Pricing is per request by endpoint and mode, with 4,000 free queries and custom Enterprise pricing. Limitations: it is an API rather than an end-user app, and Extract is in closed beta by request.

What it can do

• Search: sub-second to a few seconds web search returning ranked results or sourced answers
• Fetch: extract clean LLM-ready markdown or typed JSON from a known URL
• Research: asynchronous multi-source deep research reports with inline citations
• Tasks: batch up to 100 Search, Fetch or Research calls
• Private Index: dedicated access-controlled index of proprietary data (Enterprise)
• Bring Your Own Cloud: run the indexing layer inside your own infrastructure (Enterprise)

Works with

• OpenAI SDK wrapper
• LangChain
• CrewAI

Before you choose

• Pricing for Search, Fetch and Research is per request and varies by mode; check the rate table before estimating cost.
• Extract is in closed beta and access is granted by request; behavior may change.
• Private Index, Bring Your Own Cloud, IP whitelisting and dedicated support are Enterprise features with custom pricing.

Listed under

• Coding
• MCP and agent tools
• AI agents
• API
• Developers
• Enterprise
• RAG
• Research

Get started

Sign up in the Linkup app to obtain an API key, then follow the quickstart.

1. Sign up in the Linkup app to get an API key.
2. Install the Linkup client library for Python or Node.js, or use cURL.
3. Set the LINKUP_API_KEY environment variable or pass the key to the client and make a first search call.

The pricing page lists a free allowance of 4,000 queries and per-request ranges for Fetch, Search and Research. Whether the free allowance is ongoing or one-time should be confirmed with Linkup. Enterprise pricing is custom and arranged by contacting Linkup.

Source: linkup.so/pricing, checked 29 Oct 2026. Prices can change; check before you buy.

Sources for this overview

Product pages, documentation, and pricing checked 29 Oct 2026. Each source supports part of the overview; availability and prices can change.

• Linkup | The Web Search API for AI ↗www.linkup.so
• Introduction - Linkup API Documentation ↗docs.linkup.so
• Linkup - Pricing ↗www.linkup.so

Company website

linkup.so: product, pricing and policy pages

YC directory mirror

Batch and company name

Social accounts

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Human review

Checked by a person

knowledge_base

manual_review

Last checked 29 Oct 2026. Every field keeps its source and date; unknown means we couldn’t confirm it.