Openpath

Comparisons · Web search APIs for agents · read on October 15, 2026

SerpApi vs Linkup: many search engines, parsed or sourced answers under EU terms

SerpApi is an API that scrapes and parses Google and other search engines into structured JSON. Linkup is a web search API for AI that returns ranked URLs, a sourced answer, or structured JSON.

The short answer

  • SerpApi: Structured results from many search engines and verticals, including Google Maps and Shopping, through one API.
  • Linkup: Grounding answers with sources under European (EU) legal terms, with a cheap standard tier.

Side by side

SerpApiLinkup
SearchesGoogle (many verticals) plus Bing, Baidu, DuckDuckGo, Yahoo, Yandex, Naver, Brave, and sites like Amazon, eBay, YouTube, Walmart, Tripadvisor.Linkup's own index of the web (it offers to run the full index inside a customer's cloud).
ReturnsStructured JSON (or Markdown): organic results, maps and local results, shopping, direct answers, knowledge graph, with links, addresses, prices, ratings and reviews.Ranked search results, or a sourced answer, or structured JSON to a schema you supply.
Before the first callAn account and an API key.A free account and API key; or pay per request in USDC via x402 with no account.
Free250 searches a month.$20 credit at sign-up with a professional email, topped back up to $20 each month for eligible accounts (about 4,000 standard searches).
Paid$25/month for 1,000 searches (Starter); only successful searches count.$0.005 a standard search; $0.05 a deep search.
Acting on a resultThrough the web page each result links toThrough the web page each result links to
Limits on keeping or showing resultsNot stated on its pagesOpen web content may be kept only as long as needed for text-and-data-mining purposes (EU exception).
AI in its termsNot stated on its pagesAnswers are for internal use only, not for resale or acting as a wrapper of the API; Linkup may use client data, including prompts, to train its service.
MCP serverOfficial MCP server: https://mcp.serpapi.com/mcp (code: https://github.com/serpapi/serpapi-mcp)Official MCP server: https://mcp.linkup.so/mcp (code: https://github.com/LinkupPlatform/linkup-mcp-server)

Questions people ask

What do I need before I can use SerpApi?

An account and an API key.

Is SerpApi free?

250 searches a month.

What do I need before I can use Linkup?

A free account and API key; or pay per request in USDC via x402 with no account.

Is Linkup free?

$20 credit at sign-up with a professional email, topped back up to $20 each month for eligible accounts (about 4,000 standard searches).

Sources

Every line about another company comes from its own pages. Prices and terms change, so check the source before you rely on one.

SerpApi, read on October 15, 2026:

  • serpapi.com/pricing: “Only successful searches are counted toward your monthly searches. Cached, errored, and failed searches are not.”
  • serpapi.com: “Regular organic results are available as well as Maps, Local, Stories, Shopping, Direct Answer, and Knowledge Graph.”
  • github.com/serpapi/serpapi-mcp: “A Model Context Protocol (MCP) server implementation that integrates with SerpApi”
  • serpapi.com/pricing: “Free $ 0 / month Get Started 250 searches per month”
  • serpapi.com/pricing: “Starter $ 25 / month Get Started 1,000 searches per month”

Linkup, read on October 15, 2026: