Serper

license

proprietary(API-only)

source

closed

managed

Serper-Cloud(key-gated)

Proprietary commercial SERP API; no source or self-host. Closed counterpart to OSS-adjacent search tools, like Tavily/Exa per the recipe.

• https://serper.dev recorded 2026-06-04

  commercial key-gated Google Search API, JSON output, 2,500 free queries then paid; no OSS license