Beni

What it does

Meet Beni, your AI-powered secondhand search engine. Instantly search 200M+ items across 40+ resale sites. Whether you're hunting for something specific or just browsing, Beni finds the best deals—making it easy to save money and shop sustainably.

Beni searches 40+ resale marketplaces at once so you can find the brands you love secondhand, shop any screenshot, and only buy what's worth it.

Stop toggling between sites or limiting your search to one platform. Beni searches the entire secondary market for you. Take or upload a photo and we'll hunt down the closest secondhand matches across 40+ resale sites. The next time an ad stops your scroll, share it to Beni and we'll save it to your favorites and run the secondhandfrom shopbeni.com

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  Beni2022 · joinbeni.com · ▲125

  Browser extension finds the best resale deals online

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  RankAIApr 2026 · rankai.ai · ▲581

  Hey HN, we are building Rankai (https://www.rankai.ai), an AI agent that pushes SEO blogs and code fixes automatically to your site. My teammate previously scaled a product to 4M users via organic traffic and SEO. And we understood the importance of driving SEO traffic for small businesses. But after we talked to a lot of small businesses and startups, we realized that majority are not doing SEO at all. For them, learning and doing SEO weekly is too time-consuming, and no way they'd hire an agency for $4k+. So we tried to automate each step of SEO process in an agentic way using…

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  We built a browser extension to show you secondhand alternatives2022 · joinbeni.com · ▲14

  Beni searches 40+ resale marketplaces at once so you can find the brands you love secondhand, shop any screenshot, and only buy what's worth it.

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