# Altos Ventures

> Altos Ventures's investments in AI tools on Anchor Terminal, Firecrawl (Mendable) and Salsa Software Inc., with each listing's grade and the founders behind it.

- Canonical: https://www.anchorterminal.com/investors/altos-ventures/
- Markdown: https://www.anchorterminal.com/investors/altos-ventures/index.md (~600 tokens)
- Slim: https://www.anchorterminal.com/investors/altos-ventures/index.min.md (~480 tokens, same facts, less prose, for token-sensitive contexts)
- JSON: https://www.anchorterminal.com/investors/altos-ventures/index.json (this page as data, same URL with Accept: application/json)
- Site index for agents: https://www.anchorterminal.com/llms.txt (full text: https://www.anchorterminal.com/llms-full.txt)
- API: https://www.anchorterminal.com/api/v1/index.json
- MCP: https://www.anchorterminal.com/mcp (the whole catalogue as tools, no key)
- Licence: CC BY 4.0, credit Anchor Terminal and link this page (https://www.anchorterminal.com/terms/#data)
- Updated: 2026-10-28

Venture firm.

Website: https://altos.vc

## Companies on Anchor Terminal

- **Firecrawl (Mendable)**, Series B, September 2026
  - [Firecrawl MCP](https://www.anchorterminal.com/tools/firecrawl-mcp.md), graded A, 78/100
  - Source: https://www.firecrawl.dev/blog/introducing-alexandria-series-b
- **Salsa Software Inc.**, Series A, April 2025, led a round
  - [Salsa](https://www.anchorterminal.com/tools/salsa.md), graded D, 46.3/100
  - Source: https://www.salsa.dev/blog-post/our-20m-series-a-will-make-embedded-payroll-even-easier

## Where they invest

- Web scraping & crawling, 1
- Payroll infrastructure, 1

## Founders they backed

- [Caleb Peffer](https://www.anchorterminal.com/people/caleb-peffer/), Firecrawl (Mendable)
- [Eric Ciarla](https://www.anchorterminal.com/people/eric-ciarla/), Firecrawl (Mendable)
- [Nicolas Silberstein Camara](https://www.anchorterminal.com/people/nicolas-silberstein-camara/), Firecrawl (Mendable)
- [John Kramer](https://www.anchorterminal.com/people/john-kramer/), Salsa Software Inc.
- [Juan Barroso](https://www.anchorterminal.com/people/juan-barroso/), Salsa Software Inc.

## Questions

### Which AI tools has Altos Ventures invested in?

Anchor Terminal lists Firecrawl (Mendable) and Salsa Software Inc. backed by Altos Ventures.

### How are Altos Ventures's companies graded?

On Anchor Terminal's benchmark, Firecrawl MCP (A, 78) and Salsa (D, 46.3).

Investors are named from the companies' own announcements, the investors' own pages, Y Combinator's company pages, public filings and news reports of a round, each with its source. An investor isn't a sign of quality, and nobody can pay to be listed or to change a grade. To correct something or have a page removed, write to privacy@anchorterminal.com.

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