# About Fiber AI

> Fiber AI is a Y Combinator-backed (S23, Summer 2023) company building agent-native B2B data
> infrastructure: search, enrichment, contact reveal, and audience workflows for
> sales, recruiting, and product teams. This page answers "who is Fiber AI" for
> humans and citation engines.

## What does Fiber AI build?

Fiber AI provides APIs and MCP tools so teams and coding agents can:

- Find companies and people with structured filters or natural-language intent
- Enrich profiles with live LinkedIn data and comprehensive default field sets
- Reveal work emails and phone numbers with explicit cost confirmation
- Run bulk audience build / enrich / export lifecycles

## Who uses Fiber AI?

100s of GTM and recruiting teams, plus AI-native products that embed Fiber as
their data layer. Customer logos and case studies appear on the interactive
homepage at [fiber.ai](https://www.fiber.ai).

## Where is the company?

Fiber AI is headquartered in the United States. Team and mission details are on
the interactive About page at [fiber.ai/about](https://www.fiber.ai/about).

## Canonical reference docs for agents

- API routing and critical rules: <https://api.fiber.ai/llms.txt>
- Operation index: <https://api.fiber.ai/ai-docs/index.md>
- Marketing overview: <https://www.fiber.ai/llms.txt>
- Fiber AI plugin: <https://github.com/fiber-ai/fiber-ai-plugin>
- MCP quickstart: <https://docs.fiber.ai/article/using-mcp-in-llms>