Introduction

Firehose is a real-time web monitoring platform. Instead of polling websites or scraping search results, you declare what you care about once — as a query — and Firehose delivers every crawled page that matches, as it happens.

What you can do with it

• Track brand and competitor mentions the moment they're published anywhere on the web.
• Monitor news and topics by category, language, and recency.
• Detect new pages matching a pattern (new product pages, job listings, press releases).
• Watch specific URLs for content changes and capture the diff.

How it works

Firehose sits on top of a continuous web crawl. The pipeline is:

1. You create rules (queries) on a tap (an API token).
2. Firehose evaluates every freshly crawled page against all active rules.
3. Matches are pushed onto a stream and fanned out to your open SSE connection.

You create rules ──▶ Firehose evaluates every crawled page ──▶ Matches stream to you (SSE)

A tap is built for web-scale mention tracking: it surfaces a page when the crawler reaches it, on the crawler's own schedule. To monitor a specific list of URLs you already know, use URL Watch instead — Stream vs URL Watch explains which one fits your use case.

Where to go next