Dmytro Gerasimenko
Founder of Ahrefs (publisher)
Real-time web data streaming API — define filter rules and receive instant updates when matching pages are crawled.
Freemium·API·Data·Real-Time·Developer Tools
Freemium·API·Data·Real-Time·Developer Tools
What is Firehose?
Firehose is a real-time web data streaming API that lets you define Lucene filter rules and receive instant Server-Sent Events (SSE) updates when matching web pages are crawled. Use it to track breaking news, monitor brand mentions, gather competitive intelligence, or build real-time data pipelines. Define your filters once and Firehose continuously streams matching results as the web is crawled — no polling, no delays.
Features
- Real-time web change streaming via SSE
- Lucene filter rules for precise targeting
- Track news, brands, and competitive intelligence
FAQs
Common questions about Firehose
How does Firehose work?
Define Lucene filter rules, and Firehose streams matching web page data to your app in real-time via SSE.
What can I track?
News articles, brand mentions, competitor pages, product launches — anything that appears on crawled web pages.
Is there a free tier?
Firehose offers a free tier for getting started. Check firehose.com for pricing details.
Insights
Traffic and momentum for Firehose
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The people behind Firehose
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