Clearbit, APIs for determining who's behind an email address
Now reinvented with Artificial Intelligence—Clearbit is the first HubSpot Native Data Provider. Enrich your records, score, route, and reveal buying intent from your visitors.
Clearbit, APIs for determining who's behind an email address launched on April 21, 2015 with 24 votes, #1,013 of 3,600 launches that month and more than 75% of that year's launches. The site was still online in September 2026, 11 years on.
In plain words
Clearbit is a B2B data platform that identifies and enriches information about people and companies from email addresses and website visitors. It gathers public web data, proprietary sources, and AI to provide standardized datasets for sales and marketing teams. The tool helps users score leads, route prospects, and reveal buying intent in real-time, enabling B2B teams to prioritize high-fit opportunities and improve go-to-market efficiency.
written from the facts on this page · September 2026
From the sources
The best B2B data provider is now part of the best B2B customer platform! We gather public data from the web, our proprietary data, and the power of LLMs to convert unstructured information into precise and standardized data sets. Get access to clean, precise, and reliable data that your B2B team needs to go-to-market. Starting with the most precise data sources, we then incorporate all other available sources to offer you the optimal combination of accuracy and coverage. The data you need to score and route every lead, in real-time. Identify your high fit leads in real time and focus your team's efforts where they matter most. Turn your anonymous website traffic into real buying intent…from clearbit.com
Does a similar job
all alternatives →
The Rapportive for Email Lists2014 · mailmatch.io · ▲5Now reinvented with Artificial Intelligence—Clearbit is the first HubSpot Native Data Provider. Enrich your records, score, route, and reveal buying intent from your visitors.
Hunter2015 · hunter.io · ▲1,703Find any company logo by domain with Hunter’s free logo API. No account, no API key. The simplest Clearbit Logo API replacement, switch in 30 seconds.
More life & fun this month
the category →
A free city-building game in your browser. You are the mayor. You know what the city needs. Now get it past the zoning board, the neighbors, the appeals court and the next election.
Life & fun · 3d ago · permit.petercai.com
- IV
Life & fun · 15d ago · tanzaniaeducationproject.org
Turn a phone, tablet or TV into a sign. Type a message and it fills the screen: welcome signs, timers, Wi-Fi passwords and more. No app, no account, free.
Life & fun · 16d ago · bigwords.page
Play a free virtual guitar online with your keyboard or by touch. Slow songs down and see every chord, string and strum. Acoustic, classic, electric and bass.
Life & fun · 10d ago · guitoro.com
Carrier settings from iPhone, Pixel and Galaxy firmware, decoded and compared: APNs, VoLTE, 5G and Wi-Fi Calling per carrier, and what each build changed.
Life & fun · 14d ago · carrierexplode.com
Life & fun · 24d ago · space.bl2.net
Source: Show HN post ↗
Launched alongside, April 2015
the whole month →- Hunter▲1,703
Find any company logo by domain with Hunter’s free logo API. No account, no API key. The simplest Clearbit Logo API replacement, switch in 30 seconds.
Growth · 2015 · hunter.io
saas that helps convert
Life & fun · 2015 · transformy.io
- AR
Life & fun · 2015 · tiffzhang.com
