Unify Your GTM Stack
with One Enrichment API
Provide an email, domain, phone number, or social handle, and Union automatically queries Clearbit, Hunter.io, Apollo, and AI research agents (+32 providers) to return one complete, unified record.
Trusted by 600+ marketers
Why You'll Love Using Union
Match a higher percentage of records, reduce your data costs by 60%, and get enriched data faster and cheaper than using any single provider alone
Integrate with 35+ providers in one API call
Skip building individual integrations. One API call waterfalls through Apollo, ZoomInfo, Clearbit, and 32 other providers to maximize match rates.
Automatically optimize for cost, accuracy, or speed
Set one field to optimize for lowest cost, highest accuracy, or fastest response time. Our system automatically routes to the best provider for your specific requirements.
Set maximum price limits per field
Control costs by setting a maximum price per field (e.g., $0.10 for email, $0.25 for phone). We only match you with providers that charge within your budget limits.
Used by Startups Daily with Proven Results
Instead of paying for multiple data tools and losing deals to incomplete prospect data and slow manual research, they're using Union to cut data costs by 60% and close more deals faster.
"This is the most minimal, effective, reliable and easy to use enrichment API out there. I personally tried n8n and Zapier but the way Union thinks, designs & works is way ahead of its time."
"Brandon and the team at Union have been game-changing for helping us find new leads on demand. We went from manually researching prospects to having a steady pipeline of qualified leads flowing in automatically."
Join hundreds of marketers saving $$$ on data tools
Cut Your Data Costs 60% and Close More Deals
One API call to get complete prospect data from Clearbit, Hunter.io, Apollo, and web search. No more juggling multiple tools or incomplete records.
Trusted by startups and growing businesses