Our data

The reliable B2B database you’ve been searching for

Apollo delivers unrivaled breadth and depth of sales data with the highest accuracy. Put us to the test...

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Our global data is now yours

With verified email addresses, phone numbers, and direct dials, all synced to your CRM.

Data attributes

Use our 200+ data attributes for your most precise and efficient prospecting yet

VC funding
Technologies used
# of employees
Engagement activity

Our data is accurate and up to date

Verified email addresses

Apollo uses a 5-step email verification process that’s the most accurate in the industry - handling catch-all, domains, real-time verification.

Verified direct dial phone numbers

We use third party vendors as well as our dialer data to verify direct dial and mobile numbers.

Accuracy guaranteed

Apollo’s database is updated daily, with a guaranteed refund for every bounced email.

How we collect our data

Apollo’s reach is far and wide

Our data comes from dozens of verified sources. We scrape from hundreds of millions of websites, use machine learning algorithms, and utilize a proprietary data network of over 500,000 contributors each day.

Customer reviews

Here is what our customers have to say about our data

The prospecting solution I have waited years for!

Apollo.io provides the biggest database of the RIGHT contacts including phone numbers, emails, titles, etc. I can easily send individual emails, sequences, and phone calls because I can trust the data and it is simple to quickly make contact with a large quantity of contacts.

Small Business Owner

Great way to round out your prospect database

It's proven to be 99% correct, which is outstanding. Apollo makes it possible to double-check our data and extend the quality and value of the data we have. [Next quarter] will be our best sales quarter ever!

Best lead generation ever

Apollo.io make[s] it easier for my sales team to reach out to contacts without having doubts about the data being fake. Authenticity goes a long way and Apollo.io provided such security which makes life a lot easier!

Regional VP