FullContact

Full Contact is a premium and costly service for prospect and company data enrichment.

It combines a similar technology with the aforementioned tools and provides a high-quality B2B database with additional data like professional phone numbers.

It can also verify phones and emails.

First, go to the Full Contact API page:

Here, generate a new API key:

Then, give it a name, then copy your API key:

Finally, paste your API key and the required information below.

For company data enrichment:

• Company website domain

For prospect data enrichment:

• Prospect full name (first name & last name)
• Email
• Phone
• Twitter profile handle

Like Dropcontact, Full Contact can find and enrich all the missing information with minimal data input. But we still recommend having at least have 3 data points on your original file like full name, email, and domain.