Glossary
What is a Contact Signal?
A contact signal is evidence of a reachable business contact on a public website — such as an email address, phone number, or social profile — discovered before or as part of unlocking a lead.
Quick definition
A contact signal is evidence of a reachable business contact on a public website — such as an email address, phone number, or social profile — discovered before or as part of unlocking a lead.
Common contact signals
Typical signals include business emails, phone numbers, LinkedIn or other social profiles, and related public contact metadata found on company sites.
ProspecStack lets you review what contact types are available before you unlock a lead, so you spend tokens on accounts worth pursuing.
Related terms
Lead Unlock
A lead unlock spends one token to reveal the full domain, site details, and contact information for a single search result that was previously masked or partially hidden.
Email Discovery
Email discovery is the process of finding publicly listed business email addresses on company websites so sales and GTM teams can start lawful B2B outreach.
Social Profile
In lead discovery, a social profile is a public business social URL — such as LinkedIn, X, or Facebook — found on a company website and attached to an unlocked lead as an outreach channel.
Keep exploring
Browse the full technographic glossary or follow the B2B prospecting playbook to search by stack and unlock leads.