Contacts

Build verified, outreach-ready contact lists instantly

Build verified, outreach-ready contact lists instantly

Build verified, outreach-ready contact lists instantly

Find high-value leads with AI-powered filtering and send them straight into live sequences, dialers, or LinkedIn workflows.

Most contact tools slow your outbound motion

Most contact tools slow your outbound motion

Legacy databases force teams to filter manually, export to CSV, and clean data before using it, slowing everything down.

One platform to find, verify, and activate contacts

One platform to find, verify, and activate contacts

One platform to find, verify, and activate contacts

CallSine turns targeting into pipeline by removing the disconnect between sourcing and sending.

CallSine turns targeting into pipeline by removing the disconnect between sourcing and sending.

CallSine turns targeting into pipeline by removing the disconnect between sourcing and sending.

Fast precision targeting

Filter by tech stack, firmographics, and roles in seconds

Verified contact data

Verified phone and email data included out of the box


Instant workflow sync

Instantly sync to sequences, company audiences, or dialers

Go from targeting to live outreach instantly

Go from targeting to live outreach instantly

AI Targeting

Verified Contacts

One-Click Launch

AI Targeting

Find ideal prospects instantly

Use AI to build filters to surface high-fit leads in seconds without building complex logic.

AI Targeting

Verified Contacts

One-Click Launch

AI Targeting

Find ideal prospects instantly

Use AI to build filters to surface high-fit leads in seconds without building complex logic.

AI Targeting

Verified Contacts

One-Click Launch

AI Targeting

Find ideal prospects instantly

Use AI to build filters to surface high-fit leads in seconds without building complex logic.

Beyond a contact database

Beyond a contact database

Integrated with your outbound motion

Contacts go directly into your live campaigns.

Search logic that mirrors real targeting

Filter using job roles, company data, and tech stack to surface ICP-ready leads.

Purpose-built for multi-channel activation

Use contacts across email, LinkedIn, and phone outreach.

No CSVs, no extra steps

Every contact is clean, verified, and ready to be used across your stack.

Turn targeting into outbound in one click

Turn targeting into outbound in one click

Turn targeting into outbound in one click

Turn targeting into outbound in one click

See how Contacts powers your pipeline without the spreadsheet busywork.

CallSine goes beyond basic AI with multi-agent pipelines that research every prospect deeply before crafting relevant and contextual outreach.

© 2025 CallSine. All rights reserved.

CallSine goes beyond basic AI with multi-agent pipelines that research every prospect deeply before crafting relevant and contextual outreach.

© 2025 CallSine. All rights reserved.

CallSine goes beyond basic AI with multi-agent pipelines that research every prospect deeply before crafting relevant and contextual outreach.

© 2025 CallSine. All rights reserved.