Category
Lead Generation
Key features
500M+ contact database
AI search and ICP filters
Email verifier with catch-all resolver
01 — Overview
What is
ReachStream
ReachStream is a B2B data platform for finding and verifying prospects. Users search 500M+ contacts and 50M+ companies with AI search or filters for role, industry, company size and location, reveal verified emails and mobile numbers, and export clean lists. It also includes a real-time and bulk email verifier with a catch-all resolver, a Chrome extension for LinkedIn Sales Navigator, data enrichment and an API.
02 — Who it’s for
Ideal Customer Profile
Built for sales, marketing and business development teams at startups, SMBs and mid-sized companies that run outbound and need verified contact lists across any B2B industry.
03 — Capabilities
Key Features
500M+ contact database
AI search and ICP filters
Email verifier with catch-all resolver
Chrome extension for Sales Navigator
Data enrichment and technology insights
API and MCP access
Salesforce and HubSpot integrations
05 — Similar tools
Alternatives
06 — FAQ
Frequently Asked Questions
What is ReachStream used for?
ReachStream is used to find B2B decision makers that match an ideal customer profile, reveal their verified emails and phone numbers, and export lists for outbound campaigns.
Can ReachStream verify email lists?
Yes. Its email verifier checks single addresses in under a second or cleans whole CSV and Excel lists in bulk, with a catch-all resolver for risky addresses and API access.
Which tools does ReachStream integrate with?
ReachStream integrates with CRMs such as Salesforce and HubSpot, and its API lets teams connect the data to custom applications and business systems.
Does ReachStream work inside LinkedIn?
Yes. The Chrome extension runs inside LinkedIn Sales Navigator, shows verified contact details on the page and saves leads to lists in one click.






