Secure Conversations, Your Way.

Knock is the safest way for vendors to engage with buyers. Total Control. Zero Exposure.

No phishing.
No bots.
No worries!
No spam.

Join Knock Protected Sellers

The Smartest Way to Talk to Buyers

Knock acts as a secure, omni-channel communication bridge between your team and potential buyers.

Every message is scanned, validated and filtered before it ever reaches your workspace.

Knock automatically detects and blocks bots, automation tools and non-human traffic. Your team only sees real messages from real buyers. 
No noise, scripts, or scraping attempts.
Privacy Across All Channels

Secure, Seamless Communication — Built for Modern Teams

Buyers might use WhatsApp, SMS, LinkedIn, or Slack, but your team remains protected.

Knock routes all messages into your Slack workspace under strict access and identity controls:

No vendor emails shared
No direct connections made
No access to your Slack workspace

Your Conversations, Your Slack

All conversations happen inside your Slack, not in inboxes or third-party apps. That means:

Team-wide visibility
No context switching
Searchable, trackable records
Centralized ownership of all buyer communication

Stay focused, efficient, and in control. Powered by the Best in Enterprise Security.

Knock leverages the security infrastructure of trusted platforms like Slack, Microsoft, and Meta. With Knock, your team benefits from:

SSO, MFA, and identity management
Built-in DLP and anti-malware scanning
Full audit logs and activity tracking
Easy integration with your security stack

Get world-class protection without added complexity. Compliance by Design.

Meet enterprise compliance requirements from day one with Knock:

GDPR, SOC 2, HIPAA, and ISO 27001 support
Message filtering and retention policies
Role-based access control
Full audit trails for legal or security review

Control the Conversation

Buyers can message you, but they never see who you are unless you choose to share. You decide:

Who can reach out
When to respond
What information to share

Every interaction happens on your terms and ends when you say so.

Modern Communication Without the Risk

Email is insecure, unstructured, and hard to govern. Messaging platforms are fragmented.

Knock brings clarity, compliance, and control while still allowing fast, real-time buyer engagement.

Talk to Buyers Without Letting Them In

Engage across channels without exposing your team

Centralize all buyer chats inside your Slack

Detect bots and filter noise automatically

Leverage the security of Slack, Microsoft, and Meta

Stay compliant, auditable, and in full control