#Revenue Directory
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RB2B

7.0

Turns anonymous website traffic into named leads, straight into Slack.

Prospecting & dataFree optionSolo-friendlySMBMid-market
Visit websiteFree (150 resolutions/mo), paid from $79/mo
RB2B product screenshot
The verdict

A genuinely useful, genuinely free-to-start visitor-ID tool, but a closed platform with zero API or agent story.

Best for: SMB and mid-market sales/marketing teams that want warm, in-the-moment visitor alerts without building an API integration.

AI-stack fit

18/100

RB2B has no developer docs, public API, or MCP server. The only path for agents or automations is through Zapier, generic webhooks, or its Clay integration, gated behind the $149/mo Pro plan.

MCP support

No MCP server yet

Public API

None

Works with
Zapier / Make

What's good

  • Genuinely free tier with no card required, not just a time-limited trial
  • Fast, Slack-native alerts the moment a target account hits your site
  • Broad no-code integration bench: Clay, Zapier, Apollo, HubSpot, Salesforce

What's not

  • No public API or MCP server at all, automation only runs through Zapier or webhooks
  • Person-level (not just company-level) identification is US-only
  • Core integrations and business emails are locked behind the $149/mo Pro tier, not Starter

RB2B pricing

Free (150 resolutions/mo), paid from $79/mo. Verified 2026-09-14.

PlanPriceBest for
Free$0150 resolutions/mo, Slack push only.
Starter$79/mo300 resolutions/mo.
Pro$149/mo600-2,500 resolutions/mo, tiered.
Pro+$199/moMost popular, 600-2.5M resolutions/mo, tiered.
In-depth written review coming soon. The structured scorecard above reflects Revenue Directory's current assessment of RB2B.

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