Category
Intent & Signals
Key features
Hiring and social activity signals
TAM and lookalike account search
Tech stack search
01 — Overview
What is
OpenFunnel
OpenFunnel provides headless building blocks for GTM engineering, such as account search, lookalike and tech stack search, account research, and hiring and social signals. Teams wire these into their own workflows or coding agents to find in-market accounts, build TAM lists and keep CRM records fresh. Results sync into Salesforce and HubSpot with deduplication and can trigger outreach in other tools.
02 — Who it’s for
Ideal Customer Profile
Aimed at in-house GTM engineering, RevOps and outbound teams at startups through enterprises that build their own agent driven prospecting workflows.
03 — Capabilities
Key Features
Hiring and social activity signals
TAM and lookalike account search
Tech stack search
Account research
Salesforce and HubSpot sync
API built for coding agents
05 — Similar tools
Alternatives
06 — FAQ
Frequently Asked Questions
What is OpenFunnel used for?
OpenFunnel finds in-market accounts using hiring, job change and social signals, and offers search and research building blocks that GTM teams use to automate lead generation and CRM upkeep.
Who is OpenFunnel for?
GTM engineering and outbound teams that build their own workflows, often with coding agents such as Claude Code, Codex or Cursor, including larger teams that want managed or on-prem setups.
Which tools does OpenFunnel integrate with?
It syncs accounts and contacts to Salesforce and HubSpot and connects with Slack, Clay, Apollo, Amplemarket and webhooks.
Does OpenFunnel have an API?
Yes. Its search and research endpoints are documented publicly and designed so AI coding agents can call them directly.






