openfunnel.dev

What It Is

OpenFunnel positions itself as an “agent-ready” real-time TAM intelligence platform for B2B GTM, sales, RevOps, growth teams, and AI Agents. Rather than focusing on being a generic high-volume lead database, it uses real-time market signals to identify accounts and contacts where demand is emerging. It is well suited for trigger-based outbound, account research, ICP discovery, TAM monitoring, and identifying buying windows.

Core Capabilities and Data

The platform’s core entities include accounts, people, signals, audiences, ICPs, and insights. Users can discover accounts based on company attributes, real-time signals, or a combination of both; look up known companies and enrich them with contacts and context; view account timelines; monitor signals such as hiring, social posts, job changes, competitor engagement, and technographic evidence; and score or tier accounts. The copy claims 99.98% real-time signal coverage, with each insight including citations, context, and reasoning, which is important for sales research and automated decision-making. However, it does not disclose the size of its account/contact database, geographic coverage, or specific data sources.

Platform, Integrations, and Ease of Use

OpenFunnel is relatively developer- and Agent-friendly, offering a REST API, OpenAPI, MCP, an npm package, and an OTP-based flow for obtaining an API key. It also supports long-running signal deployment workflows. On the integration side, it covers real-time two-way sync with Salesforce and HubSpot, Clay, Slack alerts, Webhooks, and AI/MCP scenarios involving Claude, ChatGPT, Cursor, and others. For teams that already have CRM systems and automation orchestration in place, the onboarding path appears fairly straightforward.

Pricing and Limitations

The copy only states that pricing is credit-based with enterprise custom options. Enterprise tiers may include domain/category exclusivity and OpenClaw, but there are no public plans, unit prices, credit consumption rules, free trial details, or minimum contract values. As a result, cost-effectiveness needs to be evaluated through a demo and projected real-world usage. Its positioning also makes clear that it is not meant to be a standard high-volume list-buying tool; if a team only needs cheap bulk lead lists, it may not be the best fit.

Who It’s For and Access from China

OpenFunnel is better suited to B2B teams whose sales motions depend on timing, signals, and industry context, especially GTM organizations that need to pipe account intelligence into a CRM, Slack, or AI Agent. Access from China, payment methods, and localization support are not explained in the copy, so they should be considered unknown. If there are network, compliance, or payment obstacles, alternatives to evaluate include ZoomInfo, Apollo, Clay, 6sense, and Demandbase; in China, tools such as Qichacha/Tianyancha, Tungee, and SalesEase may serve as substitutes or complementary options.