---
title: "Signal and intent APIs: 4 reviewed | ONEGTMLAB"
description: "Signal and intent APIs: 4 tools with their API read end to end. Cost per call, plans with the billing basis, rate limits, keys and MCP."
canonical: https://www.onegtmlab.dev/tool-directory/signals
---

# Signal and intent APIs: 4 reviewed | ONEGTMLAB

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# Signal and intent APIs

Hiring, funding, technology and engagement changes that tell you when to reach out. 4 tools, each with its API read end to end from its own pricing page and docs.

-   **4**tools reviewed
-   **4**official MCP servers
-   **3**with a free plan

Find a Signals tool

## Every tool in Signals

Search and filter within this category, or sort by entry price.

Search tools

SortA to ZCheapest entry price

Pricing modelCredits3Per seat1

Plan and accessFree plan3API on the free plan3Official MCP server4

Showing 4 of 4 tools

-   [![](/_astro/clearcue.C9H58fxL.svg)ClearcueSignalsAI-qualified buyer-intent signal engine (LinkedIn posts/engagement, jobs, news, competitor SDR activity) with a REST external API (Pro+), list…Official MCPPer seatNo published entry priceReview →](/tool-directory/signals/clearcue-ai)
-   [![](/_astro/openfunnel.CTHR_rPr.svg)OpenFunnelSignalsYC-backed, agent-first GTM intelligence API. Credit-metered Agent Primitives (lookalikes, tech-stack-from-job-posts, deep research) plus a platform…Free planAPI on free planOfficial MCPCreditsNo published entry priceReview →](/tool-directory/signals/openfunnel)
-   [![](/_astro/predictleads.M8zXWdNb.svg)PredictLeadsSignalsCompany-intelligence API on 120M+ companies: news events, job openings, technology detections, financing, SEC filings, products, key customers,…Free planAPI on free planOfficial MCPCreditsNo published entry priceReview →](/tool-directory/signals/predictleads)
-   [![](/_astro/theirstack.Cfe10y4N_Z1YJNmy.webp)TheirStackSignalsJob-postings, technographics and buying-intent API built from company career sites, ATSs and job boards, with webhooks, MCP and bulk Parquet datasets.Free planAPI on free planOfficial MCPCreditsFrom $49/mo billed monthlyReview →](/tool-directory/signals/theirstack)

## Other categories

[Sourcing](/tool-directory/sourcing)[Enrichment](/tool-directory/enrichment)[Verification](/tool-directory/verification)[Research and scraping](/tool-directory/research-and-scraping)[Email sending](/tool-directory/sending)[LinkedIn outreach](/tool-directory/linkedin-outreach)[CRM](/tool-directory/crm)[Data platforms](/tool-directory/data-platforms)

## Want it built for you?

Tell us what you want these tools to do in your stack. We will show you which tools we would use and how we would wire them together.

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