Category
Intent & Signals
Key features
Job postings search and alerts
Technographic company search
Buying intent from job post keywords
01 — Overview
What is
TheirStack
TheirStack is a data platform that finds companies by the technologies they use, the jobs they are hiring for and the problems their job posts mention. It collects job postings daily from job boards, ATSs and company career pages worldwide, and turns them into technographic, hiring and buying intent signals. Teams use it in a no-code app, by API, through webhooks or as full datasets.
The verdict
Find companies by tech stack and hiring
02 — Who it’s for
Ideal Customer Profile
Built for sales and marketing teams doing outbound, lead qualification and enrichment, and for data teams and products that need job and technographic data at scale.
03 — Capabilities
Key Features
Job postings search and alerts
Technographic company search
Buying intent from job post keywords
Company firmographics and hiring growth
API and real-time webhooks
Full dataset delivery
Clay, HubSpot, Zapier, Make and n8n integrations
05 — Similar tools
Alternatives
06 — FAQ
Frequently Asked Questions
What is TheirStack used for?
TheirStack is used to find and qualify companies based on the technologies they use, the roles they are hiring for and pain points mentioned in their job posts, so sales teams can time outreach better.
Where does TheirStack's data come from?
It gathers job postings every day from job boards, ATSs and company websites across about 195 countries, and infers technology usage for millions of companies from those postings.
Which tools does TheirStack integrate with?
TheirStack documents integrations with Clay, Databar, HubSpot, LinkedIn Audiences, Make, n8n and Zapier, and webhooks can push new job or technology events into other tools.
Does TheirStack have an API?
Yes. TheirStack offers Job Postings, Technographics and Buying Intent APIs with a full API reference, plus webhooks for real-time events and bulk datasets for analytics.