🔌 MCP · agent-callable⭐ 1 GitHub
TheirStack
Analytics & DataB2B sales intelligence platform that analyzes 172M+ job postings across 11M companies to surface hiring signals, technographic data, and buying intent.
TheirStack mines 172M+ job postings across 318K job boards and 11M companies to surface hiring intent, technographic data (32K+ technologies), and buying intent keywords in job descriptions. GTM teams use it to identify companies actively looking for solutions and build targeted prospect lists.
Best for
B2B sales teams discovering high-intent prospects through job posting and hiring signals
Editorial profile generated February 27, 2026 · pricing & endpoint re-verified continuously (see badges above)
24/50
Overall Score
API Quality
8/10
GTM Relevance
16/20
PricingFreemium
Complexityeasy
Learninglow
Visit theirstack.com →API Analysis
REST API
✓
Available
Webhooks
✓
Available
GraphQL
—
—
OAuth
—
—
hubspotsalesforcepipedriveapollomakezapierclay
Pricing
freemiumFree Tier
Free tier with 50 credits/mo, paid plans from EUR 90/mo
Listed pricing, as of Feb 2026 — not independently verified; confirm on the vendor's site before relying on it.
Strengths & Weaknesses
AI-generated summary — not from verified user reviews.
Strengths
Massive job posting database provides unique buying intent signals
Well-documented REST API with OpenAPI specs and TypeScript SDK
Generous free tier with 50 credits/mo to test before committing
Weaknesses
Job posting signals are inherently lagging behind actual buying decisions
Technographic accuracy depends on public job posting mentions
Alternatives
Reviews
Links
FAQ
What is TheirStack?
TheirStack mines 172M+ job postings across 318K job boards and 11M companies to surface hiring intent, technographic data (32K+ technologies), and buying intent keywords in job descriptions. GTM teams use it to identify companies actively looking for solutions and build targeted prospect lists.
Is TheirStack free?
Yes, TheirStack offers a free tier. Free tier with 50 credits/mo, paid plans from EUR 90/mo Pricing shown is as last reviewed and may change — confirm current pricing on the vendor's site.
What are TheirStack alternatives?
Popular alternatives to TheirStack include BuiltWith, Wappalyzer, Ocean.io, SalesIntel. Compare features, API quality, and pricing on GTM Tools.
Does TheirStack have an API?
Yes, TheirStack provides a REST API. API quality is rated EXCELLENT. Documentation: https://api.theirstack.com/.
Who is TheirStack best for?
B2B sales teams discovering high-intent prospects through job posting and hiring signals
How current is TheirStack's data on GTM Tools?
Endpoint reachability and pricing for verified-tier tools are re-checked on a schedule — see the verification badges on this page for the latest check. The editorial profile (description, strengths and weaknesses) is last generated February 2026, and any user-review themes are pulled from G2.