Buying Intents API
Know who's ready to buy, from your own backend
- Query buying intent for any company in a single API call
- Confidence-scored signals with direct evidence from real job postings
- Feed your CRM, enrich your leads, or build your own sales tooling on top
- Buying intent signals
- 349M
- Topics tracked
- 9.4k
- companies
- 11M
Trusted by industry leadersTrusted by the world's most innovative sales and marketing teams
API Use Cases
Plug buying signals into your own workflows
Two endpoints cover the two core questions you'll ask. Get a company's intent profile, or find every company in-market for a topic.
Is this company in-market for what I sell?
Look up any company by domain. Get back every buying intent signal we've detected — with confidence scores, evidence, and first/last seen dates. Perfect for CRM enrichment and inbound lead scoring.
View API docs$ curl -X POST \
"https://api.theirstack.com/v1/companies/buying_intents" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{ "company_domain": "walmart.com" }'Who's actively investing in this topic right now?
Search companies by any of the 9,000+ buying intent topics. Filter by company size, industry, or geography to build targeted prospect lists of accounts that are actually in-market.
View API docs$ curl -X POST \
"https://api.theirstack.com/v1/companies/search" \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{ "company_keyword_slug_or": ["ehs"] }'Data Quality
Built for accuracy and depth
Every buying intent signal is traceable, scored for confidence, and enriched with company metadata across 14 keyword categories.
9,000+ Topic Catalog
From compliance and regulations to strategic initiatives, equipment purchases, and operational activities — we track 9,000+ buying intent topics across 14 keyword categories.
Explore topicsBuying Intent Signals
Detect buying intent changes as they happen. Our platform processes new signals every minute from millions of job postings worldwide.
Learn about signalsCompany Database
Access buying intent profiles for companies worldwide. Each profile includes all detected topics with confidence scores and historical data.
Explore companiesTraceable to Source
Every buying intent signal links back to the original job postings. Verify any detection with direct access to the evidence — company, date, and job description.
How we source dataConfidence Scoring
Our three-tier confidence model (low, medium, high) estimates how strong a buying intent signal is, based on mention volume across job postings in the last 90 days.
How scoring worksFrequently asked questions