Buying Intents API
Know what your prospects are buying
- Detect non-technology buying signals across 14 keyword categories
- Track 9,000+ topics like compliance, M&A, sustainability, and equipment
- Get confidence-scored signals updated daily from real job postings
Trusted by the world’s most innovative sales and marketing teams
API Use Cases
Start querying in minutes
Two endpoints to cover the most common buying intent lookups — get a company's intents or search companies by topic.
Get Buying Intents for a Company
Look up any company by domain and get their buying intent topics — including confidence scores, mention counts, and first/last seen dates across 14 keyword categories.
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" }'Find Companies by Buying Intent
Search for companies by buying intent topic. Find all companies investing in compliance, sustainability, M&A, or any of the 9,000+ topics we track.
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