Technographics API

Know your prospects' tech stack

  • Reveal the tech stack of 11M companies across 195 countries
  • Find companies using any of 32k technologies
  • Get notified immediately when new companies start using a technology
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Airtable
JavaScript
MongoDB
Stripe
Kafka
Salesforce
PowerBI
Microsoft Teams

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API Use Cases

Start querying in minutes

Two endpoints to cover the most common technographic lookups — get a company's stack or find companies by technology.

Get the Tech Stack of a Company

Look up any company by domain and get their full technology stack — including confidence scores, mention counts, and first/last seen dates.

View API docs
$ curl -X POST \
  "https://api.theirstack.com/v1/companies/technologies" \
  -H "Authorization: Bearer YOUR_API_KEY" \
  -H "Content-Type: application/json" \
  -d '{ "company_domain": "stripe.com" }'

Get Companies Using a Technology

Search for companies by technology stack. Find all companies using Kubernetes, React, Snowflake, or any of the 33,000+ technologies 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_technology_slug_or": ["kubernetes"] }'

Data Quality

Built for accuracy and depth

Every signal is traceable, scored for confidence, and enriched with company and technology metadata.

33k+ Technology Catalog

From programming languages and frameworks to CRMs, ERPs, and cloud infrastructure — we track 33,000+ technologies across every category.

Explore catalog

384M+ Tech Signals

Detect technology adoption changes as they happen. Our platform processes new technographic signals every minute from millions of job postings worldwide.

Learn about signals

11M+ Company Database

Access technographic profiles for over 11M companies worldwide. Each profile includes the full technology stack with confidence scores and historical data.

Explore companies

Traceable to Source

Every technology 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 data

Confidence Scoring

Our three-tier confidence model (low, medium, high) estimates how likely it is a company actually uses a technology, based on mention volume, frequency, location, and recency.

How scoring works

API Features

Powerful filtering built in

Filter by technology, category, company size, and more to get exactly the technographic data you need from a single API call.

Advanced Filtering

Easily find and filter technology data by confidence level and category, and access key company attributes such as HQ location, employees, industry, and website.

See all filters

Frequently asked questions