Look up a company's tech stack
Look up what one company runs, including the backend and internal tools a website scan cannot see, before a call or a piece of research.
Who it's for: A rep, analyst or market researcher who looks up one named company at a time, before a call or for a piece of research.
Stripe mentions Terraform and Kubernetes in a new posting · 3h agoCategory adoption
Klarna mentions dbt in a new posting · 1d agoCategory adoption
Spotify mentions Backstage in a new posting · 2d agoCategory adoption
Learn how
- Guide
How to Discover Any Company's Tech Stack
Step-by-step guide to finding what technologies any company uses — from backend infrastructure to internal tools — using TheirStack's job-posting-based technographic data.
Connect your agent
MCP server
Claude, ChatGPT, Cursor, Gemini or any MCP client
https://api.theirstack.com/mcp
Claude
ChatGPT
Cursor
GeminiAPI
Run this use case from your own code
curl -X POST https://api.theirstack.com/v1/companies/search \
-H "Authorization: Bearer YOUR_API_KEY" \
-H "Content-Type: application/json" \
-d '{
"company_domain_or": ["stripe.com"]
}'See what a company runs before the call.
Look up any company's technology, including the backend tools a website scan can't see.