How finding a company's tech stack works
TheirStack finds a company's tech stack in its job posts, including the backend, data and internal tools a website scan cannot see, so you can look up any company by name or domain and read each technology next to the job posts it was found in.
Look
Look up each company by name or domain
TheirStack opens a company's profile from its name or domain, with its industry, size and open jobs on the same page.
- Company Lookup from the search bar
- Search by name or domain
- Firmographics next to the stack
This week's calls
Stripestripe.com, financial servicesTuesday
Klarnaklarna.com, financial servicesWednesday
Spotifyspotify.com, music streamingFridayRead
Read what it runs, front end to back office
TheirStack lists every technology it found in the company's job posts, with a confidence level and the dates it was first and last seen.
- Technologies found in job posts
- Backend tools a website scan misses
- First and last seen dates
StripeTerraform and Kubernetes in infrastructure roles · 1d agoHighKlarnadbt in analytics engineering roles · 3d agoHighSpotifyBackstage in one platform role · 12d agoMediumCheck
Check the job post behind each technology
TheirStack links every technology to the job posts it was found in, so you can read the exact line before you bring it up on the call.
- Open the job posts behind each tool
- Step by step lookup guide
- Send the stack to HubSpot, or export a CSV
Notes for the call
StripeInfrastructure Engineer post names TerraformInfra automationKlarnaAnalytics Engineer post names dbtData modellingSpotifyPlatform Engineer post names BackstageDeveloper portal了解如何
- 指南
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.
查询公司的技术栈：与 AI 助手、自动化工具和 CRM 的集成
TheirStack 可与您已在使用的 AI 助手、自动化工具和 CRM 协同工作：通过 MCP 服务器让 Claude 或 ChatGPT 发起查询，通过 webhook 将新匹配结果发送到 Clay、n8n、Make 或 Zapier，并在 Salesforce 或 HubSpot 中创建潜在客户。
AI 助手
让 Claude、ChatGPT、Cursor 或任何 MCP 客户端通过 TheirStack MCP 服务器搜索职位、公司和技术栈。
MCP 服务器
https://api.theirstack.com/mcp自动化
TheirStack 会在发现每一家新匹配公司后，立即通过 webhook 将其发送到您的自动化平台，或经由该平台同步到您的 CRM 和销售工具。
通过您自己的代码运行此使用场景
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"] }'
Claude
ChatGPT
Cursor
VS Code
Windsurf
Cline
OpenCode
Gemini
Hermes
OpenClaw
Clay
n8n
Make
Zapier
Databar
Salesforce
HubSpot
Attio
Pipedrive
Apollo
Instantly
ContactOut