---
title: Introduction
description: Explore the TheirStack API — the largest database of jobs and technographics. Search job postings, company tech stacks, and more across 100+ countries.
url: https://theirstack.com/en/docs/api-reference
---

Welcome to the TheirStack API - the largest database of jobs and technographics.

You can download the OpenAPI specification as a [JSON file](https://api.theirstack.com/openapi.json) or [YAML file](https://api.theirstack.com/openapi.yaml).

## Overview

#### Job Search

Search and filter real-time and historical job postings from more than 100 countries with flexible query parameters.

#### Company Search

Find companies by the technology they use or by the roles they are hiring for.

#### Technographics

Get the list of technologies used by any company in our database.