> ## Documentation Index > Fetch the complete documentation index at: https://www.datalegion.ai/docs/llms.txt > Use this file to discover all available pages before exploring further. # Documentation > Documentation for Data Legion's person and company data products. Learn about our data schemas, APIs, bulk data feeds, quality scoring, and more. # Welcome to Data Legion Documentation Data Legion provides enterprise-grade person and company data through APIs and bulk data feeds. This documentation will help you understand our data structure, quality processes, and how to get started. ## What is Data Legion? Data Legion delivers two core datasets through APIs and monthly bulk data feeds: ### Person Data **188M+ professional profiles** with up to **100+ data points** each, covering: * **Contact Information**: Work emails, mobile phones, addresses * **Employment History**: Career progression with company details and enrichment * **Education**: Schools, degrees, and fields of study * **Professional Data**: Skills, languages, certifications * **Location Data**: Current and historical addresses with ISO codes * **Socials**: LinkedIn Profile, GitHub Profile, and other socials with strong coverage ### Company Data **71M+ company profiles** with up to **50+ data points** each, covering: * **Core Identity**: Name, domain, industry, type, size, founding year * **Workforce Analytics**: Employee counts, growth rates, tenure distributions * **Hiring & Attrition**: New hire and departure counts by time period * **Growth Signals**: Workforce growth rates across 1, 3, 6, and 12 month windows * **Workforce Distributions**: Seniority, job function, expense category breakdowns * **Headcount History**: Monthly snapshots for trend analysis ## Key Features ### APIs Integrate our data into your apps. Enrich existing records, search our database, discover people and companies with natural language, and clean or validate inputs. ### Bulk Data Feeds Complete datasets delivered monthly via secure transfer. No rate limits, no per-request costs. Just complete datasets ready for analytics, ML training, and batch processing. ### Rich Profiles Person records span career history, company data, and contact information. Company records span firmographics, workforce analytics, and growth signals. ### Quality Scoring Each data point receives a quality score (high, moderate, or low) that helps you understand data reliability. See [Data Quality](/docs/data-quality/overview) for details. ### Data Normalization All text data points include both cleaned (normalized) and raw (source) variants, giving you flexibility in how you use the data. ### Monthly Refreshes Data is refreshed monthly to capture job changes, promotions, workforce shifts, and growth signals as they happen. ## Quick Links Get up and running quickly Learn about our person data structure Learn about our company data structure Integrate our data into your applications ## Who Uses Data Legion? * **Sales Teams**: Reach prospects with reliable contact data and personalize outreach with career history * **Marketing Teams**: Power ABM campaigns with strong LinkedIn coverage and company intelligence * **Recruiting Teams**: Find qualified candidates with career progression data * **Data Scientists**: Build reliable models with person and company data across 100+ fields * **Tech Platforms**: Power AI agents and enrichment tools with data your customers can trust * **Investment & PE**: Conduct due diligence, analyze workforce composition, and track growth signals ## Need Help? * **Get API Access**: [Try for free](https://www.datalegion.ai/sign-up) with self-serve credits — most accounts are approved within a couple of hours * **Enterprise & Bulk Data**: [Contact Sales](https://www.datalegion.ai/get-started) for premium fields, higher rate limits, and bulk data feeds * **Questions**: Reach us at [support@datalegion.ai](mailto:support@datalegion.ai)