# Data Legion ## Docs - [Company Discovery (Beta)](https://www.datalegion.ai/docs/api-reference/company-discovery.md): Company Discovery API endpoint: find companies using natural language queries across 71M+ company profiles. - [Company Enrichment](https://www.datalegion.ai/docs/api-reference/company-enrichment.md): Company Enrichment API endpoint: match companies by domain, name, LinkedIn ID, social URL, or ticker and append 50+ firmographic and workforce data points. - [Company Search (Beta)](https://www.datalegion.ai/docs/api-reference/company-search.md): Company Search API endpoint: query company profiles using SQL-like syntax with flexible filtering across 50+ data fields. - [API Overview](https://www.datalegion.ai/docs/api-reference/overview.md): Overview of the Data Legion API: authentication, base URL, rate limits, and getting started with programmatic access to person and company data. - [Person Discovery (Beta)](https://www.datalegion.ai/docs/api-reference/person-discovery.md): Person Discovery API endpoint: find people using natural language queries across 188M+ professional profiles. - [Person Enrichment](https://www.datalegion.ai/docs/api-reference/person-enrichment.md): Person Enrichment API endpoint: match records by email, phone, name, social URL, or other identifiers and append 100+ profile data points. - [Person Search (Beta)](https://www.datalegion.ai/docs/api-reference/person-search.md): Person Search API endpoint: query profiles using SQL-like syntax with flexible filtering across 100+ data fields. - [Field Cleaning](https://www.datalegion.ai/docs/api-reference/utility-clean.md): Clean and normalize person fields (email, phone, name, state, country, social URL) and company fields (domain, company name, LinkedIn URL, ticker symbol) to match API format before using search. - [Email Hashing](https://www.datalegion.ai/docs/api-reference/utility-hash-email.md): Hash email addresses using SHA-256, SHA-1, and MD5 for privacy-safe enrichment via the email_hash parameter. - [Data Validation](https://www.datalegion.ai/docs/api-reference/utility-validate.md): Validate person and company data format and get suggestions before sending to search or enrich endpoints. - [Field Reference](https://www.datalegion.ai/docs/company-data/fields.md): Detailed field reference for all 50+ data points in the Data Legion company data schema. - [Company Data Overview](https://www.datalegion.ai/docs/company-data/overview.md): Overview of Data Legion's company data: up to 50+ data points per company covering firmographics, workforce analytics, growth signals, and headcount history. - [Schema & Example Record](https://www.datalegion.ai/docs/company-data/schema.md): Complete example JSON record showing all 50+ fields in the Data Legion company data schema, including workforce analytics and headcount history. - [Dataset Statistics & Coverage](https://www.datalegion.ai/docs/company-data/stats.md): Coverage statistics and field fill rates for Data Legion's 71M+ company profiles, including firmographic coverage, workforce analytics availability, and social profile data. - [Data Tiers: Base vs Premium](https://www.datalegion.ai/docs/company-data/tiers.md): Compare Data Legion's Base and Premium company data tiers. Base includes core firmographics; Premium adds workforce analytics, growth signals, financial data, and quality metadata. - [Data Freshness](https://www.datalegion.ai/docs/data-quality/data-freshness.md): How Data Legion tracks data recency and determines which contact information is current through last_seen dates and current status flags for person and company data. - [Data Verification](https://www.datalegion.ai/docs/data-quality/data-verification.md): How Data Legion verifies data through multi-source confirmation, cross-referencing, and confidence scoring to ensure accuracy across person and company records. - [Data Quality Overview](https://www.datalegion.ai/docs/data-quality/overview.md): How Data Legion ensures data accuracy through quality scoring, validation, and rigorous data standards across 188M+ person profiles and 71M+ company profiles. - [Quality Scoring](https://www.datalegion.ai/docs/data-quality/quality-scoring.md): How Data Legion's quality scores (high, moderate, low) help you assess the reliability of person data across phones, emails, locations, and social profiles. - [Array Ordering](https://www.datalegion.ai/docs/data-standardization/array-ordering.md): How Data Legion sorts arrays deterministically: contact arrays by current status and quality, experience by date, skills and certifications alphabetically, and company arrays by recency. - [Field Formats](https://www.datalegion.ai/docs/data-standardization/field-formats.md): Format specifications for Data Legion data fields: cleaned vs raw text variants, date formats, phone number formatting, ISO codes, and more. - [Enum Values](https://www.datalegion.ai/docs/enums.md): All possible enum values used across Data Legion person and company data: seniority level, job function, company size, social network, degree level, and more. - [Delivery & Formats](https://www.datalegion.ai/docs/getting-started/delivery-formats.md): Data delivery methods (S3, GCS, Azure, SFTP) and file formats (CSV, JSON, Parquet, Delta) for Data Legion person and company data feeds. - [Quickstart](https://www.datalegion.ai/docs/getting-started/quickstart.md): Get started with Data Legion person and company data via APIs or bulk data feeds. Choose between real-time API access or monthly bulk data delivery. - [Clay](https://www.datalegion.ai/docs/integrations/clay.md): Connect Data Legion's person and company enrichment APIs to Clay using the HTTP API integration. Step-by-step setup for endpoint, authentication, request body, and response mapping. - [CLI](https://www.datalegion.ai/docs/integrations/cli.md): Official command-line interface for the Data Legion API. Enrich and search person and company data from the terminal. Designed for both human users and AI agents. - [Make](https://www.datalegion.ai/docs/integrations/make.md): Connect Data Legion's person and company enrichment APIs to Make using the HTTP module. Step-by-step setup for endpoint, authentication, request body, and response parsing. - [MCP Server](https://www.datalegion.ai/docs/integrations/mcp-server.md): Connect AI assistants like Claude, ChatGPT, Gemini, Cursor, and OpenClaw to Data Legion using the Model Context Protocol (MCP). Access person and company data through AI tool calls. - [Zapier](https://www.datalegion.ai/docs/integrations/zapier.md): Connect Data Legion's person and company enrichment APIs to Zapier using Webhooks by Zapier. Step-by-step setup for endpoint, authentication, request body, and response handling. - [Documentation](https://www.datalegion.ai/docs/introduction.md): Documentation for Data Legion's person and company data products. Learn about our data schemas, APIs, bulk data feeds, quality scoring, and more. - [Field Reference](https://www.datalegion.ai/docs/person-data/fields.md): Complete reference for all fields in the Data Legion person data schema, organized by category: identity, employment, contact, location, experience, education, and socials. - [Person Data Overview](https://www.datalegion.ai/docs/person-data/overview.md): Overview of Data Legion's person data: up to 100+ data points per profile covering contact info, employment history, education, skills, certifications, and social profiles. - [Schema & Example Record](https://www.datalegion.ai/docs/person-data/schema.md): Complete example JSON record showing all 100+ fields in the Data Legion person data schema, including nested objects and arrays. - [Dataset Statistics & Coverage](https://www.datalegion.ai/docs/person-data/stats.md): Coverage statistics and field fill rates for Data Legion's 188M+ person profiles, including confidence distributions for phones, emails, locations, and socials. - [Data Tiers: Base vs Premium](https://www.datalegion.ai/docs/person-data/tiers.md): Compare Data Legion's Base and Premium data tiers. Base includes core contact and employment data; Premium adds quality metadata, raw variants, and derived insights. - [1.1.0_2026-03-10](https://www.datalegion.ai/docs/release-notes/1.1.0_2026-03-10.md): Company dataset launch, CASS/NCOA address validation, classification accuracy improvements, and new person fields. - [1.2.0_2026-04-10](https://www.datalegion.ai/docs/release-notes/1.2.0_2026-04-10.md): Improved company data completeness, new social URLs on company records, and better international name handling. - [1.3.0_2026-05-12](https://www.datalegion.ai/docs/release-notes/1.3.0_2026-05-12.md): Professional certifications added to person records, plus continued address validation rollout. - [Node.js SDK](https://www.datalegion.ai/docs/sdks/node.md): Official Node.js SDK for the Data Legion API. Full TypeScript support with zero dependencies. Person and company enrichment, search, discovery, and utility endpoints. - [Python SDK](https://www.datalegion.ai/docs/sdks/python.md): Official Python SDK for the Data Legion API. Sync and async clients with full type hints, Pydantic v2 response models, and support for person/company enrichment, search, and discovery. ## OpenAPI Specs - [openapi](https://www.datalegion.ai/docs/api-reference/openapi.json)