Envirofacts Developer and Data Services
Access Envirofacts data programmatically using EPS's APIs, metadata tools, and documentation. This page provides a single entry point for developers, researchers, and analysts to explore data models, search metadata, view data refresh schedules, and access REST and SOAP services.
Data Models and Metadata
- View the Envirofacts data model and system metadata - Explore database diagrams, descriptions, and API query options.
- Search Envirofacts data element metadata - Find field names, definitions, and related database tables by program, with options to search tables and columns, columns only, or tables only.
Data Updates
- View the Envirofacts data refresh schedule and update history - See when datasets were last updated and review past changes across all Envirofacts systems.
Web Services & API Documentation
- Read the comprehensive Envirofacts web services documentation - Learn how to use REST and SOAP APIs, including request parameters, output formats, and example queries.
- Browse the Envirofacts REST API viewer - Explore available system-level and sub-system API endpoints, with details on accepted parameters and sample output.
- View Envirofacts API access statistics by year, month, and program - Includes total requests counts and program-level usage.