Covid Tracking Project

About Covid Tracking Project

The COVID Tracking Project provided a data API delivering COVID-19 statistics for the United States, covering cases, deaths, hospitalizations, testing, and ICU/ventilator usage at both national and state/territory levels. Data was returned as JSON with accompanying metadata, field definitions, and titles, and included calculated fields such as percentage of population and percent increase over seven days. As of March 7, 2021, the project stopped collecting new data.

The API (version 2) offered endpoints for historic and single-day national data, state metadata, and historic or single-day state-level data, each with a corresponding simplified endpoint to reduce file size. Version 2 also introduced a field-name mapping from version 1 for developers migrating existing integrations.

The data was licensed under CC BY 4.0 and published by CovidTracking.com, part of the Atlantic Monthly Group, making it suited for developers and researchers building applications or analyses using historical US COVID-19 data.

Key features

• JSON API delivering historic and current COVID-19 data for the US and individual states/territories
• Every endpoint includes field definitions, titles, and metadata alongside data
• Built-in calculated fields like percentage of population and 7-day percent increase
• Simplified endpoints available for lower file-size responses
• State metadata endpoints with methodology notes and data source websites
• Historic daily data available per state or nationally, plus single-day lookups

Frequently asked questions