Agricultural Statistics Service
The National Agricultural Statistics Service (NASS) is an agency of the United States Department of Agriculture (USDA) whose mission is to support the United States, its agricultural sector, and rural communities by providing accurate, objective, and meaningful statistical information and services. NASS operates the QuickStats API for programmatic access to agricultural survey and census data, as well as geospatial APIs for cropland data, vegetation conditions, and crop moisture monitoring covering the continental United States.
APIs
USDA NASS QuickStats API
The QuickStats API provides direct programmatic access to the statistical information contained in the NASS Quick Stats database, covering official published aggregate estimates...
USDA NASS CroplandCROS API
The CroplandCROS API provides access to the Cropland Data Layer (CDL), a crop-specific land cover data layer with 30-meter spatial resolution covering the continental United Sta...
USDA NASS VegScape API
The VegScape API delivers vegetation condition indices at 250-meter spatial resolution covering the continental United States. Data includes daily and weekly vegetation index co...
USDA NASS Crop CASMA API
The Crop CASMA API provides programmatic access to crop vegetation and soil moisture conditions using NASA SMAP and MODIS satellite data for agricultural drought monitoring and ...
Features
All API access requires registration and an API key obtained by agreeing to NASS Terms of Service.
The QuickStats API supports JSON, XML, and CSV response formats with optional JSONP callback support.
Support for comparison operators including GE, LE, GT, LT, NE, LIKE, and NOT_LIKE for flexible data filtering.
Access to the complete Census of Agriculture and annual survey estimates covering all major commodity types.
Geospatial APIs provide 30-meter and 250-meter resolution data layers covering the entire continental United States.
Access to historical agricultural statistics and cropland data extending back to 1997 for select states.
Use Cases
Query crop production estimates by commodity, year, and location for market analysis and supply forecasting.
Access livestock inventory and production statistics at state and county levels for supply chain planning.
Use the CroplandCROS API to integrate 30-meter resolution cropland data into GIS applications and land use analysis.
Monitor crop condition and soil moisture via the Crop CASMA API to assess drought impacts on agricultural production.
Access the full Quick Stats database for academic research on agricultural trends, productivity, and policy analysis.
Combine crop production, livestock, and vegetation data to assess regional and national food security conditions.
Integrations
Open-source R package for accessing NASS QuickStats API data directly within R statistical computing environments.
Python package providing programmatic access to the USDA NASS QuickStats API for data analysis workflows.
NASS Quick Stats datasets are cataloged on catalog.data.gov for broader federal data discovery.
Crop CASMA integrates NASA SMAP satellite data for soil moisture monitoring.