County Crop Yields API

This repository publishes USDA NASS county-level annual yields for corn, soybeans, and wheat as small static JSON files.

URL pattern

Use the discovery index for state/county/crop coverage and freshness, then fetch a point leaf or a state/crop rollup.

GET https://cdn.jsdelivr.net/gh/ProductOfAmerica/usda-county-yields@main/data/index.json
GET https://cdn.jsdelivr.net/gh/ProductOfAmerica/usda-county-yields@main/data/states/{fips}/counties/{county_code}/{crop_slug}.json
GET https://cdn.jsdelivr.net/gh/ProductOfAmerica/usda-county-yields@main/data/states/{fips}/crops/{crop_slug}.json

Supported crops

• corn
• soybeans
• wheat

Consistency

Use @main for the latest published data. Use @<commit-sha> when a workflow needs point-in-time consistency across index, leaf, and rollup files.