United States Department of Agriculture

USDA FoodData Central API

The FoodData Central API provides REST access to FoodData Central (FDC), the USDA's integrated data system that provides expanded nutrient profile data and links to related agricultural and experimental research. The API supports food search, nutrient lookup, and retrieval of food details across multiple food data types including Foundation Foods, SR Legacy, FNDDS, Branded Foods, and Experimental Foods.

GitHub OpenAPI

Documentation

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Documentation
https://fdc.nal.usda.gov/api-guide/

Specifications

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OpenAPI
https://api.nal.usda.gov/fdc/v1/yaml-spec?api_key=DEMO_KEY
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OpenAPI
https://raw.githubusercontent.com/api-evangelist/united-states-department-of-agriculture/refs/heads/main/openapi/usda-fooddata-central-openapi.yml

Other Resources

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SpectralRules
https://raw.githubusercontent.com/api-evangelist/united-states-department-of-agriculture/refs/heads/main/rules/usda-fooddata-central-rules.yml
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NaftikoCapability
https://raw.githubusercontent.com/api-evangelist/united-states-department-of-agriculture/refs/heads/main/capabilities/food-data-research.yaml
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SignUp
https://fdc.nal.usda.gov/api-key-signup/

OpenAPI Specification

yaml-spec Raw ↑