FoodData Central
FreeLiveLast verified 24 Sept 2026
USDA nutrient data for foundation, branded and survey foods, with full nutrient breakdowns.
Example request
curl -s 'https://api.nal.usda.gov/fdc/v1/foods/search?query=cheddar&api_key=$API_KEY'
Free tier, in plain English
Free registered key with a default 1,000-requests-per-hour limit; a shared DEMO_KEY exists for quick trials at 30/hour.
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