Look Up Food Nutrition
Search for any food and get detailed nutritional information including calories, protein, fat, and carbohydrates.
Nutrition Data
Nutrition facts for any food
Look up nutrition facts for any food or packaged product. Search by name for USDA macro/micronutrient breakdowns, or search international packaged products by brand. Scan a barcode to get ingredients, allergens, nutri-scores, and per-100g nutrition.
Search Foods
Search food databases for foods by name, brand, or keyword. Returns matching foods with basic nutrition info and FDC IDs for detailed lookup.
Returns: List of matching foods with FDC IDs, descriptions, brand owners, and key macros (calories, protein, fat, carbs)
Parameters
query *stringSearch term like 'chicken breast' or 'coca cola'
page_sizenumberNumber of results to return (default 10, max 50)
Example
Search for chicken breast nutrition
curl -H "Authorization: Bearer $TOOLROUTER_API_KEY" \
-d '{
"tool": "nutrition-data",
"skill": "search_foods",
"input": {
"query": "chicken breast"
}
}' \
https://api.toolrouter.com/v1/tools/callGet Nutrition Details
Get detailed nutrition breakdown for a specific food by its FDC ID. Returns comprehensive macro and micronutrient data including vitamins, minerals, and serving sizes.
Returns: Full nutrition breakdown including calories, protein, fats, carbs, fiber, sugars, sodium, cholesterol, vitamins A/C, calcium, iron, and potassium with units
Parameters
fdc_id *numberFoodData Central ID from search results
Example
Get full nutrition for a food
curl -H "Authorization: Bearer $TOOLROUTER_API_KEY" \
-d '{
"tool": "nutrition-data",
"skill": "get_nutrition",
"input": {
"fdc_id": 534358
}
}' \
https://api.toolrouter.com/v1/tools/callSearch Products
Search an international database of packaged food products by name or brand. Returns product names, brands, nutri-scores, images, and nutrition per 100g. Best for branded and packaged foods worldwide.
Returns: List of matching products with names, brands, nutri-scores, images, and nutrition per 100g (calories, protein, fat, carbs, fiber, sugars, salt)
Parameters
query *stringSearch term like 'nutella' or 'oat milk'
page_sizenumberNumber of results to return (default 10, max 50)
Example
Search for a popular branded product
curl -H "Authorization: Bearer $TOOLROUTER_API_KEY" \
-d '{
"tool": "nutrition-data",
"skill": "search_products",
"input": {
"query": "nutella"
}
}' \
https://api.toolrouter.com/v1/tools/callLookup Barcode
Look up a packaged food product by its barcode (EAN/UPC). Returns full product details including name, brand, ingredients, allergens, nutri-score, packaging, and detailed nutrition per 100g and per serving.
Returns: Full product details including name, brand, ingredients, allergens, nutri-score, packaging, and nutrition breakdown per 100g and per serving
Parameters
barcode *stringProduct barcode (EAN-13 or UPC-A), e.g. '3017620422003'
Example
Look up Nutella by barcode
curl -H "Authorization: Bearer $TOOLROUTER_API_KEY" \
-d '{
"tool": "nutrition-data",
"skill": "lookup_barcode",
"input": {
"barcode": "3017620422003"
}
}' \
https://api.toolrouter.com/v1/tools/callQuick Start
MCP (Claude Code)
claude mcp add --transport stdio \
--env TOOLROUTER_API_KEY=YOUR_API_KEY \
toolrouter -- npx -y toolrouter-mcpREST API
curl -H "Authorization: Bearer $TOOLROUTER_API_KEY" \
-d '{"tool":"nutrition-data","skill":"search_foods","input":{}}' \
https://api.toolrouter.com/v1/tools/callUse Cases
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Frequently Asked Questions
Can it look up both foods and packaged products?
Yes. It supports USDA food lookups as well as international packaged products by brand.
What does barcode lookup add?
Barcode scans return ingredients, allergens, nutri-scores, and per 100g nutrition.
Does it show micronutrients or just calories?
It includes macro and micronutrient breakdowns.
Is it useful for grocery or meal-planning apps?
Yes. It is especially useful when you need structured nutrition and allergen data.