Calorie APIFree

A free JSON API for calorie and macronutrient lookup. No API key required.

112 foodsUSDA-based nutrition data

Natural language"2 eggs, toast, and coffee"

5 macrosCalories, protein, carbs, fat, fiber

Quantity parsingHandles "3 slices" automatically

Endpoint

POST https://everyone.food/api/calories

Send a JSON body with a meal field describing what was eaten. The API parses each food item, matches it to the database, and returns per-item and total nutrition data.

Request

Headers

Header	Value
`Content-Type`	`application/json`

Body

Field	Type	Description
`meal`	string	Natural language description of a meal. Supports commas, "and", quantities, and common food names.

Example

curl -X POST https://everyone.food/api/calories \
  -H "Content-Type: application/json" \
  -d '{"meal": "2 eggs, toast, and coffee"}'

Response

Success (200)

{
  "meal": "2 eggs, toast, and coffee",
  "items_matched": 3,
  "items_unmatched": 0,
  "items": [
    {
      "input": "2 eggs",
      "matched": "eggs",
      "quantity": 2.0,
      "serving": "2 large eggs",
      "calories": 310,
      "protein_g": 26.0,
      "carbs_g": 2.2,
      "fat_g": 22.0,
      "fiber_g": 0.0
    },
    {
      "input": "toast",
      "matched": "toast",
      "quantity": 1.0,
      "serving": "1 slice toasted",
      "calories": 94,
      "protein_g": 3.3,
      "carbs_g": 16.5,
      "fat_g": 1.6,
      "fiber_g": 1.0
    },
    {
      "input": "coffee",
      "matched": "coffee",
      "quantity": 1.0,
      "serving": "1 cup black",
      "calories": 5,
      "protein_g": 0.7,
      "carbs_g": 0.0,
      "fat_g": 0.0,
      "fiber_g": 0.0
    }
  ],
  "totals": {
    "calories": 409,
    "protein": 30.0,
    "carbs": 18.7,
    "fat": 23.6,
    "fiber": 1.0
  }
}

Response Fields

Field	Type	Description
`meal`	string	The original meal description
`items_matched`	integer	Number of food items successfully identified
`items_unmatched`	integer	Number of items that couldn't be matched
`items[]`	array	Per-item breakdown (see below)
`totals`	object	Sum of all matched items
`unmatched`	array	List of food names that couldn't be identified (only present if any)

Item Fields

Field	Type	Description
`input`	string	Raw text parsed from the meal string
`matched`	string	Database food name matched to
`quantity`	number	Parsed quantity (default 1.0)
`serving`	string	Human-readable serving description
`calories`	integer	Total calories for this item × quantity
`protein_g`	number	Protein in grams
`carbs_g`	number	Carbohydrates in grams
`fat_g`	number	Fat in grams
`fiber_g`	number	Fiber in grams

GET Endpoint

GET https://everyone.food/api/calories

Returns API metadata: number of foods in the database, supported fields, and usage instructions.

curl https://everyone.food/api/calories

{
  "service": "everyone.food Calorie Counter",
  "foods_in_database": 112,
  "fields": ["calories", "protein_g", "carbs_g", "fat_g", "fiber_g"],
  "supports": "quantity parsing, fuzzy matching, common meals, multi-item meals",
  "usage": "POST /api/calories with JSON {\"meal\": \"2 eggs, toast, and coffee\"}"
}

Try It Live

Enter a meal:

Usage Tips

Separate foods with commas or "and" — e.g. "rice, chicken, and salad"
Include quantities — e.g. "3 slices of pizza" or "2 bananas"
Common meals work — e.g. "burger and fries"
Unrecognized items are listed in the unmatched array
All values are estimates based on standard serving sizes

Rate Limits

The API is free and has no authentication. Please be reasonable with request volume. If you're building something that needs high throughput, get in touch.