info: title: Zestful Vocabulary description: >- Domain vocabulary for the Zestful ingredient parser API covering food data, recipe parsing, nutritional data, and USDA FoodData Central concepts. version: 1.0.0 created: '2026-05-03' modified: '2026-05-03' tags: - Food - Ingredients - Parsers - Recipes - USDA terms: - term: Ingredient definition: >- A single food item used in a recipe, described by quantity, unit, product name, and optional preparation notes. tags: - Core - Food - term: Ingredient String definition: >- A free-form text representation of a recipe ingredient as it appears in published recipes (e.g., "2 cups all-purpose flour"). tags: - Input - Parsing - term: Parsed Ingredient definition: >- The structured JSON representation of an ingredient string after machine-learning parsing by Zestful. tags: - Output - Parsing - term: Quantity definition: >- The numeric amount of an ingredient specified in a recipe (e.g., 2 for "2 cups flour"). May be null if not specified. tags: - Measurement - Parsing - term: Unit definition: >- The measurement unit associated with a quantity, expressed in singular form (e.g., "cup", "teaspoon", "tablespoon", "ounce"). tags: - Measurement - Parsing - term: Product definition: >- The purchasable food item name extracted from an ingredient string (e.g., "all-purpose flour", "kosher salt", "unsalted butter"). tags: - Core - Food - term: Product Size Modifier definition: >- A size descriptor for an ingredient (e.g., "large", "small", "medium"). tags: - Measurement - Parsing - term: Preparation Notes definition: >- Instructions describing how an ingredient should be prepared before use (e.g., "melted", "finely chopped", "beaten"). tags: - Cooking - Parsing - term: Confidence Score definition: >- A float from 0.0 to 1.0 representing the model's certainty in its parse result. Higher values indicate greater confidence. tags: - Machine Learning - Quality - term: USDA FoodData Central definition: >- The United States Department of Agriculture's comprehensive food composition database used by Zestful to match parsed ingredients to standardized nutritional records. tags: - USDA - Nutrition - Reference Data - term: FDC ID definition: >- The USDA FoodData Central unique identifier for a food item (e.g., "20081" for all-purpose flour). tags: - USDA - Identifier - term: Match Method definition: >- The algorithm used to match a parsed ingredient to the USDA database. Values: exact (direct match), closestUnbranded (nearest generic match), closestBranded (nearest branded product match). tags: - USDA - Matching - term: Sandbox Server definition: >- A free-tier server at sandbox.zestfuldata.com that allows 30 ingredient parses per day without authentication, used for testing and development. tags: - Environment - Pricing - term: Requests Remaining definition: >- The number of ingredient parse requests remaining in the current free quota period on the sandbox server. tags: - Rate Limiting - Sandbox