Nutritionix website screenshot

Nutritionix

Nutritionix operates the world's largest verified nutrition database, exposing a Track API (v2) that converts natural-language food and exercise descriptions into full nutrient analysis, and powers food search, branded item lookup, and restaurant menu data for diet, fitness, and health applications.

Nutritionix publishes 4 APIs on the APIs.io network, including Brands API, Item API, Natural Language API, and 1 more. Tagged areas include Restaurant, Health, Nutrition, Food, and Fitness.

The Nutritionix catalog on APIs.io includes 1 JSON-LD context and 2 Spectral governance rulesets.

Nutritionix’s developer surface includes authentication, documentation, signup flow, pricing, tooling, and 16 more developer resources.

48.4/100 developing ▼ -8.3 Agent 37/100 agent ready Full breakdown ↓
scored 2026-07-28 · rubric v0.6
AccessFreemiumSelf serve⚡ Free to try
4 APIs 5 Features 4 Use Cases
RestaurantHealthNutritionFoodFitnessPublic APIs

Kin Score

Kin Score Kin Score How this is scored →
scored 2026-07-28 · rubric v0.6
Composite quality — 48.4/100 · developing
Contract Quality 17.2 / 25
Developer Ergonomics 7.0 / 20
Commercial Clarity 7.9 / 20
Operational Transparency 4.8 / 13
Governance 8.3 / 12
Discoverability 8.2 / 10
Agent readiness — 37/100 · agent ready
Machine-Readable Contract 18 / 18
Agentic Access Contract 10 / 10
MCP Server 0 / 12
Machine-Readable Auth 10 / 10
Idempotency 0 / 9
Stable Error Semantics 0 / 8
Request/Response Examples 7 / 7
Rate-Limit Signaling 7 / 7
Typed Event Surface 0 / 6
Agent Skills 0 / 5
Well-Known Catalog 0 / 4
Consent & Bot Identity 0 / 3
A2A Agent Card 0 / 8
Dry-Run / Simulate Mode 0 / 4
Improve this rating by publishing the missing artifacts — every area above can be raised, and the full rubric is at apis.io/rating/. This rating is computed from github.com/api-evangelist/nutritionix: open an issue to ask a question, or submit a pull request to add artifacts. Want it done for you? Prioritized profiling — $2,500 →

APIs 4

Individual APIs this provider publishes, each with its own machine-readable definition.

Nutritionix Brands API

Search the database of food and restaurant brands.

Nutritionix Item API

Look up detailed nutrition for branded and restaurant menu items.

Nutritionix Natural Language API

Translate plain-text food and exercise phrases into structured nutrition data.

Nutritionix Search API

Search the nutrition database for common and branded foods.

Open Collections 1

Open, tool-agnostic API collections (OpenAPI-derived and Bruno).

Nutritionix Track API v2

OPEN COLLECTION

Pricing Plans 1

Published pricing tiers and plan structures.

Rate Limits 1

Documented rate limits and quota policies.

Nutritionix Rate Limits

3 limits

RATE LIMITS

FinOps 1

Cost, billing, and metering signals for API financial operations.

Features 5

Notable capabilities this provider offers.

Natural Language Nutrition

Convert free-text meal descriptions into full nutrient breakdowns including calories, macros, and micronutrients.

Natural Language Exercise

Convert free-text activity descriptions into calorie-burn estimates personalized by gender, weight, height, and age.

Instant Food Search

Typeahead search returning matched common foods and branded foods for autocomplete experiences.

Branded & Restaurant Item Lookup

Retrieve detailed nutrition for branded grocery and restaurant menu items by nix_item_id or UPC.

Verified Nutrition Database

Access the world's largest verified nutrition database, including USDA NDB-linked common foods and over a million branded items.

Semantic Vocabularies 1

JSON-LD contexts and semantic vocabularies used across these APIs.

Nutritionix Track Context

15 classes · 69 properties

JSON-LD

Spectral Rules 2

Spectral governance rulesets for linting and validating these APIs.

Nutritionix API Rules

5 rules · 4 warnings 1 info

SPECTRAL

Nutritionix API Rules

33 rules · 8 errors 18 warnings 7 info

SPECTRAL

JSON Schema 15

Standalone JSON Schema definitions for this provider's data models.

AltMeasure

4 properties

JSON SCHEMA

Brand

4 properties

JSON SCHEMA

BrandSearchResponse

1 properties

JSON SCHEMA

BrandedFood

12 properties

JSON SCHEMA

CommonFood

8 properties

JSON SCHEMA

Exercise

9 properties

JSON SCHEMA

Food

27 properties

JSON SCHEMA

FoodsResponse

1 properties

JSON SCHEMA

FullNutrient

2 properties

JSON SCHEMA

InstantSearchResponse

2 properties

JSON SCHEMA

NaturalExerciseRequest

5 properties

JSON SCHEMA

NaturalExerciseResponse

1 properties

JSON SCHEMA

NaturalNutrientsRequest

10 properties

JSON SCHEMA

NaturalNutrientsResponse

1 properties

JSON SCHEMA

Photo

3 properties

JSON SCHEMA

Scroll for all 15

JSON Structure 15

JSON Structure definitions describing this provider's data shapes.

Track Alt Measure Structure

4 properties

JSON STRUCTURE

Track Brand Search Response Structure

1 properties

JSON STRUCTURE

Track Brand Structure

4 properties

JSON STRUCTURE

Track Branded Food Structure

12 properties

JSON STRUCTURE

Track Common Food Structure

8 properties

JSON STRUCTURE

Track Exercise Structure

9 properties

JSON STRUCTURE

Track Food Structure

27 properties

JSON STRUCTURE

Track Foods Response Structure

1 properties

JSON STRUCTURE

Track Full Nutrient Structure

2 properties

JSON STRUCTURE

Track Instant Search Response Structure

2 properties

JSON STRUCTURE

Track Natural Exercise Request Structure

5 properties

JSON STRUCTURE

Track Natural Exercise Response Structure

1 properties

JSON STRUCTURE

Track Natural Nutrients Request Structure

10 properties

JSON STRUCTURE

Track Natural Nutrients Response Structure

1 properties

JSON STRUCTURE

Track Photo Structure

3 properties

JSON STRUCTURE

Scroll for all 15

Examples 15

Example request and response payloads for these APIs.

Track Alt Measure Example

4 fields

EXAMPLE

Track Brand Example

4 fields

EXAMPLE

Track Branded Food Example

12 fields

EXAMPLE

Track Common Food Example

8 fields

EXAMPLE

Track Exercise Example

9 fields

EXAMPLE

Track Food Example

27 fields

EXAMPLE

Track Photo Example

3 fields

EXAMPLE

Scroll for all 15

Security Posture 2

Authentication, domain security, vulnerability disclosure, and trust-center signals.

Nutritionix Authentication

apiKey · 2 schemes

SECURITY

Nutritionix Domain Security

TLSv1.3 · HSTS · DMARC

SECURITY

Agentic Access 1

Recommended x-agentic-access execution contracts for AI agents.

Nutritionix Agentic Access

6 operations · 2 acting

6 operations · 2 acting

AGENTIC

Use Cases 4

What developers build with this provider.

Diet & Calorie Tracking

Power food logging and calorie-counting apps with natural-language meal entry.

Fitness & Activity Tracking

Estimate calories burned from logged workouts and activities.

Restaurant Menu Nutrition

Surface accurate nutrition facts for restaurant and chain menu items.

Nutrition Label Rendering

Generate FDA-style nutrition labels from API nutrient data.

Integrations 2

Pre-built integrations with other platforms and tools.

USDA NDB

Common-food results are linked to USDA National Nutrient Database (NDB) numbers and nutrient attribute IDs.

Syndigo / Riversand

Nutritionix is part of Syndigo; developer documentation is hosted on the Syndigo docs platform.

Resources

Get Started 2

Portal, sign-up, and the first successful call

Documentation 1

Reference material describing how the API behaves

Agent Surfaces 1

MCP servers, agent skills, and machine-readable catalogs

Design & Contract 3

Pagination, idempotency, versioning, errors, and events

Build 6

SDKs, sample code, and the tooling you integrate with

Access & Security 2

Authentication, authorization, and security posture

Operate 1

Status, limits, changes, and where to get help

Commercial 3

Pricing, plans, and the legal terms of use

Company 1

The organization behind the API

Other 1

Properties that don't map to a standard resource type

Source (apis.yml)

apis.yml Raw ↑
aid: nutritionix
accessModel:
  pricing: freemium
  onboarding: self-serve
  trial: false
  try_now: true
  public: false
  label: Freemium · Self-serve signup
  confidence: high
  source:
  - plans
  - authentication
  generated: '2026-07-22'
  method: derived
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/icons/nutritionix.png
name: Nutritionix
description: Nutritionix operates the world's largest verified nutrition database, exposing a Track API (v2) that converts
  natural-language food and exercise descriptions into full nutrient analysis, and powers food search, branded item lookup,
  and restaurant menu data for diet, fitness, and health applications.
url: https://developer.nutritionix.com/
specificationVersion: '0.20'
created: '2026-05-28'
modified: '2026-06-03'
x-source: public-apis/public-apis
x-category: Health
x-tier: 3
x-tier-reason: bulk-registered-from-public-apis
tags:
- Restaurant
- Health
- Nutrition
- Food
- Fitness
- Public APIs
apis:
- aid: nutritionix:nutritionix-brands-api
  name: Nutritionix Brands API
  description: Search the database of food and restaurant brands.
  humanURL: https://developer.nutritionix.com/docs/v2
  baseURL: https://trackapi.nutritionix.com/v2
  tags:
  - Brands
  properties:
  - type: OpenAPI
    url: openapi/nutritionix-brands-api-openapi.yml
  - type: Documentation
    url: https://developer.nutritionix.com/docs/v2
  - type: APIReference
    url: https://docx.syndigo.com/developers/docs/nutritionix-api-guide
  - type: Authentication
    url: https://docx.syndigo.com/developers/docs/authentication
  - type: SDKs
    url: https://github.com/nutritionix/nodejs-client-library
  - type: SDKs
    url: https://github.com/nutritionix/library-python
  - type: SDKs
    url: https://github.com/nutritionix/api-library-php
  - type: SDKs
    url: https://github.com/nutritionix/api-library-ror
  - type: SDKs
    url: https://github.com/nutritionix/track-api-angular-client
  - type: JSONSchema
    url: json-schema/track-alt-measure-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-branded-food-schema.json
  - type: JSONSchema
    url: json-schema/track-common-food-schema.json
  - type: JSONSchema
    url: json-schema/track-exercise-schema.json
  - type: JSONSchema
    url: json-schema/track-food-schema.json
  - type: JSONSchema
    url: json-schema/track-foods-response-schema.json
  - type: JSONSchema
    url: json-schema/track-full-nutrient-schema.json
  - type: JSONSchema
    url: json-schema/track-instant-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-response-schema.json
  - type: JSONSchema
    url: json-schema/track-photo-schema.json
  - type: JSONStructure
    url: json-structure/track-alt-measure-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-structure.json
  - type: JSONStructure
    url: json-structure/track-branded-food-structure.json
  - type: JSONStructure
    url: json-structure/track-common-food-structure.json
  - type: JSONStructure
    url: json-structure/track-exercise-structure.json
  - type: JSONStructure
    url: json-structure/track-food-structure.json
  - type: JSONStructure
    url: json-structure/track-foods-response-structure.json
  - type: JSONStructure
    url: json-structure/track-full-nutrient-structure.json
  - type: JSONStructure
    url: json-structure/track-instant-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-response-structure.json
  - type: JSONStructure
    url: json-structure/track-photo-structure.json
  - type: Examples
    url: examples/track-alt-measure-example.json
  - type: Examples
    url: examples/track-brand-example.json
  - type: Examples
    url: examples/track-brand-search-response-example.json
  - type: Examples
    url: examples/track-branded-food-example.json
  - type: Examples
    url: examples/track-common-food-example.json
  - type: Examples
    url: examples/track-exercise-example.json
  - type: Examples
    url: examples/track-food-example.json
  - type: Examples
    url: examples/track-foods-response-example.json
  - type: Examples
    url: examples/track-full-nutrient-example.json
  - type: Examples
    url: examples/track-instant-search-response-example.json
  - type: Examples
    url: examples/track-natural-exercise-request-example.json
  - type: Examples
    url: examples/track-natural-exercise-response-example.json
  - type: Examples
    url: examples/track-natural-nutrients-request-example.json
  - type: Examples
    url: examples/track-natural-nutrients-response-example.json
  - type: Examples
    url: examples/track-photo-example.json
- aid: nutritionix:nutritionix-item-api
  name: Nutritionix Item API
  description: Look up detailed nutrition for branded and restaurant menu items.
  humanURL: https://developer.nutritionix.com/docs/v2
  baseURL: https://trackapi.nutritionix.com/v2
  tags:
  - Item
  properties:
  - type: OpenAPI
    url: openapi/nutritionix-item-api-openapi.yml
  - type: Documentation
    url: https://developer.nutritionix.com/docs/v2
  - type: APIReference
    url: https://docx.syndigo.com/developers/docs/nutritionix-api-guide
  - type: Authentication
    url: https://docx.syndigo.com/developers/docs/authentication
  - type: SDKs
    url: https://github.com/nutritionix/nodejs-client-library
  - type: SDKs
    url: https://github.com/nutritionix/library-python
  - type: SDKs
    url: https://github.com/nutritionix/api-library-php
  - type: SDKs
    url: https://github.com/nutritionix/api-library-ror
  - type: SDKs
    url: https://github.com/nutritionix/track-api-angular-client
  - type: JSONSchema
    url: json-schema/track-alt-measure-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-branded-food-schema.json
  - type: JSONSchema
    url: json-schema/track-common-food-schema.json
  - type: JSONSchema
    url: json-schema/track-exercise-schema.json
  - type: JSONSchema
    url: json-schema/track-food-schema.json
  - type: JSONSchema
    url: json-schema/track-foods-response-schema.json
  - type: JSONSchema
    url: json-schema/track-full-nutrient-schema.json
  - type: JSONSchema
    url: json-schema/track-instant-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-response-schema.json
  - type: JSONSchema
    url: json-schema/track-photo-schema.json
  - type: JSONStructure
    url: json-structure/track-alt-measure-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-structure.json
  - type: JSONStructure
    url: json-structure/track-branded-food-structure.json
  - type: JSONStructure
    url: json-structure/track-common-food-structure.json
  - type: JSONStructure
    url: json-structure/track-exercise-structure.json
  - type: JSONStructure
    url: json-structure/track-food-structure.json
  - type: JSONStructure
    url: json-structure/track-foods-response-structure.json
  - type: JSONStructure
    url: json-structure/track-full-nutrient-structure.json
  - type: JSONStructure
    url: json-structure/track-instant-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-response-structure.json
  - type: JSONStructure
    url: json-structure/track-photo-structure.json
  - type: Examples
    url: examples/track-alt-measure-example.json
  - type: Examples
    url: examples/track-brand-example.json
  - type: Examples
    url: examples/track-brand-search-response-example.json
  - type: Examples
    url: examples/track-branded-food-example.json
  - type: Examples
    url: examples/track-common-food-example.json
  - type: Examples
    url: examples/track-exercise-example.json
  - type: Examples
    url: examples/track-food-example.json
  - type: Examples
    url: examples/track-foods-response-example.json
  - type: Examples
    url: examples/track-full-nutrient-example.json
  - type: Examples
    url: examples/track-instant-search-response-example.json
  - type: Examples
    url: examples/track-natural-exercise-request-example.json
  - type: Examples
    url: examples/track-natural-exercise-response-example.json
  - type: Examples
    url: examples/track-natural-nutrients-request-example.json
  - type: Examples
    url: examples/track-natural-nutrients-response-example.json
  - type: Examples
    url: examples/track-photo-example.json
- aid: nutritionix:nutritionix-natural-language-api
  name: Nutritionix Natural Language API
  description: Translate plain-text food and exercise phrases into structured nutrition data.
  humanURL: https://developer.nutritionix.com/docs/v2
  baseURL: https://trackapi.nutritionix.com/v2
  tags:
  - Natural Language
  properties:
  - type: OpenAPI
    url: openapi/nutritionix-natural-language-api-openapi.yml
  - type: Documentation
    url: https://developer.nutritionix.com/docs/v2
  - type: APIReference
    url: https://docx.syndigo.com/developers/docs/nutritionix-api-guide
  - type: Authentication
    url: https://docx.syndigo.com/developers/docs/authentication
  - type: SDKs
    url: https://github.com/nutritionix/nodejs-client-library
  - type: SDKs
    url: https://github.com/nutritionix/library-python
  - type: SDKs
    url: https://github.com/nutritionix/api-library-php
  - type: SDKs
    url: https://github.com/nutritionix/api-library-ror
  - type: SDKs
    url: https://github.com/nutritionix/track-api-angular-client
  - type: JSONSchema
    url: json-schema/track-alt-measure-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-branded-food-schema.json
  - type: JSONSchema
    url: json-schema/track-common-food-schema.json
  - type: JSONSchema
    url: json-schema/track-exercise-schema.json
  - type: JSONSchema
    url: json-schema/track-food-schema.json
  - type: JSONSchema
    url: json-schema/track-foods-response-schema.json
  - type: JSONSchema
    url: json-schema/track-full-nutrient-schema.json
  - type: JSONSchema
    url: json-schema/track-instant-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-response-schema.json
  - type: JSONSchema
    url: json-schema/track-photo-schema.json
  - type: JSONStructure
    url: json-structure/track-alt-measure-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-structure.json
  - type: JSONStructure
    url: json-structure/track-branded-food-structure.json
  - type: JSONStructure
    url: json-structure/track-common-food-structure.json
  - type: JSONStructure
    url: json-structure/track-exercise-structure.json
  - type: JSONStructure
    url: json-structure/track-food-structure.json
  - type: JSONStructure
    url: json-structure/track-foods-response-structure.json
  - type: JSONStructure
    url: json-structure/track-full-nutrient-structure.json
  - type: JSONStructure
    url: json-structure/track-instant-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-response-structure.json
  - type: JSONStructure
    url: json-structure/track-photo-structure.json
  - type: Examples
    url: examples/track-alt-measure-example.json
  - type: Examples
    url: examples/track-brand-example.json
  - type: Examples
    url: examples/track-brand-search-response-example.json
  - type: Examples
    url: examples/track-branded-food-example.json
  - type: Examples
    url: examples/track-common-food-example.json
  - type: Examples
    url: examples/track-exercise-example.json
  - type: Examples
    url: examples/track-food-example.json
  - type: Examples
    url: examples/track-foods-response-example.json
  - type: Examples
    url: examples/track-full-nutrient-example.json
  - type: Examples
    url: examples/track-instant-search-response-example.json
  - type: Examples
    url: examples/track-natural-exercise-request-example.json
  - type: Examples
    url: examples/track-natural-exercise-response-example.json
  - type: Examples
    url: examples/track-natural-nutrients-request-example.json
  - type: Examples
    url: examples/track-natural-nutrients-response-example.json
  - type: Examples
    url: examples/track-photo-example.json
- aid: nutritionix:nutritionix-search-api
  name: Nutritionix Search API
  description: Search the nutrition database for common and branded foods.
  humanURL: https://developer.nutritionix.com/docs/v2
  baseURL: https://trackapi.nutritionix.com/v2
  tags:
  - Search
  properties:
  - type: OpenAPI
    url: openapi/nutritionix-search-api-openapi.yml
  - type: Documentation
    url: https://developer.nutritionix.com/docs/v2
  - type: APIReference
    url: https://docx.syndigo.com/developers/docs/nutritionix-api-guide
  - type: Authentication
    url: https://docx.syndigo.com/developers/docs/authentication
  - type: SDKs
    url: https://github.com/nutritionix/nodejs-client-library
  - type: SDKs
    url: https://github.com/nutritionix/library-python
  - type: SDKs
    url: https://github.com/nutritionix/api-library-php
  - type: SDKs
    url: https://github.com/nutritionix/api-library-ror
  - type: SDKs
    url: https://github.com/nutritionix/track-api-angular-client
  - type: JSONSchema
    url: json-schema/track-alt-measure-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-schema.json
  - type: JSONSchema
    url: json-schema/track-brand-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-branded-food-schema.json
  - type: JSONSchema
    url: json-schema/track-common-food-schema.json
  - type: JSONSchema
    url: json-schema/track-exercise-schema.json
  - type: JSONSchema
    url: json-schema/track-food-schema.json
  - type: JSONSchema
    url: json-schema/track-foods-response-schema.json
  - type: JSONSchema
    url: json-schema/track-full-nutrient-schema.json
  - type: JSONSchema
    url: json-schema/track-instant-search-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-exercise-response-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-request-schema.json
  - type: JSONSchema
    url: json-schema/track-natural-nutrients-response-schema.json
  - type: JSONSchema
    url: json-schema/track-photo-schema.json
  - type: JSONStructure
    url: json-structure/track-alt-measure-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-brand-structure.json
  - type: JSONStructure
    url: json-structure/track-branded-food-structure.json
  - type: JSONStructure
    url: json-structure/track-common-food-structure.json
  - type: JSONStructure
    url: json-structure/track-exercise-structure.json
  - type: JSONStructure
    url: json-structure/track-food-structure.json
  - type: JSONStructure
    url: json-structure/track-foods-response-structure.json
  - type: JSONStructure
    url: json-structure/track-full-nutrient-structure.json
  - type: JSONStructure
    url: json-structure/track-instant-search-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-exercise-response-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-request-structure.json
  - type: JSONStructure
    url: json-structure/track-natural-nutrients-response-structure.json
  - type: JSONStructure
    url: json-structure/track-photo-structure.json
  - type: Examples
    url: examples/track-alt-measure-example.json
  - type: Examples
    url: examples/track-brand-example.json
  - type: Examples
    url: examples/track-brand-search-response-example.json
  - type: Examples
    url: examples/track-branded-food-example.json
  - type: Examples
    url: examples/track-common-food-example.json
  - type: Examples
    url: examples/track-exercise-example.json
  - type: Examples
    url: examples/track-food-example.json
  - type: Examples
    url: examples/track-foods-response-example.json
  - type: Examples
    url: examples/track-full-nutrient-example.json
  - type: Examples
    url: examples/track-instant-search-response-example.json
  - type: Examples
    url: examples/track-natural-exercise-request-example.json
  - type: Examples
    url: examples/track-natural-exercise-response-example.json
  - type: Examples
    url: examples/track-natural-nutrients-request-example.json
  - type: Examples
    url: examples/track-natural-nutrients-response-example.json
  - type: Examples
    url: examples/track-photo-example.json
common:
- type: AgenticAccess
  url: agentic-access/nutritionix-agentic-access.yml
- type: DomainSecurity
  url: security/nutritionix-domain-security.yml
- type: Authentication
  url: authentication/nutritionix-authentication.yml
- type: Website
  url: https://www.nutritionix.com/
- type: DeveloperPortal
  url: https://developer.nutritionix.com/
- type: Documentation
  url: https://developer.nutritionix.com/docs/v2
- type: Signup
  url: https://developer.nutritionix.com/signup
- type: Pricing
  url: https://www.nutritionix.com/api
- type: GitHubOrganization
  url: https://github.com/nutritionix
- type: GitHubRepository
  title: API Documentation
  url: https://github.com/nutritionix/api-documentation
- type: SDKs
  title: Node.js Client Library (npm)
  url: https://www.npmjs.com/package/nutritionix
- type: Tools
  title: Nutrition Label Component
  url: https://github.com/nutritionix/nutrition-label
- type: Tools
  title: Vue Nutrition Label Component
  url: https://github.com/nutritionix/vue-nutrition-label
- type: Tools
  title: API Data Utilities
  url: https://github.com/nutritionix/nutritionix-api-data-utilities
- type: PublicAPIsListing
  url: https://github.com/public-apis/public-apis
- type: SpectralRules
  url: https://raw.githubusercontent.com/api-evangelist/nutritionix/main/rules/nutritionix-rules.yml
- type: Vocabulary
  url: https://raw.githubusercontent.com/api-evangelist/nutritionix/main/vocabulary/nutritionix-vocabulary.yml
- type: JSONLD
  url: https://raw.githubusercontent.com/api-evangelist/nutritionix/main/json-ld/nutritionix-track-context.jsonld
- type: Plans
  url: plans/nutritionix-plans-pricing.yml
- type: RateLimits
  url: rate-limits/nutritionix-rate-limits.yml
- type: FinOps
  url: finops/nutritionix-finops.yml
- type: Features
  data:
  - name: Natural Language Nutrition
    description: Convert free-text meal descriptions into full nutrient breakdowns including calories, macros, and micronutrients.
  - name: Natural Language Exercise
    description: Convert free-text activity descriptions into calorie-burn estimates personalized by gender, weight, height,
      and age.
  - name: Instant Food Search
    description: Typeahead search returning matched common foods and branded foods for autocomplete experiences.
  - name: Branded & Restaurant Item Lookup
    description: Retrieve detailed nutrition for branded grocery and restaurant menu items by nix_item_id or UPC.
  - name: Verified Nutrition Database
    description: Access the world's largest verified nutrition database, including USDA NDB-linked common foods and over a
      million branded items.
- type: UseCases
  data:
  - name: Diet & Calorie Tracking
    description: Power food logging and calorie-counting apps with natural-language meal entry.
  - name: Fitness & Activity Tracking
    description: Estimate calories burned from logged workouts and activities.
  - name: Restaurant Menu Nutrition
    description: Surface accurate nutrition facts for restaurant and chain menu items.
  - name: Nutrition Label Rendering
    description: Generate FDA-style nutrition labels from API nutrient data.
- type: Integrations
  data:
  - name: USDA NDB
    description: Common-food results are linked to USDA National Nutrient Database (NDB) numbers and nutrient attribute IDs.
  - name: Syndigo / Riversand
    description: Nutritionix is part of Syndigo; developer documentation is hosted on the Syndigo docs platform.
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com