United States Department of Agriculture

United States Department of Agriculture Nutrients API

Nutrient data and lists

Documentation GitHub OpenAPI

Operations 1

GET /nutrients Get All Nutrients #

Work with this as data

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/united-states-department-of-agriculture-nutrients-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: USDA FoodData Central Nutrients API
  description: The FoodData Central API provides REST access to FoodData Central (FDC), the USDA's integrated data system providing expanded nutrient profile data linked to agricultural and experimental research. Covers Foundation Foods, SR Legacy, FNDDS, Branded Foods, and Experimental Foods. An API key from api.data.gov is required.
  version: 1.0.0
  contact:
    name: USDA FoodData Central
    url: https://fdc.nal.usda.gov/
    email: FSISWebmaster@usda.gov
  license:
    name: Public Domain
    url: https://www.usa.gov/government-works
servers:
- url: https://api.nal.usda.gov/fdc/v1
  description: USDA FoodData Central API
tags:
- name: Nutrients
  description: Nutrient data and lists
paths:
  /nutrients:
    get:
      operationId: getNutrients
      summary: Get All Nutrients
      description: Retrieve a list of all nutrients available in FoodData Central with their IDs, names, units, and categories.
      tags:
      - Nutrients
      parameters:
      - name: api_key
        in: query
        description: API key from api.data.gov
        required: true
        schema:
          type: string
        example: DEMO_KEY
      responses:
        '200':
          description: List of all available nutrients
          content:
            application/json:
              schema:
                type: array
                items:
                  $ref: '#/components/schemas/Nutrient'
components:
  schemas:
    Nutrient:
      type: object
      description: A nutrient tracked in FoodData Central
      properties:
        id:
          type: integer
          description: Unique nutrient identifier
        number:
          type: string
          description: USDA nutrient number
        name:
          type: string
          description: Nutrient name
        rank:
          type: integer
          description: Display rank
        unitName:
          type: string
          description: Unit of measure
  securitySchemes:
    ApiKeyAuth:
      type: apiKey
      in: query
      name: api_key
      description: API key from https://api.data.gov/signup/