Skip to content
Calorie API logoCalorie APIGet API key
Healthy plant-based meals representing nutrition and food data for the Calorie API

Documentation

Calorie API reference

Search, retrieve, and analyze nutritional information with our REST API over HTTPS.

4M+ foods
Real-time data
Easy integration
Create Account Open API playground

Base URL: https://calorieapiadmin.com/api/v1

API key auth
REST + JSON
Food database

Quick start

Get started in minutes with our comprehensive food database API. Create an account, choose a plan, get your API key, and start making requests.

Open API playground

Getting Started

1

Create Your Account

Sign up for a free account to access the Food API. No credit card required for the free tier.

Create Account
2

Choose Your Plan

Start on the free plan and upgrade as your request volume grows. Paid plans raise per-minute rate limits and monthly quotas. See rate limits & quotas for how limits work.

View All Plans
3

Get Your API Key

After subscribing to a plan, generate your API key from the dashboard. This key authenticates your requests. See authentication for security best practices.

Your API Key
sk_live_1234567890abcdef
Go to Dashboard
4

Make Your First Request

Test your API key with a simple search request. Replace the API key with your actual key.

Search for "apple"
curl "https://calorieapiadmin.com/api/v1/search/foods?q=apple" \
  -H "X-API-Key: your_api_key_here"

Integration Guides

Framework-specific walkthroughs with working code for common nutrition features.

React Native

Build a Food Tracking App with React Native

Food logging in React Native: suggest, details, and barcode scanning.

Next.js

Build a Nutrition App with Next.js

App Router route handlers, caching, and server components for food data.

Flutter

Barcode Nutrition Scanning in Flutter

Scan UPC/EAN codes in Flutter and resolve them to nutrition data.

Node.js

Food Search with Node.js

A quota-friendly Node.js client with caching and 429-aware retries.

Python

Working with Nutrition Data in Python

Requests-based client with retries, plus pandas macro analysis.

Developer documentation for nutrition & food APIs

This reference covers how to authenticate with API keys, search foods with multi-word queries and verified filters, run autocomplete suggest, and resolve products by UPC barcode. All responses are JSON over HTTPS with predictable pagination and error formats.

Start with a free account to generate keys in the dashboard, or try the public demo on the homepage before you integrate. Read our developer blog for calorie API guides, or see pricing and monitor usage in your developer dashboard.