AllergieShield API - The Allergy Data Infrastructure Layer

The Allergy Data Infrastructure Layer

One API. 600k+ Products. Research-grade allergen data.

Built by a dad who needed better tools to protect his son with severe allergies. Now helping developers worldwide build life-saving applications.

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100 free calls/month

All Systems Operational

GET /api/products/barcode/5000112609653

{
  "productName": "Cadbury Dairy Milk",
  "barcode": "5000112609653",
  "allergens": ["milk"],
  "ingredients": "Milk, sugar, cocoa butter...",
  "detailedAnalysis": {
    "detectedAllergens": ["milk"],
    "hiddenIngredients": [
      {
        "ingredient": "whey powder",
        "containsAllergen": "milk",
        "alwaysPresent": true
      }
    ]
  }
}

Why Developers Choose AllergieShield

We do the hard work of data aggregation so you can focus on building

Multi-Source Aggregation

We aggregate Open Food Facts (600k+ UK products), FSA databases, restaurant menus, and academic research so you don't have to.

7 data sources unified

Research-Grade Accuracy

InformAll database integration, PubMed citations, cross-reactivity data from peer-reviewed sources.

1,200+ allergenic foods catalogued

Developer-First Design

RESTful endpoints, JSON responses, comprehensive docs, and predictable rate limits. Built for production.

99.9% uptime target

Quick Start

Get started in minutes with your favorite language

curl -X GET \
  "https://www.api.allergieshield.com/api/products/barcode/5000112609653" \
  -H "X-API-Key: as_your_api_key_here"

Get your free API key →

Core Endpoints

Everything you need to build powerful allergy-aware applications

Product Barcode Lookup

GET /api/products/barcode/{"{code}"}

Instant allergen info from 600k+ UK products via Open Food Facts integration

View docs

Ingredient Analysis

POST /api/ingredients/analyze

AI-powered hidden allergen detection with scientific references

View docs

Restaurant Menus

GET /api/restaurants/{"{slug}"}/menu

Filter restaurant menus by allergen for safe dining experiences

View docs

Cross-Reactivity

GET /api/allergens/cross-reactivity/{"{allergen}"}

Clinical cross-reaction data from research sources

View docs

Substitutions

GET /api/substitutions/{"{ingredient}"}

Recipe modification suggestions for allergen-free alternatives

View docs

Research Search

GET /api/research/search

PubMed allergy research integration with citations

View docs

Transparent Pricing

Start free. Scale as you grow. No hidden fees.

Free

£0

/month

100 calls/month

All endpoints

Community support

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Popular

Developer

£49

/month

5,000 calls/month

All endpoints

Email support

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Professional

£199

/month

50,000 calls/month

All endpoints

Priority support

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Enterprise

Custom

pricing

Unlimited calls

Custom SLAs

Dedicated support

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All paid plans include a 14-day free trial. No credit card required to get started.

Built by a Dad

"My son has severe allergies. I built this because the tools out there weren't good enough. Started as a personal tool to keep him safe, now helping developers worldwide build applications that protect families like mine."

— Ash Peterson

Backend Developer & Founder

7

Data Sources Integrated

600k+

UK Products

1,200+

Allergenic Foods

14

Allergen Categories

FSA Data Compliant

GDPR Compliant

UK-Based

Built For

Developers building the next generation of allergy-aware applications

Food Allergy Apps

Build consumer apps for allergen tracking, product scanning, and safe food discovery. Perfect for health tech startups and allergy management platforms.

"Health tech startups, allergy management platforms"

E-commerce Integration

Add allergen filters to grocery platforms, meal kit services, and recipe sites. Help customers shop safely with confidence.

"Online supermarkets, meal kits, recipe platforms"

Healthcare Tools

Power dietitian platforms, medical professional dashboards, and patient education tools with trusted allergen data.

"Telehealth platforms, nutrition consultancies"

Ready to Build with AllergieShield?

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