Guides & insights
Resources
In-depth guides and insights on building with structured beauty-product information and beauty tech.
How to Build a Beauty Product Barcode Scanner (and Design for Misses)
A practical guide to barcode lookup for beauty apps: how GTINs actually work, how to resolve a scanned code to a full product record with The Beauty API, and how to design your app for the scans that find nothing.
How to Test The Beauty API in Postman
Import our ready-made Postman collection, paste your API key into one variable, and send every endpoint of The Beauty API, including a folder of requests that are meant to fail so you can see what a 400, 403 and 404 look like.
Which The Beauty API License Do You Need?
The Beauty API comes as a hosted REST API you query, or as the Complete Archive you download and keep. Here is the difference in plain terms, what each license lets you do with the data and images, and how to pick the right one for your project.
How to Use The Beauty API to Build a Skincare Recommender App
A step-by-step guide to building a skincare recommender app with The Beauty API: search a product, pull its normalized ingredient list, score it against a skin profile, and recommend safer alternatives. Node.js examples included.
Open Beauty Facts API vs The Beauty API: 2026 Comparison
Open Beauty Facts API vs The Beauty API: what each returns, what it costs, what the ODbL licence allows, and which one fits a skincare app, ingredient checker or cosmetics storefront.
What Are the Best Comprehensive Beauty Products Datasets for Apps?
Looking for a comprehensive beauty products dataset for your app? From open-source repositories to enterprise platforms like NielsenIQ and developer-focused solutions like The Beauty API, here is the complete breakdown of commercial data options.
How to Build a Profitable Skincare App (And Why the Data Matters)
Skincare apps are insanely profitable if you get the data right. With bootstrapped apps like Yuka hitting $1M MRR, here is why buying clean data is the ultimate cheat code for indie developers.
How to Build a Skincare Routine Algorithm in Node.js
A practical guide to implementing skincare routine logic in Node.js. We walk through ingredient-matching patterns, common data-quality pitfalls, and what a normalized dataset looks like in practice.