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• Comment: Draft only containts primary sources. To meet wikipedia's notability criteria the subject must be shown to have received significant coverage in multiple independent reliable sources.
  Also the article seems to be promotional, please review our guidelines on conflicts of interest. Giulio 22:18, 20 July 2026 (UTC)

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DietlyAPI is a Web API that provides food-composition and nutrition data to software applications over HTTP using JSON. It offers food search, barcode and product lookup, and structured per-serving and per-100-gram nutrient data. The service is aimed at developers building diet- and calorie-tracking applications, meal planners, and large language model assistants that answer food-related questions.

DietlyAPI exposes a REST interface for querying a consolidated food database. Its principal operations are fuzzy text search for foods, resolution of a Global Trade Item Number (GTIN/UPC/EAN) barcode to a product, and retrieval of nutrient breakdowns. The service combines two underlying open data sources: the crowdsourced Open Food Facts database of packaged products, distributed under the Open Database License, and the United States Department of Agriculture (USDA) FoodData Central reference dataset, which is in the public domain. Because part of the underlying data originates from Open Food Facts, use of that portion is subject to the database's share-alike and attribution terms.

The API distinguishes itself primarily on request throughput and pricing structure rather than on breadth of features; as of 2026 it did not offer recipe analysis, natural-language meal parsing, or image recognition, which are provided by some competing services.

DietlyAPI was created by Jelte Ludeke and launched in 2026. It originated from a project to build a fast, search-oriented interface over open food databases. The service was subsequently expanded to merge USDA FoodData Central records with its Open Food Facts–derived catalog.

• Food search — free-text lookup with fuzzy matching and typo tolerance.
• Barcode lookup — resolution of GTIN/UPC/EAN barcodes to individual products.
• Nutrient data — energy, macronutrients, and micronutrients expressed per 100 grams or per serving.
• Stable identifiers — persistent IDs for foods and products.
• Machine access — documentation and, for assistant integrations, a Model Context Protocol server.

DietlyAPI provides a rate-limited free tier for non-commercial use and paid subscription plans for higher throughput. Unlike providers that meter a fixed monthly or daily quota of calls, its paid plans apply a per-minute rate ceiling without a separate monthly call cap. As of 2026 the published plans were a "Pro" tier at €27 per month (500 requests per minute) and a "Scale" tier at €92 per month (3,000 requests per minute).

• Open Food Facts
• USDA National Nutrient Database
• Food composition data
• Nutrition facts label
• Application programming interface

• DietlyAPI documentation — https://www.getdietly.com/api

• Official website

Category:Application programming interfaces Category:Nutrition Category:Web services Category:2026 software