What license applies?
To the extent Daily Life Hacks owns copyright or database rights in the selection, arrangement, calculations, field descriptions, and explanatory material in the Daily Life Hacks Food Value Data, those contributions are licensed under Creative Commons Attribution 4.0 International (CC BY 4.0).
CC BY 4.0 lets you share and adapt that material for any purpose, including commercial use, as long as you give appropriate credit, link to the license, and indicate whether you made changes. Don't imply that Daily Life Hacks endorses your project.
What isn't covered by our license?
We can license our work. We can't relicense somebody else's. USDA FoodData Central and Bureau of Labor Statistics material is identified as source material and remains subject to its own status and terms. FoodData Central states that its data is public domain and published under CC0 1.0. BLS states that its published material is generally public domain, apart from identified third-party photographs and illustrations.
Retailer names, product names, trademarks, chain nutrition material, and any other third-party content remain the property of their respective owners. The license also doesn't promise that facts, prices, or individual numbers are protected by copyright in your jurisdiction. It grants the rights Daily Life Hacks has, no more and no less.
Copy-ready attribution
For a chart, article, app, or notebook, this does the job:
Data and calculations: Daily Life Hacks, [study title and URL], licensed CC BY 4.0. Changes: [describe changes or "none"].If you're using several studies, link to the catalog instead:
Data and calculations: Daily Life Hacks Food Value Data, https://www.daily-life-hacks.com/data/, licensed CC BY 4.0. Changes: [describe changes or "none"].Please also keep the USDA, BLS, retailer, or restaurant source credit that travels with the rows you use. Removing the source and keeping the surprising number is how a useful chart turns into internet confetti.
Machine-readable files
- datapackage.json includes the package license, sources, field schemas, row counts, and file checksums.
- openapi.json documents the JSON API and its license metadata.
- API documentation has response examples and the attribution fields returned with every request.
- Methodology explains how the calculations were built and where the inputs came from.
No warranty
The datasets are provided as-is, without warranties. Grocery prices change, product listings disappear, and mistakes can survive a spreadsheet longer than anyone would like. Check the data version and observation date before publishing, and send corrections through the contact page.