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Science
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Categories (61)
Verified Supplement Data
Verified Supplement Data (Health): Supplement dosing, form comparisons and drug-nutrient interactions with PubMed citations
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ZipCheckup
ZipCheckup (Environment): U.S. drinking water quality data by ZIP code from EPA and 20+ federal sources
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_SL2011 - OGC API Features _SL2011 - OGC API Features (EU Open Data · Germany)
European open dataset/API (Germany): The map service (WFS group) presents the digital spatial data from the field of nature conservation of the Saarland.:Natural spatial division of the Saarland (and adjacent areas) (2011) Hierarchically structured natural spatial division of the Saarland (natural spaces of first to fourth order).
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From discovery to implementation
Build with understanding.
Practical API integration guides, separate from catalog listings.
All guides →- GeoJSON to a map: valid numbers do not prove coordinate order →
- Read a damaged JSON sequence without pretending it is complete →
- JSON intake: reject ambiguous bytes before checking the resource schema →
- Read Problem Details without turning an error message into a decision rule →
- A relative API link is not text to append to a domain →
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