National Grid ESO
Open data from Great Britain’s Electricity System Operator
Environment · No auth · HTTPS
Search the API archive · Page 62
Page 62 of 217
Ordered by reported HTTPS, CORS support, no-auth access, then changed/observed facts. Access signals are not a popularity or quality score.
National Vulnerability Database
U.S. National Vulnerability Database
Security · No auth · HTTPS
NBA Stats
Current and historical NBA Statistics
Sports & Fitness · No auth · HTTPS
Neotimo DGFiP Mirror
French DGFiP registry of certified e-invoicing platforms (Plateformes Agréées), searchable by SIRET
Government · No auth · HTTPS
Newton
Symbolic and Arithmetic Math Calculator
Science & Math · No auth · HTTPS
NHL Records and Stats
NHL historical data and statistics
Sports & Fitness · No auth · HTTPS
NHTSA
NHTSA Product Information Catalog and Vehicle Listing
Vehicle · No auth · HTTPS
Noctua
REST API used to access NoctuaSky features
Science & Math · No auth · HTTPS
Non-Working Days
Database of ICS files for non working days
Calendar · No auth · HTTPS
npm Registry
Query information about your favorite Node.js libraries programatically
Development · No auth · HTTPS
NPPES
National Plan & Provider Enumeration System, info on healthcare providers registered in US
Health · No auth · HTTPS
Ocean Facts
Facts pertaining to the physical science of Oceanography
Science & Math · No auth · HTTPS
OnWater
Determine if a lat/lon is on water or land
Geocoding · No auth · HTTPS
Onyx Bazaar
Free public leaderboard of x402 paid HTTP services indexed from Coinbase CDP discovery API
Open Data · No auth · HTTPS
Open Collective
Get Open Collective data
Social · No auth · HTTPS
Open Data Minneapolis
Spatial (GIS) and non-spatial city data for Minneapolis
Open Data · No auth · HTTPS
Open Data NHS Scotland
Medical reference data and statistics by Public Health Scotland
Health · No auth · HTTPS
Open Food Facts
Food Products Database
Food & Drink · No auth · HTTPS
Open Government, ACT
Australian Capital Territory Open Data
Government · No auth · HTTPS
Open Government, Argentina
Argentina Government Open Data
Government · No auth · HTTPS
Open Government, Australia
Australian Government Open Data
Government · No auth · HTTPS
Open Government, Austria
Austria Government Open Data
Government · No auth · HTTPS
Open Government, Belgium
Belgium Government Open Data
Government · No auth · HTTPS
Open Government, Cyprus
Cyprus Government Open Data
Government · No auth · HTTPS