API archive entry · source-reported
IPMA
Portuguese weather and climate data
Other Weather APIs
These records share a directory category and are ordered by similarity of reported access facts. They are a shortlist, not proof of drop-in compatibility.
NOAA CO-OPS
US coastal tides, water levels, currents and meteorological observations
No auth · HTTPS reported · CORS Unknown
DWD API
API of the German Weather Service (DWD): weather data, data from specific weather stations, warnings (local, coast, sea, alps)
No auth · HTTPS reported · CORS Unknown
AviationWeather
NOAA aviation weather forecasts and observations
No auth · HTTPS reported · CORS Unknown
Hong Kong Obervatory
Provide weather information, earthquake information, and climate data
No auth · HTTPS reported · CORS Unknown
RainViewer
Radar data collected from different websites across the Internet
No auth · HTTPS reported · CORS Unknown
Veabird
Beach (sargassum, waves, hurricanes) and ski snow forecasts for 1,900+ resorts, no key
No auth · HTTPS reported · CORS Yes
How to compare them
Coverage
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Operating cost
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Integration risk
Test auth, errors, pagination, latency, versioning, and outage behavior.
Data rights
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Source reference
This page separates source-reported facts from questions that need live provider verification.