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WattFigure API

No authHTTPSCORSEnvironment
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Overview

US electricity rates by state, with appliance and EV charging running costs

WattFigure is an environment API. It needs no API key. It is served over HTTPS and allows browser requests (CORS).

At a glance

Authentication
No auth
HTTPS
Yes
CORS
Yes
Category
Environment

Questions

Does the WattFigure API need an API key?

No. The WattFigure API can be called without an API key or sign-up, which makes it handy for prototypes and front-end demos.

Can I call the WattFigure API from the browser?

Yes. The WattFigure API sends CORS headers, so a web page can call it directly with fetch().

Does the WattFigure API support HTTPS?

Yes, the WattFigure API is served over HTTPS.

What are alternatives to the WattFigure API?

Other Environment APIs include PVGIS, Open-Meteo, IQAir, Website Carbon, BreezoMeter Pollen.

Compare alternatives →

Listed from public-apis (MIT).