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Environment

Nordic and Baltic day-ahead electricity prices, 15-minute and hourly, with VAT, for 15 price areas.

Spotwatts API is a free Environment API that requires no API key, is served over HTTPS and supports CORS, so it can be called from the browser.

Authentication
None required
HTTPS
Yes
CORS
Yes
Category
Environment
Uptime (30 days)
Up

Online · 2214 msTested Nov 15, 2026 · checked dailyIs it down? Status & uptime

About Spotwatts

Free JSON API of day-ahead electricity prices for all 15 Nordic and Baltic price areas: 15-minute and hourly, with and without VAT. No API key.

Provider
Spotwatts
Website
spotwatts.com ↗

Details from spotwatts.com.

Key facts

  • No API key needed
  • Callable from the browser (CORS)
  • HTTPS
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Spotwatts API FAQ

Who provides the Spotwatts API?

The Spotwatts API is provided by Spotwatts (spotwatts.com). Free JSON API of day-ahead electricity prices for all 15 Nordic and Baltic price areas: 15-minute and hourly, with and without VAT. No API key.

Is the Spotwatts API free?

Yes. The Spotwatts API is listed in the Environment category of the public-apis directory, which only includes APIs that are free or have a free tier. Check its documentation for rate limits and paid plans.

Does the Spotwatts API require an API key?

No. The Spotwatts API requires no authentication, so you can start making requests without signing up.

Can I call the Spotwatts API from the browser?

Yes. The Spotwatts API supports CORS, so front-end JavaScript can call it directly.

Does the Spotwatts API support HTTPS?

Yes. The Spotwatts API is served over HTTPS, so it's safe to use in production.

Maintain the Spotwatts API? Add a badge

Show that Spotwatts is listed on Public APIs. The badge displays its developer rating once it has one.

Spotwatts on Public APIs

Markdown

[![Spotwatts on Public APIs](https://publicapis.lol/badge/spotwatts.svg)](https://publicapis.lol/apis/spotwatts)

HTML

<a href="https://publicapis.lol/apis/spotwatts"><img src="https://publicapis.lol/badge/spotwatts.svg" alt="Spotwatts on Public APIs" height="20"></a>