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kanari API alternatives

Real-time worldwide wildfire detections, water bomber tracking and open fire archive. If it doesn't fit your project, here are the 10 best free Environment APIs to use instead in 2026, out of 29 in the directory.

For reference, kanari API: No API key needed · Callable from the browser (CORS) · HTTPS.

  1. 1Open-Meteo logo

    Open-Meteo API

    Online · 609 ms

    Free weather API for non-commercial use.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  2. 2Sähkön hinta nyt logo

    Sähkön hinta nyt API

    Online · 1106 ms

    Finnish and Nordic day-ahead electricity spot prices (15-minute), cheapest hours.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  3. 3

    WattFigure API

    Online · 712 ms

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

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  4. 4GridVigil logo

    GridVigil API

    Online · 1588 ms

    Pressure scores, demand, generation mix and alerts for the 10 major U.S. power grids.

    • No API key needed
    • Callable from the browser (CORS)
    • HTTPS
    No authHTTPSCORS
  5. 5Danish data service Energi logo

    Open energy data from Energinet to society.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?
  6. 6UK Carbon Intensity logo

    UK Carbon Intensity API

    Online · 869 ms

    The Official Carbon Intensity API for Great Britain developed by National Grid.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?
  7. 7PM2.5 Open Data Portal logo

    Open low-cost PM2.5 sensor data.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?
  8. 8Solematica logo

    Solematica API

    Online · 719 ms

    Compare Italian solar (photovoltaic) installer offers, energy prices (PUN/ARERA) and satellite roof data.

    • No API key needed
    • HTTPS
    No authHTTPSNo CORS
  9. 9

    Website Carbon API

    Online · 684 ms

    API to estimate the carbon footprint of loading web pages.

    • No API key needed
    • HTTPS
    No authHTTPSCORS ?
  10. 10Carbon Interface logo

    Carbon Interface API

    Online · 873 ms

    API to calculate carbon (C02) emissions estimates for common C02 emitting activities.

    • Callable from the browser (CORS)
    • HTTPS
    apiKeyHTTPSCORS

kanari API vs alternatives

kanari API compared with its alternatives
APIAPI keyHTTPSCORSUptimeResponseRating
kanari logokanariNoYesYesUp527 msNot rated
Open-Meteo logoOpen-MeteoNoYesYesUp609 msNot rated
Sähkön hinta nyt logoSähkön hinta nytNoYesYesUp1106 msNot rated
WattFigureNoYesYesUp712 msNot rated
GridVigil logoGridVigilNoYesYesUp1588 msNot rated
Danish data service Energi logoDanish data service EnergiNoYesUnknownUp867 msNot rated
UK Carbon Intensity logoUK Carbon IntensityNoYesUnknownUp869 msNot rated
PM2.5 Open Data Portal logoPM2.5 Open Data PortalNoYesUnknownUp1110 msNot rated
Solematica logoSolematicaNoYesNoUp719 msNot rated

Head-to-head comparisons

See also: best Environment APIs · all Environment APIs

kanari API alternatives FAQ

What is the best free alternative to the kanari API in 2026?

The top-ranked free alternatives to the kanari API are Open-Meteo API, Sähkön hinta nyt API and WattFigure API, all in the Environment category. Rankings combine access (API key, HTTPS, CORS), daily uptime checks and developer ratings.

How many Environment APIs are similar to the kanari API?

The directory lists 29 other free Environment APIs. This page compares the top ones side by side.