PUBLICAPI / API directory

Environment
Know the limits. Build further.

Listings from all sources in this category. Source listings are not independent verification.

Categories (61)

30 APIs found

environment

AirNow

US EPA air quality data and forecasts

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

BreezoMeter Pollen

Daily Forecast pollen conditions data for a specific location

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

Carbon Interface

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

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

Climatiq

Calculate the environmental footprint created by a broad range of emission-generating activities

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

Cloverly

API calculates the impact of common carbon-intensive activities in real time

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

CO2 Offset

API calculates and validates the carbon footprint

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

Danish data service Energi

Open energy data from Energinet to society

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

EIA Open Data

US energy statistics: electricity, petroleum, gas

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

GridHub

Live wholesale electricity prices and demand across 25 grid zones

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

GridVigil

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

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

GrünstromIndex

Green Power Index for Germany (Grünstromindex/GSI)

noneunknownapi

HTTPS: no · CORS: yes

github-public-apis

Source listing · not independently checked

environment

IQAir

Air quality and weather data

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

kanari

Real-time worldwide wildfire detections, water bomber tracking and open fire archive

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

Luchtmeetnet

Predicted and actual air quality components for The Netherlands (RIVM)

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

Mycelium

Corporate carbon emissions disclosures (scope 1, 2 and 3), company-reported and estimated

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

National Grid ESO

Open data from Great Britain’s Electricity System Operator

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

weather · environment

Open-Meteo

Weather model output for a location with selectable variables.

nonefreemiumapi

HTTPS: yes · CORS: yes

profiles · github-public-apis

Source research

environment

OpenAQ

Open air quality data

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

PM2.5 Open Data Portal

Open low-cost PM2.5 sensor data

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

PM25.in

Air quality of China

api_keyunknownapi

HTTPS: no · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

PVGIS

EU solar radiation and photovoltaic performance estimates

noneunknownapi

HTTPS: yes · CORS: no

github-public-apis

Source listing · not independently checked

environment

PVWatts

Energy production photovoltaic (PV) energy systems

api_keyunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

Sähkön hinta nyt

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

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

sensor.community

Community air quality sensor network data worldwide

unknownunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

Solematica

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

noneunknownapi

HTTPS: yes · CORS: no

github-public-apis

Source listing · not independently checked

environment

Srp Energy

Hourly usage energy report for Srp customers

api_keyunknownapi

HTTPS: yes · CORS: no

github-public-apis

Source listing · not independently checked

environment

SustainMetrics

18,000+ GHG emission factors from DEFRA, EPA, ADEME, Ember

api_keyunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

UK Carbon Intensity

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

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

environment

WattFigure

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

noneunknownapi

HTTPS: yes · CORS: yes

github-public-apis

Source listing · not independently checked

environment

Website Carbon

API to estimate the carbon footprint of loading web pages

noneunknownapi

HTTPS: yes · CORS: unknown

github-public-apis

Source listing · not independently checked

From discovery to implementation

Build with understanding.

Practical API integration guides, separate from catalog listings.

All guides →

A guide for your situation

Your answers stay in this page until you explicitly submit them. Unsaved answers disappear on reload.

Saving is not configured. No answers or contact details are submitted or saved.

Which integration step helps you move forward?

30 short questions about APIs and connecting data. Selecting an answer moves to the next question. You can go back, change answers, or skip. This is a practical reading route, not a scientific test.

JavaScript is required for this guide.

Contact & corrections

Send a question or report a correction using this form.

Only after Send are your name, email, subject and message sent to the contact service to handle your message. This is not a newsletter signup. Unsent text disappears on reload. Privacy information

Preview: sending is not configured. This form does not send or save anything.

Your message — all fields are required