API archive entry · source-reported

Calendrier Tempo

French EDF Tempo tariff: today's and tomorrow's colour, kWh prices and 15-day colour forecasts

Provider / source website

Other Environment 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.

SpotWave

Day-ahead electricity prices for 40+ European market zones, incl. taxes and VAT

No auth · HTTPS reported · CORS Yes

Sähkön hinta nyt

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

No auth · HTTPS reported · CORS Yes

GridVigil

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

No auth · HTTPS reported · CORS Yes

Open-Meteo

Free weather API for non-commercial use

No auth · HTTPS reported · CORS Yes

DC Hub

Live data on data-center facilities, power markets, grid telemetry, and fiber infrastructure

No auth · HTTPS reported · CORS Yes

Open-Meteo Marine

Ocean wave height, swell, sea temperature and marine weather data

No auth · HTTPS reported · CORS Yes

How to compare them

Coverage

Compare exact endpoints, fields, geography, history, and update frequency.

Operating cost

Model request volume, caching, overages, support, and migration cost.

Integration risk

Test auth, errors, pagination, latency, versioning, and outage behavior.

Data rights

Review attribution, redistribution, retention, privacy, and commercial-use terms.

Open the comparison workspace

Source reference

public-apis/public-apis

This page separates source-reported facts from questions that need live provider verification.