Amber Electric Public API
Amber Electric's own documented REST API, described by a verbatim OpenAPI 3.0.0 contract the company publishes in its public GitHub repository. Five read-only operations: list the sites on your account, fetch actual, current and forecast half-hourly prices for a site, fetch usage for a site, and read the current renewables percentage for a National Electricity Market state. Authentication is HTTP bearer (declared in the spec as the `apiKey` security scheme, type http / scheme bearer) and the token is generated from the Developers tab inside the logged-in Amber customer app, so four of the five operations require an active Amber account. The renewables operation carries an explicit `security: []` override and was confirmed to return 200 anonymously on 2026-07-27.