# Corrently IO

> Public developer and integrator documentation for Corrently/STROMDAO energy APIs, GrünstromIndex, market data, Energy Application Framework, and selected Cernion Energy Tools references.

Corrently IO is the public BookStack documentation surface for developer-facing STROMDAO/Corrently resources. Use the links below as canonical entry points. API keys, rate limits, commercial terms, and legal or tariff interpretations are not defined in this file; follow the linked public documentation and policy pages.

## Developer entry points

- [Corrently Energy APIs](https://corrently.io/books/corrently-energy-apis): canonical BookStack index for public Corrently energy API documentation.
- [Public Corrently APIs](https://corrently.io/books/corrently-energy-apis/page/offentliche-corrently-apis): overview of public API families and links to the technical console documentation.
- [Corrently APIs shelf](https://corrently.io/shelves/corrently-apis): thematic collection for API-related books and implementation resources.
- [Fair Use Policy](https://corrently.io/books/stromdao-gmbh/page/fair-use-policy): usage policy and rate-limit guidance for public API access.

## API reference pages

- [CO2 Advisor API](https://console.corrently.io/co2advisor.html): CO2-intensity forecast and load-shifting guidance by location.
- [CO2 Meter API](https://console.corrently.io/co2meter.html): CO2-emission tracking for energy use.
- [Energy Schedule API](https://console.corrently.io/schedule.html): schedule-oriented energy application support.
- [GrünstromIndex API](https://console.corrently.io/gsi.html): regional green-electricity forecast data.
- [Marketdata API](https://console.corrently.io/marketdata.html): electricity market data and forecasts.
- [PHEV Charge Or Fuel API](https://console.corrently.io/phevChargeOrFuel.html): decision support for plug-in hybrid charging versus fuel use.
- [Photovoltaic Generation Forecast API](https://console.corrently.io/pvgeneration.html): photovoltaic generation forecast data.
- [Strommix API](https://console.corrently.io/strommix.html): German electricity generation mix data.
- [Corrently Token API](https://console.corrently.io/token.html): Corrently API authentication token documentation.

## Domain-specific documentation

- [Marktdaten - Strompreis](https://corrently.io/books/marktdaten-strompreis): regional electricity price and market-data documentation.
- [Öffentlicher Service: Marktdaten API](https://corrently.io/books/marktdaten-strompreis/page/offentlicher-service): public marketdata endpoint explanation and example usage.
- [GrünstromIndex](https://corrently.io/books/grunstromindex): regional green-electricity forecast concept and documentation.
- [Energy Application Framework DE](https://corrently.io/books/energy-application-framework-de): German documentation for the STROMDAO Energy Application Framework.
- [Energy Application Framework source](https://github.com/energychain/STROMDAO_EAFs): public source repository for STROMDAO EAF examples.

## Cernion / Cernion Energy Tools references

- [Agentic Asset-MDM](https://corrently.io/books/agentic-asset-mdm-framework-fur-prozessautomatisierte-stammdaten-im-verteilnetz): public documentation for process-automated master-data management in distribution-grid contexts.
- [Das Cernion Cookbook](https://corrently.io/books/agentic-asset-mdm-framework-fur-prozessautomatisierte-stammdaten-im-verteilnetz/page/das-cernion-cookbook-best-practices-in-code): practical Cernion/CET recipes and public code-reference bridge.
- [Cernion Energy Tools source](https://github.com/energychain/cernion-energy-tools): public open-source repository for Cernion Energy Tools.
- [Cernion capabilities](https://cernion.de/capabilities): public Cernion capability overview.
- [Cernion timeline](https://cernion.de/timeline): public timeline and release context.
- [Cernion Public API Recipes PR #483](https://github.com/energychain/cernion-energy-tools/pull/483): public-safe recipe draft for OpenAI-compatible consultation, Copilot pending-confirmation intents, and customer-service portal-widget fixtures.
- [Cernion Public API Recipes docs](https://github.com/energychain/cernion-energy-tools/blob/main/docs/public-api-recipes.md): canonical documentation link after merge.
- [Cernion OpenAPI JSON](https://api.cernion.de/api/openapi.json): machine-readable API contract for developer and LLM discovery.
- [Cernion Swagger UI](https://api.cernion.de/api/docs): human-readable OpenAPI exploration surface.

## Organization and legal pages

- [STROMDAO GmbH](https://corrently.io/books/stromdao-gmbh): organization and service context.
- [STROMDAO Daten & APIs](https://stromdao.de/leistungen/daten-apis/): public STROMDAO overview for data and API services.
- [Impressum](https://www.stromdao.de/impressum): legal notice.
- [Datenschutz](https://www.stromdao.de/datenschutz): privacy information.

## Notes for agents and crawlers

- Prefer the BookStack page URLs above for human-readable context and the console URLs for endpoint-specific API reference.
- BookStack pages can expose export formats such as `/export/markdown`, `/export/plaintext`, and `/export/html` for selected public pages.
- Do not infer API credentials, pricing, rate limits, SLAs, legal advice, or tariff commitments from this file.