# Ameren Share My Usage API

**Canonical:** https://apis.io/apis/ameren/share-my-usage-api/  
**Provider:** Ameren — https://apis.io/providers/ameren/  
**Base URL:** https://api.ameren.com  
**Documentation:** https://www.ameren.com/partners/account-and-data/share-my-usage

Ameren Share My Usage API is one of 2 APIs that [Ameren](https://apis.io/providers/ameren/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Green Button, Energy Data, ESPI, Smart Meter, and Data Sharing. The published artifact set on APIs.io includes API documentation and authentication docs.

The Ameren Illinois Share My Usage API implements the Green Button Connect My Data program, providing authorized third parties access to up to 24 months of historical electric energy usage data for residential and small commercial customers via the ESPI (Energy Services Provider Interface) standard. Authentication uses OAuth with customer authorization via Ameren Illinois online accounts. Operated by data custodian Aclara.

## Machine-readable artifacts (3)

- **Documentation** — https://www.ameren.com/partners/account-and-data/share-my-usage
- **Authentication** — https://www.ameren.com/partners/account-and-data/share-my-usage
- **APIsJSON** — https://raw.githubusercontent.com/api-evangelist/ameren/refs/heads/main/apis.yml

## Other Ameren APIs (1)

- [Ameren Renewables Portal API](https://apis.io/apis/ameren/renewables-portal-api/)

## Tags

Green Button, Energy Data, ESPI, Smart Meter, Data Sharing

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Profiled by [API Evangelist](https://apievangelist.com) and published on [APIs.io](https://apis.io/apis/ameren/share-my-usage-api/). The API's provider profile, Kin Score and agent-readiness rating are at https://apis.io/providers/ameren/.