# NYISO Finance Settlements API

**Canonical:** https://apis.io/apis/nyiso/nyiso-finance-settlements-api/  
**Provider:** New York Independent System Operator (NYISO) — https://apis.io/providers/nyiso/  
**Base URL:** https://api.nyiso.com/finance/settlements  
**Documentation:** https://www.nyiso.com/documents/20142/45334160/NYISO%20Finance%20APIs%20User's%20Guide%20v1.2%20-%20DRAFT.pdf/4f0de58a-783d-a317-64fe-caed77ba61fa

NYISO Finance Settlements API is one of 6 APIs that [New York Independent System Operator (NYISO)](https://apis.io/providers/nyiso/) publishes on the [APIs.io](https://apis.io/) network. Tagged areas include Settlement, Electricity, and Market Participants. The published artifact set on APIs.io includes API documentation and an API reference.

The Settlements component of NYISO's Finance APIs. The published guide documents GET /v1/stationPower, retrieving station power settlement data by billing month with an optional version parameter, as JSON over HTTPS 1.1 with TLS 1.2. Restricted to NYISO market participants under the same two-factor scheme as the rest of the Finance APIs - MIS user account and password via HTTP Basic plus the associated NAESB certificate on every request. The root and the stationPower endpoint both returned 401 Authorization Required to anonymous probes on 2026-07-27.

## Machine-readable artifacts (4)

- **Documentation** — https://www.nyiso.com/documents/20142/45334160/NYISO%20Finance%20APIs%20User's%20Guide%20v1.2%20-%20DRAFT.pdf/4f0de58a-783d-a317-64fe-caed77ba61fa
- **Documentation** — https://www.nyiso.com/billings-and-settlements
- **APIReference** — https://www.nyiso.com/documents/20142/45334160/NYISO%20Finance%20APIs%20User's%20Guide%20v1.2%20-%20DRAFT.pdf/4f0de58a-783d-a317-64fe-caed77ba61fa
- **Sandbox** — https://raw.githubusercontent.com/api-evangelist/nyiso/refs/heads/main/sandbox/nyiso-sandbox.yml

## Other New York Independent System Operator (NYISO) APIs (5)

- [NYISO MIS Public Data Archive](https://apis.io/apis/nyiso/nyiso-mis-public-data/)
- [NYISO OASIS Postings](https://apis.io/apis/nyiso/nyiso-oasis-postings/)
- [NYISO Finance Metering API](https://apis.io/apis/nyiso/nyiso-finance-metering-api/)
- [NYISO Finance Invoicing API](https://apis.io/apis/nyiso/nyiso-finance-invoicing-api/)
- [NYISO Metering API](https://apis.io/apis/nyiso/nyiso-metering-api/)

## Tags

Settlement, Electricity, Market Participants

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