# APX Power Markets File Registry API

**Canonical:** https://apis.io/apis/xpansiv/xpansiv-apx-power-markets/  
**Provider:** Xpansiv — https://apis.io/providers/xpansiv/  
**Base URL:** https://pm-file-api.apx.com  
**Documentation:** https://developer.xpansiv.com/developer-portal/xpansiv-power/rest_api

APX Power Markets File Registry API is one of 8 APIs that [Xpansiv](https://apis.io/providers/xpansiv/) publishes on the [APIs.io](https://apis.io/) network, described by a machine-readable OpenAPI specification. Tagged areas include Energy, Power Markets, and Scheduling. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, an API reference, and authentication docs.

The APX MarketSuite file registry and reporting API used to submit and retrieve ISO scheduling files for CAISO, ERCOT, PJM, SPP, MISO, ISONE and NYISO, alongside the XML/XSD schedule schemas and REST report endpoints.

## Machine-readable artifacts (6)

- **OpenAPI** — https://raw.githubusercontent.com/api-evangelist/xpansiv/refs/heads/main/openapi/xpansiv-apx-power-markets-file-registry-openapi.yml
- **Documentation** — https://developer.xpansiv.com/developer-portal/xpansiv-power/rest_api
- **APIReference** — https://developer.xpansiv.com/developer-portal/xpansiv-power/rest_api/apiendpoints
- **Authentication** — https://developer.xpansiv.com/developer-portal/xpansiv-power/rest_api/authentication
- **Postman** — https://developer.xpansiv.com/developer-portal/xpansiv-power/rest_api/postman
- **Overlay** — https://raw.githubusercontent.com/api-evangelist/xpansiv/refs/heads/main/overlays/xpansiv-apx-power-markets-file-registry-overlay.yaml

## Other Xpansiv APIs (7)

- [Xpansiv Connect API](https://apis.io/apis/xpansiv/xpansiv-connect/)
- [Xpansiv Managed Solutions API](https://apis.io/apis/xpansiv/xpansiv-managed-solutions/)
- [Xpansiv Data API](https://apis.io/apis/xpansiv/xpansiv-data/)
- [NAR Registry Client API](https://apis.io/apis/xpansiv/xpansiv-nar-registry/)
- [TIGRS Registry Client API](https://apis.io/apis/xpansiv/xpansiv-tigr-registry/)
- [Xpansiv Optimal Outcomes APIs](https://apis.io/apis/xpansiv/xpansiv-optimal-outcomes/)
- [Xpansiv Marketplace FIX API](https://apis.io/apis/xpansiv/xpansiv-marketplace-fix/)

## Tags

Energy, Power Markets, Scheduling

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