MISO

MISO Realtime API

The Realtime API from MISO — 17 operation(s) for realtime.

Documentation GitHub OpenAPI

Operations 17

GET /v1/real-time/{date}/binding-constraint Real-Time Binding Constraints #

GET /v1/real-time/{date}/demand/actual Actual Load #

GET /v1/real-time/{date}/demand/forecast Real-Time Cleared Demand #

GET /v1/real-time/{date}/demand/load-state-estimator Real-Time State Estimator Load #

GET /v1/real-time/{date}/generation/cleared/supply Real-Time Cleared Generation #

GET /v1/real-time/{date}/generation/committed/ecomax Real-Time Committed Generation, ECOMAX #

GET /v1/real-time/{date}/generation/fuel-on-the-margin Real-Time Generation Fuel-on-the-Margin #

GET /v1/real-time/{date}/generation/fuel-type Real-Time Generation Fuel Type #

GET /v1/real-time/{date}/generation/offered/ecomax Real-Time Offered Generation, ECOMAX #

GET /v1/real-time/{date}/interchange/net-actual Real-Time Net Actual Interchange #

GET /v1/real-time/{date}/interchange/net-scheduled Real-Time Net Scheduled Interchange #

GET /v1/real-time/{date}/outage Real-Time Outages #

GET /v1/real-time/{date}/asm-exante Real-Time Ex-Ante MCP #

GET /v1/real-time/{date}/asm-expost Real-Time Ex-Post MCP #

GET /v1/real-time/{date}/asm-summary Real-Time MCP Summary #

GET /v1/real-time/{date}/lmp-exante Real-Time Ex-Ante LMP #

GET /v1/real-time/{date}/lmp-expost Real-Time Ex-Post LMP #

Every API here is available over the APIs.io API and to AI agents over MCP.

MCP server

One button, every client — Claude, Cursor, VS Code and the rest.

https://apis.io/mcp

Tools for apis

7 MCP tools reach this

find_apisBrowse and filter every API in the catalog.
get_api_artifactsOne API's artifacts, grouped by type.
get_openapiThe primary OpenAPI for this API.
find_similar_apisAPIs that look like this one.
apis_io_searchSTART HERE — APIs, providers and tags for one query, each with its total.
resolveTurn a domain, URL or GitHub org into the provider it belongs to.
find_cohortsEvery scored population of providers in the catalog.

All 92 tools →

Call it yourself

curl for this page

This API

curl "https://apis.io/api/v1/apis/miso-realtime-api"

All apis

curl "https://apis.io/api/v1/apis?limit=25"

Discovery needs no key. Ratings and market analysis are Pro.

Get an API key

Free tier, no form to fill in. Signing in shares your email address with us — we store it to create your key and to recognise you if you sign in with another provider. See our Privacy Policy and Terms.

GitHub Google LinkedIn

A second provider on the same verified email joins the account you already have.

OpenAPI Specification

openapi: 3.2.0
info:
  title: Miso Real Time API
  version: '1.0'
  x-refined-note:
  - x-provenance differs across the merged source definitions and was not carried
  description: 'Operations tagged Real Time across 2 of this provider''s published API definitions: miso-data-exchange-load-generation-interchange-api-openapi.json, miso-data-exchange-pricing-api-openapi.json. Each path carries the servers of the definition it was published in.'
servers:
- url: https://apim.misoenergy.org/lgi
- url: https://apim.misoenergy.org/pricing
security:
- {}
- apiKeyHeader: []
- apiKeyQuery: []
tags:


# --- truncated at 32 KB (58 KB total) ---
# Full source: https://raw.githubusercontent.com/api-evangelist/miso/refs/heads/main/openapi/miso-realtime-api-openapi.yml

MISO Realtime API

Operations 17

Documentation

Specifications

Other Resources

Work with this as data

MCP server

Tools for apis

Call it yourself

Get an API key

OpenAPI Specification