Morningstar Agent API
Morningstar's AI integration surface - the Morningstar Agent API at agents.morningstar.com plus an MCP server exposing datapoint lookup and editorial research tools to AI agents, with a published agent design playbook.
Morningstar Agent API is one of 18 APIs that Morningstar publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Artificial Intelligence, Agents, and MCP. The published artifact set on APIs.io includes API documentation and an OpenAPI specification.
This API exposes 4 operations across 4 paths, and defines 6 schemas. It is described by OpenAPI 3.2.0, at version 1.0.0.
Requests are made against 3 base URLs: https://www.us-api.morningstar.com/token, https://www.emea-api.morningstar.com/token, https://www.apac-api.morningstar.com/token.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
Morningstar Agent API declares
1 security scheme
for authenticating requests.
It accepts HTTP basic authentication (BasicAuth).
By default, every request must be authenticated.
Paths & Operations 4
Across 4 paths, the API surfaces 4 operations — 2 GET, 2 POST. Each is listed below with its method, path, parameters, and response codes.
Schemas 6
The contract defines 6 schemas that model the data the API accepts and returns. The most detailed are ValidationError (5 properties), TokenUsage (4 properties), RunRequest (2 properties), RunResponse (2 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
More from Morningstar 12
Other APIs Morningstar publishes across the network.
This is an independent, third-party profile of Morningstar Agent API, published by API Evangelist. We do not operate, host, resell, or support these APIs, and we are not affiliated with or endorsed by the company unless stated above. Everything here is built from publicly available information — the company's own site, developer portal, documentation, public repositories, and the specifications it publishes for public use. Nothing is obtained by breaching a system, defeating an access control, or using credentials.
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