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ThetaData Calendar API

The Calendar API from ThetaData — 3 operation(s) for calendar.

ThetaData Calendar API is one of 14 APIs that ThetaData publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Calendar. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, and an API reference.

This API exposes 3 operations across 3 paths. It is described by OpenAPI 3.1.0, at version 3.0.0.

Requests are made against a single base URL, http://127.0.0.1:25503/v3.

3 operations 3 paths 0 schemas 3 GET

Metadata

The identity and technical contract details declared by the specification.

Specification
OpenAPI 3.1.0
API Version
3.0.0
Base URL
http://127.0.0.1:25503/v3
Resource Areas
1

Paths & Operations 3

Across 3 paths, the API surfaces 3 operations — 3 GET. Each is listed below with its method, path, parameters, and response codes.

Calendar 3
GET
/calendar/today
Today
calendar_open_today 1 param → 200
GET
/calendar/on_date
On Date
calendar_on_date 2 params → 200
GET
/calendar/year_holidays
Year Holidays
calendar_year 2 params → 200

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

thetadata-calendar-api-openapi.yml Raw ↑

Other APIs ThetaData publishes across the network.

ThetaData Streaming WebSocket API
ThetaData MCP Server
ThetaData At-Time API
ThetaData FlatFile API
ThetaData History API
ThetaData Index API
ThetaData Interest Rate API
ThetaData List API
ThetaData Option API
ThetaData Single Day API
ThetaData Snapshot API
ThetaData Stock API