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ThetaData Single Day API

The Single Day API from ThetaData — 2 operation(s) for single day.

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

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

This API exposes 2 operations across 2 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.

2 operations 2 paths 0 schemas 2 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 2

Across 2 paths, the API surfaces 2 operations — 2 GET. Each is listed below with its method, path, parameters, and response codes.

Single Day 2
GET
/calendar/today
Today
calendar_open_today 1 param → 200
GET
/calendar/on_date
On Date
calendar_on_date 2 params → 200

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

thetadata-single-day-api-openapi.yml Raw ↑

Other APIs ThetaData publishes across the network.

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