Need help with your APIs? I offer API discovery, governance & evangelism services. Explore services →
API Evangelist API Evangelist
Discovery
Learnings
Guidance
Toolbox
Alignment
API Evangelist LLC

ThetaData FlatFile API

The FlatFile API from ThetaData — 6 operation(s) for flatfile.

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

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

This API exposes 6 operations across 6 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.

6 operations 6 paths 0 schemas 6 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 6

Across 6 paths, the API surfaces 6 operations — 6 GET. Each is listed below with its method, path, parameters, and response codes.

FlatFile 6
GET
/option/flat_file/trade_quote
Option Flat File Trade Quote
option_flat_file_trade_quote 2 params → 200
GET
/option/flat_file/eod
Option Flat File EOD
option_flat_file_eod 2 params → 200
GET
/option/flat_file/open_interest
Option Flat File Open Interest
option_flat_file_open_interest 2 params → 200
GET
/stock/flat_file/trade_quote
Stock Flat File Trade Quote
stock_flat_file_trade_quote 2 params → 200
GET
/stock/flat_file/eod
Stock Flat File EOD
stock_flat_file_eod 2 params → 200
GET
/index/flat_file/eod
Index Flat File EOD
index_flat_file_eod 2 params → 200

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

thetadata-flatfile-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 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