TD Ameritrade Holding Instruments API
Security and instrument search
TD Ameritrade Holding Instruments API is one of 9 APIs that TD Ameritrade Holding publishes on the APIs.io network, described by a machine-readable OpenAPI specification.
Tagged areas include Instruments. The published artifact set on APIs.io includes an OpenAPI specification and API documentation.
This API exposes 2 operations across 2 paths, and defines 2 schemas. It is described by OpenAPI 3.0.3, at version 1.
Requests are made against a single base URL, https://api.tdameritrade.com/v1.
Metadata
The identity and technical contract details declared by the specification.
Authentication & Security 1
TD Ameritrade Holding Instruments API declares
1 security scheme
for authenticating requests.
It supports OAuth 2.0 (OAuth2) using the authorizationCode flow, exposing 3 scopes.
By default, every request must be authenticated.
OAuth2— TD Ameritrade uses OAuth 2.0 token-based authentication
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.
Security and instrument search
Schemas 2
The contract defines 2 schemas that model the data the API accepts and returns. The most detailed are Instrument (5 properties), Error (2 properties). Each schema is shown below with its type and property counts.
Specification
The full machine-readable OpenAPI contract behind this narrative.
Source
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