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Charles Schwab Options API

Option chain and expiration data

Charles Schwab Options API is one of 10 APIs that Charles Schwab publishes on the APIs.io network, described by a machine-readable OpenAPI specification.

Tagged areas include Options. The published artifact set on APIs.io includes an OpenAPI specification, API documentation, a getting-started guide, and authentication docs.

This API exposes 2 operations across 2 paths. It is described by OpenAPI 3.1.0, at version 1.0.

Requests are made against a single base URL, https://api.schwabapi.com/marketdata/v1.

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
1.0
Base URL
https://api.schwabapi.com/trader/v1
Authentication
OAuth 2.0
Resource Areas
1

Authentication & Security 1

Charles Schwab Options API declares 1 security scheme for authenticating requests. It supports OAuth 2.0 (oauth2) using the authorizationCode flow, exposing 1 scope. By default, every request must be authenticated.

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.

Options 2

Option chain and expiration data

GET
/chains
Get option chain for a symbol
getOptionChains 4 params → 200
GET
/expirationchain
Get option expiration chain for a symbol
getOptionExpirationChain 1 param → 200

Specification

The full machine-readable OpenAPI contract behind this narrative.

Source

charles-schwab-options-api-openapi.yml Raw ↑

Other APIs Charles Schwab publishes across the network.

Charles Schwab Accounts API
Charles Schwab Instruments API
Charles Schwab Market Hours API
Charles Schwab Movers API
Charles Schwab Orders API
Charles Schwab Price History API
Charles Schwab Quotes API
Charles Schwab Transactions API
Charles Schwab User Preferences API