Etrade Order API

openapi: 3.0.3
info:
  title: E*TRADE Accounts Order API
  description: The E*TRADE Developer Platform exposes REST APIs for account management, quote retrieval, options chains, order placement, and market data. Access is granted to E*TRADE customers via OAuth 1.0a after registering as a developer at https://developer.etrade.com/home.
  version: '1.0'
  contact:
    name: E*TRADE Developer Platform
    url: https://developer.etrade.com/home
  termsOfService: https://us.etrade.com/etx/hw/v2/api
servers:
- url: https://api.etrade.com/v1
  description: Production
- url: https://apisb.etrade.com/v1
  description: Sandbox
security:
- oauth1: []
tags:
- name: Order
  description: Preview, place, change, and cancel equity and option orders
paths:
  /accounts/{accountIdKey}/orders/preview:
    post:
      summary: Preview order
      operationId: previewOrder
      tags:
      - Order
      parameters:
      - name: accountIdKey
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Order preview
  /accounts/{accountIdKey}/orders/place:
    post:
      summary: Place order
      operationId: placeOrder
      tags:
      - Order
      parameters:
      - name: accountIdKey
        in: path
        required: true
        schema:
          type: string
      responses:
        '200':
          description: Order confirmation
components:
  securitySchemes:
    oauth1:
      type: http
      scheme: OAuth
      description: E*TRADE uses OAuth 1.0a. Obtain a request token, redirect the customer for authorization, exchange for an access token, then sign each request with HMAC-SHA1.