generated: '2026-07-11' method: derived source: openapi/etrade-openapi.yml summary: types: - http schemes: - name: 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. sources: - openapi/etrade-openapi.yml