Create a Send As Association
Create a send-as permission. The allowing_user_id must be equal to your own user ID.
Authentication
AuthorizationBasic
Use your API key as the username and leave the password empty.
OR
AuthorizationBearer
Bearer authentication of the form Bearer <token>, where token is your auth token.
Request
This endpoint expects any.
Response
Successful response
Errors
400
Bad Request Error
401
Unauthorized Error
404
Not Found Error