Sendmachine Developers documentation

REST API documentation

The API is Work In Progress and may change.

The base URL of the API is All resources support stateless authentication via Basic HTTP Auth. The user and password can be found in the SMTP panel of your account.

Request and Response format

The preferred Request content-type is application/json. The Response content-type is application/json and status is 200 unless noted otherwise.

API Client

An official API client can be found here:

Smtp Headers and Macros

Campaign Macros