Public technical documentation for the intouch API: REST/JSON messaging over Australian carrier routes — SMS, MMS, wallet passes and delivery data. OAuth2 client credentials, Sydney-hosted, with an interactive explorer at apimobiledigital.com.
OAuth2 client-credentials auth, core SMS/MMS endpoints, message lifecycle, delivery tracing and error handling.
Get a token, base64 your image, POST /sendMMS and trace delivery — a working first MMS in about five minutes.
HMAC-SHA256 signature verification, retry behaviour and the handler design that survives real-world failure.
Building on Salesforce Marketing Cloud? The Journey Builder integration wraps this API. Commercial overview: API & Webhook Integration.