MT PASA Offers

API Reference
Postman Collection

Getting Started

About the API

The MT PASA Offers API allows Scheduled Generators, Market Customers, Market Network Service Providers, and Integrated Resource Providers to submit their MT PASA Offers for Bi-directional Units (BDU), Scheduled Generation Units (SGU), Scheduled Load Units (SLU), and Scheduled Network Services (SNS).

During formal onboarding, you will first be given access to Pre-Production and must complete your development/testing there prior to getting access to Production.

Getting Access

To use the MT PASA Offers API you must :

  • Be a Registered Participant with a Participant ID.

  • Have a valid AEMO-signed TLS certificate.

  • Have an MSATS user ID with the required Participant User Rights Management (URM) entity granted to it.

TLS Certificate

This API is protected by MTLS authentication. A valid AEMO-signed TLS certificate is required to access this API. See the Guide to TLS Certificate Management on how to get an AEMO-signed TLS certificate for the first time.

User rights

Participant administrators provide access to the MT PASA Offer API using the following entities:

  • Create Offers: EMMS - Offers and Submissions - MTPASA Offers - Create

Participants Users provide the base-64 encoded URM credentials in the Basic Auth header.

External Docs

Below are a list of external links for additional context to the API or Program:

API Details

Authentication Methods

This API is using the following Security Policies:

Note: The TLS certificates used to access Pre-Production are different from those used to access Production.

Base URLs

Below are the base URLs used for this API:


Base URL

Data Type


Test-Data (snapshot of production)

MarketNet Entry Pre-Production

Test-Data (snapshot of production)


Live Data

MarketNet Entry Production

Live Data


Paths, Headers, Request Body and Responses can be found in the API Reference (OpenAPI Spec).