AEMO B2MMessagingSync
The B2MMessagingSync API supports generateC1Report, generateC4Report, getMSATSLimits,NMIDiscovery, getNMIDetail, getParticipantSystemStatus, and getMeterData endpoints.The API participant pushes their outgoing message to the e-Hub and the e-Hub pushes the message to the API recipient.The message delivery occurs synchronously where the participant sends the message to the e-Hub and AEMO immediately AEMO's public API catalogue lists 7 operation(s) for this API, gateway-routed under the path prefix /NEMRetail/B2MMessagingSync. AEMO's own openapi-link export for this API is a shell — it declares paths: {} with zero operations and names an internal host — so the 7 operation(s) in the OpenAPI captured here were harvested from AEMO's developer-portal operations endpoints (https://dev.aemo.com.au/developer/apis/b2mmessaging-sync-v1/operations?api-version=2022-04-01-preview), complete with parameters, headers, response codes and response examples. Harvested 2026-07-27 (HTTP 200).