AEMO
AEMO WEM DER NMI

Using the WEM DER Registration APIs, consumers can Create, update and retrieve NMI details AEMO's public API catalogue lists 3 operation(s) for this API, gateway-routed under the path prefix /wem/v1/der-register. 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 3 operation(s) in the OpenAPI captured here were harvested from AEMO's developer-portal operations endpoints (https://dev.aemo.com.au/developer/apis/der-register-nmi-v1/operations?api-version=2022-04-01-preview), complete with parameters, headers, response codes and response examples. Harvested 2026-07-27 (HTTP 200).
Documentation GitHub OpenAPI
OpenAPI Specification

openapi: 3.0.1
info:
  title: WEM DER NMI
  description: '## Introduction

    Using the WEM DER Registration APIs, consumers can Create, update and retrieve NMI details'
  version: '3.0'
  x-origin:
  - format: openapi
    source: AEMO API Management developer portal
    url: https://dev.aemo.com.au/developer/apis/der-register-nmi-v1/operations?api-version=2022-04-01-preview
servers:
- url: https://api-prd.aemo.local/wem/v1/der-register
paths:
  /nmi-details:
    post:
      operationId: createsANewNMIRecord
      summary: Creates a new NMI record.
      tags:
      - WEM DER NMI
      description: Creates a new NMI record
      parameters:
      - name: X-initiatingParticipantID
        in: header
        required: true
        schema:
          type: string
        description: The participant ID who the request is from.
      - name: X-market
        in: header
        required: true
        schema:
          type: string
        description: The market the request is for.
      requestBody:
        content:
          application/json:
            example:
              nmi: string
              substation: string
              postCode: string
              tni: string
              status: string
        description: Create NMI record
      responses:
        '200':
          description: Create NMI record - Success
          content:
            application/json:
              example:
                transactionId: string
                data: {}
        '400':
          description: Bad Request
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '400'
                  title: <Error title>
                  detail: <Details of the error>
        '401':
          description: Unauthorized
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '401'
                  title: Unauthorised
                  detail: Authorization failed
        '403':
          description: Forbidden
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '403'
                  title: Forbidden
                  detail: Insufficient privileges
        '404':
          description: Not Found
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '404'
                  title: Not found
                  detail: ID not found
        '405':
          description: Method Not Allowed
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '405'
                  title: Method Not Allowed
                  detail: Invalid method <request method> for path <request path>
        '429':
          description: Too many requests
        '500':
          description: Internal Server Error
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '500'
                  title: Internal Server error
                  detail: Internal Server error
  /nmi-details/{nmi}:
    get:
      operationId: returnsTheCurrentNMIDetails
      summary: Returns the current NMI details
      tags:
      - WEM DER NMI
      description: Returns the current NMI details
      parameters:
      - name: nmi
        in: path
        required: true
        schema:
          type: string
        description: NMI to get
      - name: X-initiatingParticipantID
        in: header
        required: true
        schema:
          type: string
        description: The participant ID who the request is from.
      - name: X-market
        in: header
        required: true
        schema:
          type: string
        description: The market the request is for.
      - name: Authorization
        in: header
        required: true
        schema:
          type: string
          enum:
          - Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6Imwzc1EtNTBjQ0g0eEJWWkxIVEd3blNSNzY4MCIsImtpZCI6Imwzc1EtNTBjQ0g0eEJWWkxIVEd3blNSNzY4MCJ9.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.TO06Jtlg7EUXVmDZVCXSPvvQscR6wE8kYDDkm0zrlykg9IVQnjhvYicVpq60gj50ZfcHmqsyVS7hg0mEa46EKpgI6YDbs-KLA5RIGmqhrLrk7ZEutwZNNBRMKq7zolYdvLFLykK3gpXQ4aHhyOOFgyj43RXujqtRy74-AWhoMZ60L7FzLgGwYsaF6lKlB52SA-1EePAVLSAIYQZ7C7z2hRQVL5ZfUMFMOV_PoYHkxiDUxaNJJwUpFCY--Fuz_1-dVMjUBXlHAZLeyWw58tLJpa3m-gqdjd2afvAw7ElL60VB3X98In6HUDD16ZZ38a7hb_mYaAd-7hmNpBdCXx6YGw
          default: Bearer eyJ0eXAiOiJKV1QiLCJhbGciOiJSUzI1NiIsIng1dCI6Imwzc1EtNTBjQ0g0eEJWWkxIVEd3blNSNzY4MCIsImtpZCI6Imwzc1EtNTBjQ0g0eEJWWkxIVEd3blNSNzY4MCJ9.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.TO06Jtlg7EUXVmDZVCXSPvvQscR6wE8kYDDkm0zrlykg9IVQnjhvYicVpq60gj50ZfcHmqsyVS7hg0mEa46EKpgI6YDbs-KLA5RIGmqhrLrk7ZEutwZNNBRMKq7zolYdvLFLykK3gpXQ4aHhyOOFgyj43RXujqtRy74-AWhoMZ60L7FzLgGwYsaF6lKlB52SA-1EePAVLSAIYQZ7C7z2hRQVL5ZfUMFMOV_PoYHkxiDUxaNJJwUpFCY--Fuz_1-dVMjUBXlHAZLeyWw58tLJpa3m-gqdjd2afvAw7ElL60VB3X98In6HUDD16ZZ38a7hb_mYaAd-7hmNpBdCXx6YGw
      responses:
        '200':
          description: Return NMI details - Success
          content:
            application/json:
              example:
                transactionId: string
                data:
                  nmi: string
                  substation: string
                  postCode: string
                  tni: string
                  status: string
                  recordCreationDate: string
                  recordUpdateDate: string
        '400':
          description: Bad Request
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '400'
                  title: <Error title>
                  detail: <Details of the error>
        '401':
          description: Unauthorized
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '401'
                  title: Unauthorised
                  detail: Authorization failed
        '403':
          description: Forbidden
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '403'
                  title: Forbidden
                  detail: Insufficient privileges
        '404':
          description: Not Found
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '404'
                  title: Not found
                  detail: ID not found
        '405':
          description: Method Not Allowed
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '405'
                  title: Method Not Allowed
                  detail: Invalid method <request method> for path <request path>
        '429':
          description: Too many requests
        '500':
          description: Internal Server Error
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '500'
                  title: Internal Server error
                  detail: Internal Server error
    put:
      operationId: updatesANMIRecord
      summary: Updates a NMI record
      tags:
      - WEM DER NMI
      description: Updates a NMI record
      parameters:
      - name: nmi
        in: path
        required: true
        schema:
          type: string
        description: NMI to update
      - name: X-initiatingParticipantID
        in: header
        required: true
        schema:
          type: string
        description: The participant ID who the request is from.
      - name: X-market
        in: header
        required: true
        schema:
          type: string
        description: The market the request is for.
      requestBody:
        content:
          application/json:
            example:
              nmi: string
              substation: string
              postCode: string
              tni: string
              status: string
        description: Update NMI record
      responses:
        '200':
          description: Update NMI record - Success
          content:
            application/json:
              example:
                transactionId: string
                data: {}
        '400':
          description: Bad Request
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '400'
                  title: <Error title>
                  detail: <Details of the error>
        '401':
          description: Unauthorized
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '401'
                  title: Unauthorised
                  detail: Authorization failed
        '403':
          description: Forbidden
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '403'
                  title: Forbidden
                  detail: Insufficient privileges
        '404':
          description: Not Found
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '404'
                  title: Not found
                  detail: ID not found
        '405':
          description: Method Not Allowed
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '405'
                  title: Method Not Allowed
                  detail: Invalid method <request method> for path <request path>
        '429':
          description: Too many requests
        '500':
          description: Internal Server Error
          content:
            application/json:
              example:
                transactionId: string
                errors:
                - code: '500'
                  title: Internal Server error
                  detail: Internal Server error
components:
  securitySchemes:
    apiKeyHeader:
      type: apiKey
      name: x-apikey
      in: header
    apiKeyQuery:
      type: apiKey
      name: subscription-key
      in: query
security:
- {}
- apiKeyHeader: []
- apiKeyQuery: []
tags:
- name: WEM DER NMI
  description: Introduction
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