AEMO NEM Spot Prices as a JSON REST API

Endpoint

Sample request

curl -H "Authorization: Bearer YOUR_API_KEY" \
  "https://api.ausdata.io/v1/energy-snapshot"

Sample response

{
  "data": [
    {
      "region": "NSW1",
      "price_aud_mwh": 92.4,
      "dispatch_time": "2025-05-20T14:35:00+10:00"
    }
  ],
  "meta": {
    "endpoint": "/v1/energy-snapshot",
    "source": {
      "name": "AEMO",
      "url": "https://aemo.com.au/",
      "attribution": "(c) AEMO, CC-BY 4.0"
    },
    "retrieved_at": "<ISO timestamp>"
  }
}

Response fields

Frequently asked questions

How do I query the NEM Spot Prices dataset via API?

Send a GET request to https://api.ausdata.io/v1/energy-snapshot with an Authorization: Bearer <your-key> header. The response is JSON with a data array and a meta block containing the source and retrieval timestamp. Get a free key at ausdata.io with 500 calls per month.

How often is the NEM Spot Prices data updated?

The NEM Spot Prices dataset is refreshed every 5 minutes from Australian Energy Market Operator (AEMO). The meta.retrieved_at field on every response tells you exactly when the underlying data was last pulled.

Is there a free tier for the AEMO NEM Spot Prices API?

Yes. ausdata.io offers a free tier of 500 calls per month across every endpoint, including NEM Spot Prices. No credit card required. Paid plans start at $29 AUD per month for 10,000 calls.

What format does the NEM Spot Prices API return?

JSON, with a consistent envelope: a data field carrying the rows or object, and a meta field with the source agency, source URL, attribution string, and retrieved_at timestamp. UTF-8, ISO 8601 dates, CC-BY attribution included on every response.