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GET
/
v1
/
tariff
/
{mpid}
/
{tariff_id}
Get tariff details
curl --request GET \
  --url https://example-supplier.co.uk/v1/tariff/{mpid}/{tariff_id}
{
  "data": [
    {
      "tariff_id": "trf_a1b2c3d4e5f67890abcdef1234567890",
      "name": "Comfy Cucumber October 2026",
      "fuel_type": "electricity",
      "last_modified": "2026-11-01T10:00:00.000Z",
      "description": "A flexible electricity tariff with half-hourly prices tracking the wholesale market.",
      "version": 1,
      "energy_flow": "import",
      "meter_type": "smart",
      "customer_type": "residential",
      "ldz_region": "SE",
      "percentage_green": 27,
      "standing_charge": "0.62500",
      "vat_included": true,
      "vat_rate": 5,
      "comments": "Includes a £50 joining incentive applied as a bill credit in month 1.",
      "valid_from": "2026-11-01T10:00:00.000Z",
      "valid_to": "2026-11-01T10:00:00.000Z",
      "sellable_from": "2026-11-01T10:00:00.000Z",
      "sellable_to": "2026-11-01T10:00:00.000Z",
      "rates": [
        {
          "days_and_hours": [
            {
              "days": [
                "Mon",
                "Tue",
                "Wed",
                "Thu",
                "Fri"
              ],
              "hours": [
                {
                  "valid_from": "07:00:00",
                  "valid_to": "16:00:00",
                  "rate": [
                    {
                      "unit_price": "0.24301",
                      "to_kwh": 30
                    }
                  ]
                }
              ]
            }
          ],
          "months": [
            "All"
          ],
          "dates": [
            1
          ]
        }
      ]
    }
  ]
}

Documentation Index

Fetch the complete documentation index at: https://docs.auth.energy/llms.txt

Use this file to discover all available pages before exploring further.

Path Parameters

​
mpid
string
required

Four-character Market Participant Identifier (MPID) of the supplier.

Required string length: 4
Example:

"SEBD"

​
tariff_id
string<uuid>
required

UUID of the tariff, as returned by GET /tariff/{mpid}.

Example:

"a1b2c3d4-e5f6-7890-abcd-ef1234567890"

Query Parameters

​
ldz_region
enum<string>

LDZ region code to filter pricing by geographic zone. See LdzRegion for valid values. Local Distribution Zone (LDZ) or Network Operator region code. Identifies the geographic pricing zone for this tariff.

Available options:
SC,
NO,
NE,
NWT,
WMD,
EM,
EA,
NT,
SO,
SE,
WN,
WW,
SW
Example:

"SE"

Response

Full tariff pricing detail.

​
data
object[]
Minimum array length: 1
Last modified on March 28, 2026