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GET
/
v1
/
users
List third-party users
curl --request GET \
  --url https://register.tariff.interop/v1/users \
  --header 'X-Supplier-API-Key: <api-key>'
{
  "data": [
    {
      "user_id": "usr_c7e2f1a03b4d4e5f8a9b1c2d3e4f5a6b",
      "name": "Example Optimiser Ltd",
      "display_name": "Optimiser",
      "status": "active",
      "last_modified": "2026-10-15T08:30:00.000Z",
      "support": "tariff-support@optimiser.co.uk"
    }
  ]
}

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.

Authorizations

​
X-Supplier-API-Key
string
header
required

API key issued to TI Energy Suppliers for accessing restricted register data and submitting performance reports. Credentials are valid for 2 years and are distributed via a one-time URL from the Code Manager.

Query Parameters

​
active
boolean

When true, returns only currently active RTI Users.

Example:

true

Response

A list of RTI User register entries.

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