Skip to main content
GET
/
v1
/
tariff
/
{mpid}
List tariffs
curl --request GET \
  --url https://example-supplier.co.uk/v1/tariff/{mpid}
import requests

url = "https://example-supplier.co.uk/v1/tariff/{mpid}"

response = requests.get(url)

print(response.text)
const options = {method: 'GET'};

fetch('https://example-supplier.co.uk/v1/tariff/{mpid}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));
<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://example-supplier.co.uk/v1/tariff/{mpid}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "GET",
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}
package main

import (
	"fmt"
	"net/http"
	"io"
)

func main() {

	url := "https://example-supplier.co.uk/v1/tariff/{mpid}"

	req, _ := http.NewRequest("GET", url, nil)

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}
HttpResponse<String> response = Unirest.get("https://example-supplier.co.uk/v1/tariff/{mpid}")
  .asString();
require 'uri'
require 'net/http'

url = URI("https://example-supplier.co.uk/v1/tariff/{mpid}")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Get.new(url)

response = http.request(request)
puts response.read_body
{
  "data": [
    {
      "tariff_id": "trf_a1b2c3d4e5f67890abcdef1234567890",
      "name": "Fixed October 2026",
      "last_modified": "2026-09-01T00:00:00.000Z"
    }
  ],
  "meta": {
    "total": 12,
    "limit": 20,
    "offset": 0
  }
}
{
  "code": "tariff_not_found",
  "message": "No tariff found for the given tariff_id and supplier MPID.",
  "details": "tariff_id a1b2c3d4-e5f6-7890-abcd-ef1234567890 does not exist for supplier SEBD."
}
{
  "code": "tariff_not_found",
  "message": "No tariff found for the given tariff_id and supplier MPID.",
  "details": "tariff_id a1b2c3d4-e5f6-7890-abcd-ef1234567890 does not exist for supplier SEBD."
}

Path Parameters

​
mpid
string
required

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

Required string length: 4
Example:

"SEBD"

Query Parameters

​
limit
integer
default:20

Maximum number of records to return. Defaults to 20, maximum 100.

Required range: 1 <= x <= 100
Example:

20

​
offset
integer
default:0

Number of records to skip for pagination. Defaults to 0.

Required range: x >= 0
Example:

0

​
tariff_type
enum<string>

Filter by tariff type. Whether the tariff is static or dynamic.

  • static — rates in the schedule are fixed until the supplier pushes a tariff.update webhook event.
  • dynamic — rates change over time. RTI Users must re-fetch the schedule proactively using valid_from / valid_to on the tariff to know when to refresh. No tariff.update webhook events are sent for dynamic tariff rate changes.
Available options:
static,
dynamic
​
fuel_type
enum<string>

Filter by fuel type. Whether the tariff applies to electricity or gas.

Available options:
electricity,
gas
Example:

"electricity"

​
energy_flow
enum<string>

Filter by energy flow direction — import or export. Direction of energy flow — import into the property or export out of it.

Available options:
import,
export
Example:

"import"

​
payment_method
enum<string>

Filter by payment method. Payment method this tariff variant applies to.

Available options:
direct_debit,
non_direct_debit,
prepayment
​
ldz_region
enum<string>

Filter by LDZ region code. Returns tariffs that include this region. 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"

​
meter_type
enum<string>

Filter by meter type. Meter configuration this tariff applies to.

  • single_rate — one unit rate applies at all times (standard credit meter).
  • multi_rate — two or more unit rates apply at different times (e.g. Economy 7).
  • smart — half-hourly read smart meter, required for dynamic tariffs.
  • prepayment — prepayment meter.
Available options:
single_rate,
multi_rate,
smart,
prepayment
Example:

"smart"

​
customer_type
enum<string>

Filter by customer type — residential or business. Whether this tariff is available to residential or business consumers.

Available options:
residential,
business
Example:

"residential"

​
valid_from
string<date-time>

Return tariffs effective on or after this datetime (ISO 8601). Filters on TariffDetail.valid_from.

ISO 8601 datetime with millisecond precision.

Example:

"2026-11-01T10:00:00.000Z"

​
valid_to
string<date-time>

Return tariffs effective up to and including this datetime (ISO 8601). Filters on TariffDetail.valid_to.

ISO 8601 datetime with millisecond precision.

Example:

"2026-11-01T10:00:00.000Z"

Response

A list of tariff summaries.

​
data
object[]
required
​
meta
object
required

Pagination metadata included in list responses.

Last modified on March 28, 2026