---
title: "Tariffs for all sites"
method: GET
path: "/v1/sites/tariffs"
tags: ["Sites"]
---

# Tariffs for all sites

`GET /v1/sites/tariffs`

Retrieves energy tariff information across all sites

## Response `200`

Tariff information retrieved successfully

- Tariff[]
  - `siteId` string — Site identifier
  - `supplier` string — Energy supplier name
  - `utility` 'ELECTRICITY' | 'GAS' — Utility type
  - `tariffName` string — Tariff name
  - `startDate` string, date — Tariff start date
  - `endDate` string, date — Tariff end date
  - `rates` TariffRate[] — Tariff rates
    - `name` string — Rate name
    - `rate` number — Price per unit in GBP
    - `startTime` string, time — Rate start time
    - `endTime` string, time — Rate end time
    - `daysOfWeek` string[] — Days of the week this rate applies

## Other responses

- `4XX` — Client error response

## Changes

> 13 revisions in range; 1 could not be searched.

- **2025-12-09** `d899129585db` — 5 breaking
  - the response property `items/rates/items/name` became optional for the status `200`
  - the response property `items/rates/items/rate` became optional for the status `200`
  - the response property `items/siteId` became optional for the status `200`
  - the response property `items/supplier` became optional for the status `200`
  - …1 more
- **2025-11-17** `1ecbbc9bbafb` — 5 info
  - the response property `items/rates/items/name` became required for the status `200`
  - the response property `items/rates/items/rate` became required for the status `200`
  - the response property `items/siteId` became required for the status `200`
  - the response property `items/supplier` became required for the status `200`
  - …1 more

[Change history](https://skmtc.dev/voltview/apis/voltview-api/changes/v1/sites/tariffs/get.md)

---

[API](https://skmtc.dev/voltview/apis/voltview-api.md) · [All operations](https://skmtc.dev/voltview/apis/voltview-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/voltview/voltview-api/revisions/d90c739b55df/schema)