curl --request POST \
  --url https://api.engrate.io/cost-of-energy/v1/calculate \
  --header 'Authorization: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "end_time": "2026-01-01T00:30:00+01:00",
  "profiles": [
    {
      "name": "quarter-hourly-day-ahead-price-se1",
      "profile_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
    }
  ],
  "start_time": "2026-01-01T00:00:00+01:00",
  "tariff_id": "123e4567-e89b-12d3-a456-426614174000",
  "time_series": [
    {
      "name": "quarter-hourly-energy-offtake",
      "values": [
        1.5,
        1.2
      ]
    }
  ]
}
'

import requests

url = "https://api.engrate.io/cost-of-energy/v1/calculate"

payload = {
    "end_time": "2026-01-01T00:30:00+01:00",
    "profiles": [
        {
            "name": "quarter-hourly-day-ahead-price-se1",
            "profile_id": "a1b2c3d4-e5f6-7890-abcd-ef1234567890"
        }
    ],
    "start_time": "2026-01-01T00:00:00+01:00",
    "tariff_id": "123e4567-e89b-12d3-a456-426614174000",
    "time_series": [
        {
            "name": "quarter-hourly-energy-offtake",
            "values": [1.5, 1.2]
        }
    ]
}
headers = {
    "Authorization": "<api-key>",
    "Content-Type": "application/json"
}

response = requests.post(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    end_time: '2026-01-01T00:30:00+01:00',
    profiles: [
      {
        name: 'quarter-hourly-day-ahead-price-se1',
        profile_id: 'a1b2c3d4-e5f6-7890-abcd-ef1234567890'
      }
    ],
    start_time: '2026-01-01T00:00:00+01:00',
    tariff_id: '123e4567-e89b-12d3-a456-426614174000',
    time_series: [{name: 'quarter-hourly-energy-offtake', values: [1.5, 1.2]}]
  })
};

fetch('https://api.engrate.io/cost-of-energy/v1/calculate', 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://api.engrate.io/cost-of-energy/v1/calculate",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "POST",
  CURLOPT_POSTFIELDS => json_encode([
    'end_time' => '2026-01-01T00:30:00+01:00',
    'profiles' => [
        [
                'name' => 'quarter-hourly-day-ahead-price-se1',
                'profile_id' => 'a1b2c3d4-e5f6-7890-abcd-ef1234567890'
        ]
    ],
    'start_time' => '2026-01-01T00:00:00+01:00',
    'tariff_id' => '123e4567-e89b-12d3-a456-426614174000',
    'time_series' => [
        [
                'name' => 'quarter-hourly-energy-offtake',
                'values' => [
                                1.5,
                                1.2
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: <api-key>",
    "Content-Type: application/json"
  ],
]);

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

curl_close($curl);

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

package main

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

func main() {

	url := "https://api.engrate.io/cost-of-energy/v1/calculate"

	payload := strings.NewReader("{\n  \"end_time\": \"2026-01-01T00:30:00+01:00\",\n  \"profiles\": [\n    {\n      \"name\": \"quarter-hourly-day-ahead-price-se1\",\n      \"profile_id\": \"a1b2c3d4-e5f6-7890-abcd-ef1234567890\"\n    }\n  ],\n  \"start_time\": \"2026-01-01T00:00:00+01:00\",\n  \"tariff_id\": \"123e4567-e89b-12d3-a456-426614174000\",\n  \"time_series\": [\n    {\n      \"name\": \"quarter-hourly-energy-offtake\",\n      \"values\": [\n        1.5,\n        1.2\n      ]\n    }\n  ]\n}")

	req, _ := http.NewRequest("POST", url, payload)

	req.Header.Add("Authorization", "<api-key>")
	req.Header.Add("Content-Type", "application/json")

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

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

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.post("https://api.engrate.io/cost-of-energy/v1/calculate")
  .header("Authorization", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"end_time\": \"2026-01-01T00:30:00+01:00\",\n  \"profiles\": [\n    {\n      \"name\": \"quarter-hourly-day-ahead-price-se1\",\n      \"profile_id\": \"a1b2c3d4-e5f6-7890-abcd-ef1234567890\"\n    }\n  ],\n  \"start_time\": \"2026-01-01T00:00:00+01:00\",\n  \"tariff_id\": \"123e4567-e89b-12d3-a456-426614174000\",\n  \"time_series\": [\n    {\n      \"name\": \"quarter-hourly-energy-offtake\",\n      \"values\": [\n        1.5,\n        1.2\n      ]\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.engrate.io/cost-of-energy/v1/calculate")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"end_time\": \"2026-01-01T00:30:00+01:00\",\n  \"profiles\": [\n    {\n      \"name\": \"quarter-hourly-day-ahead-price-se1\",\n      \"profile_id\": \"a1b2c3d4-e5f6-7890-abcd-ef1234567890\"\n    }\n  ],\n  \"start_time\": \"2026-01-01T00:00:00+01:00\",\n  \"tariff_id\": \"123e4567-e89b-12d3-a456-426614174000\",\n  \"time_series\": [\n    {\n      \"name\": \"quarter-hourly-energy-offtake\",\n      \"values\": [\n        1.5,\n        1.2\n      ]\n    }\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "components": [
    {
      "end_time": "2026-01-01T00:30:00+01:00",
      "name": "Energiskatt",
      "start_time": "2026-01-01T00:00:00+01:00",
      "time_series": [
        {
          "name": "cost",
          "resolution": "quarter_hourly",
          "unit": "SEK",
          "values": [
            0.54,
            0.432
          ]
        }
      ]
    }
  ]
}