curl --request POST \
  --url https://api.nops.io/v1/budgets/lookback \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "explorerReportId": "report-1",
  "startDate": "2026-01-01",
  "period": "MONTHLY",
  "lookbackPeriod": 6,
  "numberOfPeriods": 12
}
'

import requests

url = "https://api.nops.io/v1/budgets/lookback"

payload = {
    "explorerReportId": "report-1",
    "startDate": "2026-01-01",
    "period": "MONTHLY",
    "lookbackPeriod": 6,
    "numberOfPeriods": 12
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    explorerReportId: 'report-1',
    startDate: '2026-01-01',
    period: 'MONTHLY',
    lookbackPeriod: 6,
    numberOfPeriods: 12
  })
};

fetch('https://api.nops.io/v1/budgets/lookback', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

package main

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

func main() {

	url := "https://api.nops.io/v1/budgets/lookback"

	payload := strings.NewReader("{\n  \"explorerReportId\": \"report-1\",\n  \"startDate\": \"2026-01-01\",\n  \"period\": \"MONTHLY\",\n  \"lookbackPeriod\": 6,\n  \"numberOfPeriods\": 12\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	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))

}

{
  "data": {
    "periods": [
      {
        "periodKey": "2026-01",
        "actual": 15200.5
      },
      {
        "periodKey": "2026-02",
        "actual": 14800.25
      }
    ]
  }
}

{
  "error": {
    "code": "forbidden_scope",
    "message": "API key is missing required scope: budgets:write",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}

{
  "error": {
    "code": "forbidden_scope",
    "message": "API key is missing required scope: budgets:write",
    "request_id": "550e8400-e29b-41d4-a716-446655440000"
  }
}