curl --request POST \
  --url https://api.openfiskal.com/v1/exports/dsfinvk \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --header 'X-OpenFiskal-Merchant: <x-openfiskal-merchant>' \
  --data '
{
  "from": "2026-03-01T00:00:00.000Z",
  "to": "2026-03-31T23:59:59.000Z",
  "register_id": "reg_01HABC"
}
'

import requests

url = "https://api.openfiskal.com/v1/exports/dsfinvk"

payload = {
    "from": "2026-03-01T00:00:00.000Z",
    "to": "2026-03-31T23:59:59.000Z",
    "register_id": "reg_01HABC"
}
headers = {
    "X-OpenFiskal-Merchant": "<x-openfiskal-merchant>",
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {
    'X-OpenFiskal-Merchant': '<x-openfiskal-merchant>',
    Authorization: 'Bearer <token>',
    'Content-Type': 'application/json'
  },
  body: JSON.stringify({
    from: '2026-03-01T00:00:00.000Z',
    to: '2026-03-31T23:59:59.000Z',
    register_id: 'reg_01HABC'
  })
};

fetch('https://api.openfiskal.com/v1/exports/dsfinvk', 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.openfiskal.com/v1/exports/dsfinvk",
  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([
    'from' => '2026-03-01T00:00:00.000Z',
    'to' => '2026-03-31T23:59:59.000Z',
    'register_id' => 'reg_01HABC'
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json",
    "X-OpenFiskal-Merchant: <x-openfiskal-merchant>"
  ],
]);

$response = curl_exec($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.openfiskal.com/v1/exports/dsfinvk"

	payload := strings.NewReader("{\n  \"from\": \"2026-03-01T00:00:00.000Z\",\n  \"to\": \"2026-03-31T23:59:59.000Z\",\n  \"register_id\": \"reg_01HABC\"\n}")

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

	req.Header.Add("X-OpenFiskal-Merchant", "<x-openfiskal-merchant>")
	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))

}

HttpResponse<String> response = Unirest.post("https://api.openfiskal.com/v1/exports/dsfinvk")
  .header("X-OpenFiskal-Merchant", "<x-openfiskal-merchant>")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"from\": \"2026-03-01T00:00:00.000Z\",\n  \"to\": \"2026-03-31T23:59:59.000Z\",\n  \"register_id\": \"reg_01HABC\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.openfiskal.com/v1/exports/dsfinvk")

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

request = Net::HTTP::Post.new(url)
request["X-OpenFiskal-Merchant"] = '<x-openfiskal-merchant>'
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"from\": \"2026-03-01T00:00:00.000Z\",\n  \"to\": \"2026-03-31T23:59:59.000Z\",\n  \"register_id\": \"reg_01HABC\"\n}"

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

{
  "id": "<string>",
  "type": "dsfinvk",
  "status": "pending",
  "from": "2023-11-07T05:31:56Z",
  "to": "2023-11-07T05:31:56Z",
  "created_at": "2023-11-07T05:31:56Z",
  "register_id": "<string>",
  "download_url": "<string>",
  "error": {
    "message": "<string>",
    "details": {}
  },
  "coverage": {
    "tse_serial_numbers": [
      "<string>"
    ],
    "log_message_count": 123,
    "covers_requested_window": true,
    "fresh_drain": "not_needed",
    "gapless": true,
    "signature_counter_first": 123,
    "signature_counter_last": 123,
    "covered_from": "2023-11-07T05:31:56Z",
    "covered_to": "2023-11-07T05:31:56Z",
    "last_drained_at": "2023-11-07T05:31:56Z"
  },
  "completed_at": "2023-11-07T05:31:56Z"
}

{
  "code": "invalid_request",
  "message": "The request body is malformed.",
  "retryable": false
}

{
  "code": "unauthorized",
  "message": "Authentication failed.",
  "retryable": false
}

{
  "code": "forbidden",
  "message": "The authenticated caller cannot access this resource.",
  "retryable": false
}

{
  "code": "not_found",
  "message": "The requested resource does not exist.",
  "retryable": false
}

{
  "code": "regime_validation_failed",
  "message": "The payload violates regime-specific validation rules.",
  "retryable": false
}