curl --request PUT \
  --url https://api.rrc.dev.finventi.com/reports/mai55/v1/submissions/{submissionId}/slik/persons/{clientPersonId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "clientPersonId": "CLIENT-000123",
  "individual": {
    "firstName": "Jonas",
    "lastName": "Jonaitis-Petraitis",
    "personCode": "39001010000"
  },
  "accounts": [
    {
      "accountNumber": "LT121000011101001000",
      "accountType": "CURRENT_ACCOUNT",
      "balance": 999.99
    }
  ]
}
'

import requests

url = "https://api.rrc.dev.finventi.com/reports/mai55/v1/submissions/{submissionId}/slik/persons/{clientPersonId}"

payload = {
    "clientPersonId": "CLIENT-000123",
    "individual": {
        "firstName": "Jonas",
        "lastName": "Jonaitis-Petraitis",
        "personCode": "39001010000"
    },
    "accounts": [
        {
            "accountNumber": "LT121000011101001000",
            "accountType": "CURRENT_ACCOUNT",
            "balance": 999.99
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    clientPersonId: 'CLIENT-000123',
    individual: {firstName: 'Jonas', lastName: 'Jonaitis-Petraitis', personCode: '39001010000'},
    accounts: [
      {
        accountNumber: 'LT121000011101001000',
        accountType: 'CURRENT_ACCOUNT',
        balance: 999.99
      }
    ]
  })
};

fetch('https://api.rrc.dev.finventi.com/reports/mai55/v1/submissions/{submissionId}/slik/persons/{clientPersonId}', 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.rrc.dev.finventi.com/reports/mai55/v1/submissions/{submissionId}/slik/persons/{clientPersonId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PUT",
  CURLOPT_POSTFIELDS => json_encode([
    'clientPersonId' => 'CLIENT-000123',
    'individual' => [
        'firstName' => 'Jonas',
        'lastName' => 'Jonaitis-Petraitis',
        'personCode' => '39001010000'
    ],
    'accounts' => [
        [
                'accountNumber' => 'LT121000011101001000',
                'accountType' => 'CURRENT_ACCOUNT',
                'balance' => 999.99
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "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.rrc.dev.finventi.com/reports/mai55/v1/submissions/{submissionId}/slik/persons/{clientPersonId}"

	payload := strings.NewReader("{\n  \"clientPersonId\": \"CLIENT-000123\",\n  \"individual\": {\n    \"firstName\": \"Jonas\",\n    \"lastName\": \"Jonaitis-Petraitis\",\n    \"personCode\": \"39001010000\"\n  },\n  \"accounts\": [\n    {\n      \"accountNumber\": \"LT121000011101001000\",\n      \"accountType\": \"CURRENT_ACCOUNT\",\n      \"balance\": 999.99\n    }\n  ]\n}")

	req, _ := http.NewRequest("PUT", 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))

}

HttpResponse<String> response = Unirest.put("https://api.rrc.dev.finventi.com/reports/mai55/v1/submissions/{submissionId}/slik/persons/{clientPersonId}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"clientPersonId\": \"CLIENT-000123\",\n  \"individual\": {\n    \"firstName\": \"Jonas\",\n    \"lastName\": \"Jonaitis-Petraitis\",\n    \"personCode\": \"39001010000\"\n  },\n  \"accounts\": [\n    {\n      \"accountNumber\": \"LT121000011101001000\",\n      \"accountType\": \"CURRENT_ACCOUNT\",\n      \"balance\": 999.99\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.rrc.dev.finventi.com/reports/mai55/v1/submissions/{submissionId}/slik/persons/{clientPersonId}")

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

request = Net::HTTP::Put.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"clientPersonId\": \"CLIENT-000123\",\n  \"individual\": {\n    \"firstName\": \"Jonas\",\n    \"lastName\": \"Jonaitis-Petraitis\",\n    \"personCode\": \"39001010000\"\n  },\n  \"accounts\": [\n    {\n      \"accountNumber\": \"LT121000011101001000\",\n      \"accountType\": \"CURRENT_ACCOUNT\",\n      \"balance\": 999.99\n    }\n  ]\n}"

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

{
  "status": "SUCCESS",
  "clientPersonId": "CLIENT-000123",
  "errors": []
}

{
  "status": "FAILED",
  "clientPersonId": "CLIENT-000999",
  "errors": [
    {
      "fields": [
        "clientPersonId"
      ],
      "message": "Person 'CLIENT-000999' is not in this round and has nothing reported for 2025 to amend; add it with POST"
    }
  ]
}