curl --request POST \
  --url https://api.coinlist.co/v1/documents/{document_type}/submission \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "City": "Warsaw",
  "Country": "PL",
  "Country Of Citizenship": "Poland",
  "DOB": "01/15/1985",
  "Date": "06/16/2026",
  "Foreign Tax Number": "123-45-6789",
  "Full Name": "Aleksander Nowak",
  "Permanent Address": "ul. Nowy Świat 12",
  "Signature": "Aleksander Nowak"
}
'

import requests

url = "https://api.coinlist.co/v1/documents/{document_type}/submission"

payload = {
    "City": "Warsaw",
    "Country": "PL",
    "Country Of Citizenship": "Poland",
    "DOB": "01/15/1985",
    "Date": "06/16/2026",
    "Foreign Tax Number": "123-45-6789",
    "Full Name": "Aleksander Nowak",
    "Permanent Address": "ul. Nowy Świat 12",
    "Signature": "Aleksander Nowak"
}
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({
    City: 'Warsaw',
    Country: 'PL',
    'Country Of Citizenship': 'Poland',
    DOB: '01/15/1985',
    Date: '06/16/2026',
    'Foreign Tax Number': '123-45-6789',
    'Full Name': 'Aleksander Nowak',
    'Permanent Address': 'ul. Nowy Świat 12',
    Signature: 'Aleksander Nowak'
  })
};

fetch('https://api.coinlist.co/v1/documents/{document_type}/submission', 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.coinlist.co/v1/documents/{document_type}/submission",
  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([
    'City' => 'Warsaw',
    'Country' => 'PL',
    'Country Of Citizenship' => 'Poland',
    'DOB' => '01/15/1985',
    'Date' => '06/16/2026',
    'Foreign Tax Number' => '123-45-6789',
    'Full Name' => 'Aleksander Nowak',
    'Permanent Address' => 'ul. Nowy Świat 12',
    'Signature' => 'Aleksander Nowak'
  ]),
  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.coinlist.co/v1/documents/{document_type}/submission"

	payload := strings.NewReader("{\n  \"City\": \"Warsaw\",\n  \"Country\": \"PL\",\n  \"Country Of Citizenship\": \"Poland\",\n  \"DOB\": \"01/15/1985\",\n  \"Date\": \"06/16/2026\",\n  \"Foreign Tax Number\": \"123-45-6789\",\n  \"Full Name\": \"Aleksander Nowak\",\n  \"Permanent Address\": \"ul. Nowy Świat 12\",\n  \"Signature\": \"Aleksander Nowak\"\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))

}

HttpResponse<String> response = Unirest.post("https://api.coinlist.co/v1/documents/{document_type}/submission")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"City\": \"Warsaw\",\n  \"Country\": \"PL\",\n  \"Country Of Citizenship\": \"Poland\",\n  \"DOB\": \"01/15/1985\",\n  \"Date\": \"06/16/2026\",\n  \"Foreign Tax Number\": \"123-45-6789\",\n  \"Full Name\": \"Aleksander Nowak\",\n  \"Permanent Address\": \"ul. Nowy Świat 12\",\n  \"Signature\": \"Aleksander Nowak\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.coinlist.co/v1/documents/{document_type}/submission")

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

request = Net::HTTP::Post.new(url)
request["Authorization"] = 'Bearer <token>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"City\": \"Warsaw\",\n  \"Country\": \"PL\",\n  \"Country Of Citizenship\": \"Poland\",\n  \"DOB\": \"01/15/1985\",\n  \"Date\": \"06/16/2026\",\n  \"Foreign Tax Number\": \"123-45-6789\",\n  \"Full Name\": \"Aleksander Nowak\",\n  \"Permanent Address\": \"ul. Nowy Świat 12\",\n  \"Signature\": \"Aleksander Nowak\"\n}"

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

{
  "form_type": "w8_ben",
  "object": "document_submission",
  "status": "SENT"
}

{
  "message": "<string>",
  "code": "<string>",
  "errors": {},
  "event_id": "<string>"
}