curl --request POST \
  --url https://api.grailpay.com/3p/api/v1/user/kyb/{uuid} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "business": {
    "name": "Business Name",
    "tin": "123456789"
  },
  "address": {
    "line_1": "123 Main St",
    "city": "Denver",
    "state": "CO",
    "zip": "80202",
    "line_2": "Apt 1"
  },
  "billing_merchant_user_uuid": "123e4567-e89b-12d3-a456-426614174000",
  "billing_processor_mid": "1234567890"
}
'

import requests

url = "https://api.grailpay.com/3p/api/v1/user/kyb/{uuid}"

payload = {
    "business": {
        "name": "Business Name",
        "tin": "123456789"
    },
    "address": {
        "line_1": "123 Main St",
        "city": "Denver",
        "state": "CO",
        "zip": "80202",
        "line_2": "Apt 1"
    },
    "billing_merchant_user_uuid": "123e4567-e89b-12d3-a456-426614174000",
    "billing_processor_mid": "1234567890"
}
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({
    business: {name: 'Business Name', tin: '123456789'},
    address: {
      line_1: '123 Main St',
      city: 'Denver',
      state: 'CO',
      zip: '80202',
      line_2: 'Apt 1'
    },
    billing_merchant_user_uuid: '123e4567-e89b-12d3-a456-426614174000',
    billing_processor_mid: '1234567890'
  })
};

fetch('https://api.grailpay.com/3p/api/v1/user/kyb/{uuid}', 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.grailpay.com/3p/api/v1/user/kyb/{uuid}",
  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([
    'business' => [
        'name' => 'Business Name',
        'tin' => '123456789'
    ],
    'address' => [
        'line_1' => '123 Main St',
        'city' => 'Denver',
        'state' => 'CO',
        'zip' => '80202',
        'line_2' => 'Apt 1'
    ],
    'billing_merchant_user_uuid' => '123e4567-e89b-12d3-a456-426614174000',
    'billing_processor_mid' => '1234567890'
  ]),
  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.grailpay.com/3p/api/v1/user/kyb/{uuid}"

	payload := strings.NewReader("{\n  \"business\": {\n    \"name\": \"Business Name\",\n    \"tin\": \"123456789\"\n  },\n  \"address\": {\n    \"line_1\": \"123 Main St\",\n    \"city\": \"Denver\",\n    \"state\": \"CO\",\n    \"zip\": \"80202\",\n    \"line_2\": \"Apt 1\"\n  },\n  \"billing_merchant_user_uuid\": \"123e4567-e89b-12d3-a456-426614174000\",\n  \"billing_processor_mid\": \"1234567890\"\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.grailpay.com/3p/api/v1/user/kyb/{uuid}")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json")
  .body("{\n  \"business\": {\n    \"name\": \"Business Name\",\n    \"tin\": \"123456789\"\n  },\n  \"address\": {\n    \"line_1\": \"123 Main St\",\n    \"city\": \"Denver\",\n    \"state\": \"CO\",\n    \"zip\": \"80202\",\n    \"line_2\": \"Apt 1\"\n  },\n  \"billing_merchant_user_uuid\": \"123e4567-e89b-12d3-a456-426614174000\",\n  \"billing_processor_mid\": \"1234567890\"\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.grailpay.com/3p/api/v1/user/kyb/{uuid}")

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  \"business\": {\n    \"name\": \"Business Name\",\n    \"tin\": \"123456789\"\n  },\n  \"address\": {\n    \"line_1\": \"123 Main St\",\n    \"city\": \"Denver\",\n    \"state\": \"CO\",\n    \"zip\": \"80202\",\n    \"line_2\": \"Apt 1\"\n  },\n  \"billing_merchant_user_uuid\": \"123e4567-e89b-12d3-a456-426614174000\",\n  \"billing_processor_mid\": \"1234567890\"\n}"

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

{
  "status": true,
  "message": "The business KYB has been updated.",
  "data": null,
  "errors": null,
  "error_code": null
}

{
  "status": false,
  "message": "Invalid token.",
  "data": null,
  "errors": null,
  "error_code": null
}

{
  "status": false,
  "message": "Only business users are allowed to update KYB.",
  "data": null,
  "errors": null,
  "error_code": null
}

{
  "status": false,
  "message": "User not found.",
  "data": null,
  "errors": null,
  "error_code": null
}

{
  "status": false,
  "message": "The requested billing merchant user uuid does not exist.",
  "data": null,
  "errors": null,
  "error_code": null
}

{
  "status": false,
  "message": "The given data was invalid.",
  "data": null,
  "errors": {
    "first_name": [
      "The tin is required."
    ]
  },
  "error_code": null
}