curl --request PATCH \
  --url https://api.balansas.com/functions/v1/customer-api/end-users/{endUserId} \
  --header 'Content-Type: application/json' \
  --header 'x-api-key: <api-key>' \
  --data '
{
  "firstName": "<string>",
  "middleName": "<string>",
  "lastName": "<string>",
  "email": "[email protected]",
  "dob": "<string>",
  "phone": "<string>",
  "birthCountry": "<string>",
  "nationality": "<string>",
  "ipAddress": "<string>",
  "tags": [
    "<string>"
  ],
  "signupAt": "2023-11-07T05:31:56Z",
  "metadata": {},
  "linkedCryptoWallets": [
    {
      "coin": "<string>",
      "walletAddress": "<string>",
      "relationship": []
    }
  ]
}
'

import requests

url = "https://api.balansas.com/functions/v1/customer-api/end-users/{endUserId}"

payload = {
    "firstName": "<string>",
    "middleName": "<string>",
    "lastName": "<string>",
    "email": "[email protected]",
    "dob": "<string>",
    "phone": "<string>",
    "birthCountry": "<string>",
    "nationality": "<string>",
    "ipAddress": "<string>",
    "tags": ["<string>"],
    "signupAt": "2023-11-07T05:31:56Z",
    "metadata": {},
    "linkedCryptoWallets": [
        {
            "coin": "<string>",
            "walletAddress": "<string>",
            "relationship": []
        }
    ]
}
headers = {
    "x-api-key": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'x-api-key': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    firstName: '<string>',
    middleName: '<string>',
    lastName: '<string>',
    email: '[email protected]',
    dob: '<string>',
    phone: '<string>',
    birthCountry: '<string>',
    nationality: '<string>',
    ipAddress: '<string>',
    tags: ['<string>'],
    signupAt: '2023-11-07T05:31:56Z',
    metadata: {},
    linkedCryptoWallets: [{coin: '<string>', walletAddress: '<string>', relationship: []}]
  })
};

fetch('https://api.balansas.com/functions/v1/customer-api/end-users/{endUserId}', 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.balansas.com/functions/v1/customer-api/end-users/{endUserId}",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'firstName' => '<string>',
    'middleName' => '<string>',
    'lastName' => '<string>',
    'email' => '[email protected]',
    'dob' => '<string>',
    'phone' => '<string>',
    'birthCountry' => '<string>',
    'nationality' => '<string>',
    'ipAddress' => '<string>',
    'tags' => [
        '<string>'
    ],
    'signupAt' => '2023-11-07T05:31:56Z',
    'metadata' => [
        
    ],
    'linkedCryptoWallets' => [
        [
                'coin' => '<string>',
                'walletAddress' => '<string>',
                'relationship' => [
                                
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json",
    "x-api-key: <api-key>"
  ],
]);

$response = curl_exec($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.balansas.com/functions/v1/customer-api/end-users/{endUserId}"

	payload := strings.NewReader("{\n  \"firstName\": \"<string>\",\n  \"middleName\": \"<string>\",\n  \"lastName\": \"<string>\",\n  \"email\": \"[email protected]\",\n  \"dob\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"birthCountry\": \"<string>\",\n  \"nationality\": \"<string>\",\n  \"ipAddress\": \"<string>\",\n  \"tags\": [\n    \"<string>\"\n  ],\n  \"signupAt\": \"2023-11-07T05:31:56Z\",\n  \"metadata\": {},\n  \"linkedCryptoWallets\": [\n    {\n      \"coin\": \"<string>\",\n      \"walletAddress\": \"<string>\",\n      \"relationship\": []\n    }\n  ]\n}")

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

	req.Header.Add("x-api-key", "<api-key>")
	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.patch("https://api.balansas.com/functions/v1/customer-api/end-users/{endUserId}")
  .header("x-api-key", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"firstName\": \"<string>\",\n  \"middleName\": \"<string>\",\n  \"lastName\": \"<string>\",\n  \"email\": \"[email protected]\",\n  \"dob\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"birthCountry\": \"<string>\",\n  \"nationality\": \"<string>\",\n  \"ipAddress\": \"<string>\",\n  \"tags\": [\n    \"<string>\"\n  ],\n  \"signupAt\": \"2023-11-07T05:31:56Z\",\n  \"metadata\": {},\n  \"linkedCryptoWallets\": [\n    {\n      \"coin\": \"<string>\",\n      \"walletAddress\": \"<string>\",\n      \"relationship\": []\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.balansas.com/functions/v1/customer-api/end-users/{endUserId}")

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

request = Net::HTTP::Patch.new(url)
request["x-api-key"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"firstName\": \"<string>\",\n  \"middleName\": \"<string>\",\n  \"lastName\": \"<string>\",\n  \"email\": \"[email protected]\",\n  \"dob\": \"<string>\",\n  \"phone\": \"<string>\",\n  \"birthCountry\": \"<string>\",\n  \"nationality\": \"<string>\",\n  \"ipAddress\": \"<string>\",\n  \"tags\": [\n    \"<string>\"\n  ],\n  \"signupAt\": \"2023-11-07T05:31:56Z\",\n  \"metadata\": {},\n  \"linkedCryptoWallets\": [\n    {\n      \"coin\": \"<string>\",\n      \"walletAddress\": \"<string>\",\n      \"relationship\": []\n    }\n  ]\n}"

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

{
  "data": {
    "id": "9e2b1c34-5d6e-4f70-8a91-2b3c4d5e6f70",
    "fr_end_user_id": "eu_5Lk9Pm",
    "end_user_type": "INDIVIDUAL",
    "first_name": "Maria",
    "middle_name": "Elena",
    "last_name": "Rossi",
    "company_name": "Helix Trading Ltd",
    "email": "[email protected]",
    "reference_code": "EU-GWG2HS32",
    "status": "pending_verification",
    "fr_owner_business_id": "busi_8Jh2KdLm5Qx",
    "registration_number": "12345678",
    "registration_date": "2019-06-15",
    "business_type": "LIMITED_COMPANY",
    "incorporation_country": "IE",
    "sector": "OTHER_PRODUCTS_SERVICES",
    "risk_tier": "low_risk",
    "verification_completed_at": "2026-05-21T08:00:00.000Z",
    "disclosure_accepted_at": "2026-05-23T10:05:00.000Z",
    "disclosure_version": "ppa-v1.2-2026-05-23",
    "reverse_solicitation": {
      "required": true,
      "accepted": false
    },
    "created_at": "2026-05-28T11:02:09.456Z",
    "updated_at": "2026-05-28T11:02:09.456Z"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}

{
  "error": {
    "code": "<string>",
    "message": "<string>",
    "details": "<unknown>"
  }
}