curl --request PUT \
  --url https://qa-api.endl.xyz/api/v0/customer/{userId} \
  --header 'API-KEY: <api-key>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "firstName": "Janet",
  "phone": "+971511111111",
  "questionnaire": {
    "sections": {
      "profileDetails": {
        "items": {
          "occupation": {
            "value": "13-2011"
          }
        }
      }
    }
  }
}
'

import requests

url = "https://qa-api.endl.xyz/api/v0/customer/{userId}"

payload = {
    "firstName": "Janet",
    "phone": "+971511111111",
    "questionnaire": { "sections": { "profileDetails": { "items": { "occupation": { "value": "13-2011" } } } } }
}
headers = {
    "API-KEY": "<api-key>",
    "Content-Type": "application/json"
}

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

print(response.text)

const options = {
  method: 'PUT',
  headers: {'API-KEY': '<api-key>', 'Content-Type': 'application/json'},
  body: JSON.stringify({
    firstName: 'Janet',
    phone: '+971511111111',
    questionnaire: {sections: {profileDetails: {items: {occupation: {value: '13-2011'}}}}}
  })
};

fetch('https://qa-api.endl.xyz/api/v0/customer/{userId}', 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://qa-api.endl.xyz/api/v0/customer/{userId}",
  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([
    'firstName' => 'Janet',
    'phone' => '+971511111111',
    'questionnaire' => [
        'sections' => [
                'profileDetails' => [
                                'items' => [
                                                                'occupation' => [
                                                                                                                                'value' => '13-2011'
                                                                ]
                                ]
                ]
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "API-KEY: <api-key>",
    "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://qa-api.endl.xyz/api/v0/customer/{userId}"

	payload := strings.NewReader("{\n  \"firstName\": \"Janet\",\n  \"phone\": \"+971511111111\",\n  \"questionnaire\": {\n    \"sections\": {\n      \"profileDetails\": {\n        \"items\": {\n          \"occupation\": {\n            \"value\": \"13-2011\"\n          }\n        }\n      }\n    }\n  }\n}")

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

	req.Header.Add("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.put("https://qa-api.endl.xyz/api/v0/customer/{userId}")
  .header("API-KEY", "<api-key>")
  .header("Content-Type", "application/json")
  .body("{\n  \"firstName\": \"Janet\",\n  \"phone\": \"+971511111111\",\n  \"questionnaire\": {\n    \"sections\": {\n      \"profileDetails\": {\n        \"items\": {\n          \"occupation\": {\n            \"value\": \"13-2011\"\n          }\n        }\n      }\n    }\n  }\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://qa-api.endl.xyz/api/v0/customer/{userId}")

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

request = Net::HTTP::Put.new(url)
request["API-KEY"] = '<api-key>'
request["Content-Type"] = 'application/json'
request.body = "{\n  \"firstName\": \"Janet\",\n  \"phone\": \"+971511111111\",\n  \"questionnaire\": {\n    \"sections\": {\n      \"profileDetails\": {\n        \"items\": {\n          \"occupation\": {\n            \"value\": \"13-2011\"\n          }\n        }\n      }\n    }\n  }\n}"

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

{
  "userId": "3c90c3cc-0d44-4b50-8888-8dd25736052a",
  "userType": "INDIVIDUAL",
  "status": "INITIATED",
  "sumsubApplicantId": "<string>",
  "email": "<string>",
  "firstName": "<string>",
  "lastName": "<string>",
  "country": "<string>",
  "dateOfBirth": "<string>",
  "active": true,
  "deleted": true,
  "documents": [
    {}
  ],
  "questionnaire": {}
}

{
  "errors": [
    {
      "code": "400",
      "message": "firstName is required",
      "name": "PartnerOnboardingCreate failed to process"
    },
    {
      "code": "400",
      "message": "country must be an ISO 3166-1 alpha-3 code (e.g. ARE)",
      "name": "PartnerOnboardingCreate failed to process"
    }
  ]
}

{
  "code": "401",
  "message": "Authentication Failed!",
  "name": "PartnerOnboarding failed to process"
}

{
  "code": "403",
  "message": "Onboarding is not permitted for this country",
  "name": "PartnerOnboardingCreate failed to process"
}

{
  "code": "404",
  "message": "Not found",
  "name": "PartnerOnboardingGet failed to process"
}

{
  "code": "409",
  "message": "This customer's KYC is completed; verified identity fields can no longer be changed",
  "name": "PartnerOnboardingUpdate failed to process"
}