curl --request POST \
  --url https://api.riskportal.activeviam.com/api/MarketData/UploadEntityCustomData \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json-patch+json' \
  --data '
{
  "use_best_effort": true,
  "entity_custom_datas": [
    {
      "region_of_risk": "region_of_risk",
      "credit_rating": "credit_rating",
      "country_of_risk": "country_of_risk",
      "instrument_identifier": {
        "code": "code",
        "market_identification_code": "market_identification_code",
        "identifier_type": "Derivitec"
      },
      "issuer_identifier": {
        "code": "code",
        "identifier_type": "DerivitecBondIssuerId"
      },
      "sector": "sector"
    },
    {
      "region_of_risk": "region_of_risk",
      "credit_rating": "credit_rating",
      "country_of_risk": "country_of_risk",
      "instrument_identifier": {
        "code": "code",
        "market_identification_code": "market_identification_code",
        "identifier_type": "Derivitec"
      },
      "issuer_identifier": {
        "code": "code",
        "identifier_type": "DerivitecBondIssuerId"
      },
      "sector": "sector"
    }
  ]
}
'

import requests

url = "https://api.riskportal.activeviam.com/api/MarketData/UploadEntityCustomData"

payload = {
    "use_best_effort": True,
    "entity_custom_datas": [
        {
            "region_of_risk": "region_of_risk",
            "credit_rating": "credit_rating",
            "country_of_risk": "country_of_risk",
            "instrument_identifier": {
                "code": "code",
                "market_identification_code": "market_identification_code",
                "identifier_type": "Derivitec"
            },
            "issuer_identifier": {
                "code": "code",
                "identifier_type": "DerivitecBondIssuerId"
            },
            "sector": "sector"
        },
        {
            "region_of_risk": "region_of_risk",
            "credit_rating": "credit_rating",
            "country_of_risk": "country_of_risk",
            "instrument_identifier": {
                "code": "code",
                "market_identification_code": "market_identification_code",
                "identifier_type": "Derivitec"
            },
            "issuer_identifier": {
                "code": "code",
                "identifier_type": "DerivitecBondIssuerId"
            },
            "sector": "sector"
        }
    ]
}
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json-patch+json"
}

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

print(response.text)

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json-patch+json'},
  body: JSON.stringify({
    use_best_effort: true,
    entity_custom_datas: [
      {
        region_of_risk: 'region_of_risk',
        credit_rating: 'credit_rating',
        country_of_risk: 'country_of_risk',
        instrument_identifier: {
          code: 'code',
          market_identification_code: 'market_identification_code',
          identifier_type: 'Derivitec'
        },
        issuer_identifier: {code: 'code', identifier_type: 'DerivitecBondIssuerId'},
        sector: 'sector'
      },
      {
        region_of_risk: 'region_of_risk',
        credit_rating: 'credit_rating',
        country_of_risk: 'country_of_risk',
        instrument_identifier: {
          code: 'code',
          market_identification_code: 'market_identification_code',
          identifier_type: 'Derivitec'
        },
        issuer_identifier: {code: 'code', identifier_type: 'DerivitecBondIssuerId'},
        sector: 'sector'
      }
    ]
  })
};

fetch('https://api.riskportal.activeviam.com/api/MarketData/UploadEntityCustomData', 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.riskportal.activeviam.com/api/MarketData/UploadEntityCustomData",
  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([
    'use_best_effort' => true,
    'entity_custom_datas' => [
        [
                'region_of_risk' => 'region_of_risk',
                'credit_rating' => 'credit_rating',
                'country_of_risk' => 'country_of_risk',
                'instrument_identifier' => [
                                'code' => 'code',
                                'market_identification_code' => 'market_identification_code',
                                'identifier_type' => 'Derivitec'
                ],
                'issuer_identifier' => [
                                'code' => 'code',
                                'identifier_type' => 'DerivitecBondIssuerId'
                ],
                'sector' => 'sector'
        ],
        [
                'region_of_risk' => 'region_of_risk',
                'credit_rating' => 'credit_rating',
                'country_of_risk' => 'country_of_risk',
                'instrument_identifier' => [
                                'code' => 'code',
                                'market_identification_code' => 'market_identification_code',
                                'identifier_type' => 'Derivitec'
                ],
                'issuer_identifier' => [
                                'code' => 'code',
                                'identifier_type' => 'DerivitecBondIssuerId'
                ],
                'sector' => 'sector'
        ]
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Authorization: Bearer <token>",
    "Content-Type: application/json-patch+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.riskportal.activeviam.com/api/MarketData/UploadEntityCustomData"

	payload := strings.NewReader("{\n  \"use_best_effort\": true,\n  \"entity_custom_datas\": [\n    {\n      \"region_of_risk\": \"region_of_risk\",\n      \"credit_rating\": \"credit_rating\",\n      \"country_of_risk\": \"country_of_risk\",\n      \"instrument_identifier\": {\n        \"code\": \"code\",\n        \"market_identification_code\": \"market_identification_code\",\n        \"identifier_type\": \"Derivitec\"\n      },\n      \"issuer_identifier\": {\n        \"code\": \"code\",\n        \"identifier_type\": \"DerivitecBondIssuerId\"\n      },\n      \"sector\": \"sector\"\n    },\n    {\n      \"region_of_risk\": \"region_of_risk\",\n      \"credit_rating\": \"credit_rating\",\n      \"country_of_risk\": \"country_of_risk\",\n      \"instrument_identifier\": {\n        \"code\": \"code\",\n        \"market_identification_code\": \"market_identification_code\",\n        \"identifier_type\": \"Derivitec\"\n      },\n      \"issuer_identifier\": {\n        \"code\": \"code\",\n        \"identifier_type\": \"DerivitecBondIssuerId\"\n      },\n      \"sector\": \"sector\"\n    }\n  ]\n}")

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

	req.Header.Add("Authorization", "Bearer <token>")
	req.Header.Add("Content-Type", "application/json-patch+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.riskportal.activeviam.com/api/MarketData/UploadEntityCustomData")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json-patch+json")
  .body("{\n  \"use_best_effort\": true,\n  \"entity_custom_datas\": [\n    {\n      \"region_of_risk\": \"region_of_risk\",\n      \"credit_rating\": \"credit_rating\",\n      \"country_of_risk\": \"country_of_risk\",\n      \"instrument_identifier\": {\n        \"code\": \"code\",\n        \"market_identification_code\": \"market_identification_code\",\n        \"identifier_type\": \"Derivitec\"\n      },\n      \"issuer_identifier\": {\n        \"code\": \"code\",\n        \"identifier_type\": \"DerivitecBondIssuerId\"\n      },\n      \"sector\": \"sector\"\n    },\n    {\n      \"region_of_risk\": \"region_of_risk\",\n      \"credit_rating\": \"credit_rating\",\n      \"country_of_risk\": \"country_of_risk\",\n      \"instrument_identifier\": {\n        \"code\": \"code\",\n        \"market_identification_code\": \"market_identification_code\",\n        \"identifier_type\": \"Derivitec\"\n      },\n      \"issuer_identifier\": {\n        \"code\": \"code\",\n        \"identifier_type\": \"DerivitecBondIssuerId\"\n      },\n      \"sector\": \"sector\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.riskportal.activeviam.com/api/MarketData/UploadEntityCustomData")

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-patch+json'
request.body = "{\n  \"use_best_effort\": true,\n  \"entity_custom_datas\": [\n    {\n      \"region_of_risk\": \"region_of_risk\",\n      \"credit_rating\": \"credit_rating\",\n      \"country_of_risk\": \"country_of_risk\",\n      \"instrument_identifier\": {\n        \"code\": \"code\",\n        \"market_identification_code\": \"market_identification_code\",\n        \"identifier_type\": \"Derivitec\"\n      },\n      \"issuer_identifier\": {\n        \"code\": \"code\",\n        \"identifier_type\": \"DerivitecBondIssuerId\"\n      },\n      \"sector\": \"sector\"\n    },\n    {\n      \"region_of_risk\": \"region_of_risk\",\n      \"credit_rating\": \"credit_rating\",\n      \"country_of_risk\": \"country_of_risk\",\n      \"instrument_identifier\": {\n        \"code\": \"code\",\n        \"market_identification_code\": \"market_identification_code\",\n        \"identifier_type\": \"Derivitec\"\n      },\n      \"issuer_identifier\": {\n        \"code\": \"code\",\n        \"identifier_type\": \"DerivitecBondIssuerId\"\n      },\n      \"sector\": \"sector\"\n    }\n  ]\n}"

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

{
  "entity_ids": [
    "entity_ids",
    "entity_ids"
  ]
}