curl --request POST \
  --url https://api.riskportal.activeviam.com/api/LegacyPosition/PositionUpload \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json-patch+json' \
  --data '
{
  "positions": [
    {
      "book": "book",
      "client_tradable_id": "client_tradable_id",
      "client_transaction_id": "client_transaction_id",
      "leg": "leg",
      "counterparty_account": "counterparty_account",
      "string_label8": "string_label8",
      "string_label9": "string_label9",
      "string_label15": "string_label15",
      "string_label6": "string_label6",
      "string_label14": "string_label14",
      "string_label7": "string_label7",
      "string_label13": "string_label13",
      "quantity": 0.8008281904610115,
      "contract": {
        "identifier": "identifier"
      },
      "trade_action": "trade_action",
      "team": "team",
      "string_label12": "string_label12",
      "business_unit": "business_unit",
      "string_label11": "string_label11",
      "trade_date": "2000-01-23T04:56:07.000+00:00",
      "string_label10": "string_label10",
      "structure": "structure",
      "sub_business_unit": "sub_business_unit",
      "string_label1": "string_label1",
      "dealer_name": "dealer_name",
      "counterparty": "counterparty",
      "strategy": "strategy",
      "string_label4": "string_label4",
      "string_label5": "string_label5",
      "entity": "entity",
      "string_label2": "string_label2",
      "string_label3": "string_label3"
    },
    {
      "book": "book",
      "client_tradable_id": "client_tradable_id",
      "client_transaction_id": "client_transaction_id",
      "leg": "leg",
      "counterparty_account": "counterparty_account",
      "string_label8": "string_label8",
      "string_label9": "string_label9",
      "string_label15": "string_label15",
      "string_label6": "string_label6",
      "string_label14": "string_label14",
      "string_label7": "string_label7",
      "string_label13": "string_label13",
      "quantity": 0.8008281904610115,
      "contract": {
        "identifier": "identifier"
      },
      "trade_action": "trade_action",
      "team": "team",
      "string_label12": "string_label12",
      "business_unit": "business_unit",
      "string_label11": "string_label11",
      "trade_date": "2000-01-23T04:56:07.000+00:00",
      "string_label10": "string_label10",
      "structure": "structure",
      "sub_business_unit": "sub_business_unit",
      "string_label1": "string_label1",
      "dealer_name": "dealer_name",
      "counterparty": "counterparty",
      "strategy": "strategy",
      "string_label4": "string_label4",
      "string_label5": "string_label5",
      "entity": "entity",
      "string_label2": "string_label2",
      "string_label3": "string_label3"
    }
  ]
}
'

import requests

url = "https://api.riskportal.activeviam.com/api/LegacyPosition/PositionUpload"

payload = { "positions": [
        {
            "book": "book",
            "client_tradable_id": "client_tradable_id",
            "client_transaction_id": "client_transaction_id",
            "leg": "leg",
            "counterparty_account": "counterparty_account",
            "string_label8": "string_label8",
            "string_label9": "string_label9",
            "string_label15": "string_label15",
            "string_label6": "string_label6",
            "string_label14": "string_label14",
            "string_label7": "string_label7",
            "string_label13": "string_label13",
            "quantity": 0.8008281904610115,
            "contract": { "identifier": "identifier" },
            "trade_action": "trade_action",
            "team": "team",
            "string_label12": "string_label12",
            "business_unit": "business_unit",
            "string_label11": "string_label11",
            "trade_date": "2000-01-23T04:56:07.000+00:00",
            "string_label10": "string_label10",
            "structure": "structure",
            "sub_business_unit": "sub_business_unit",
            "string_label1": "string_label1",
            "dealer_name": "dealer_name",
            "counterparty": "counterparty",
            "strategy": "strategy",
            "string_label4": "string_label4",
            "string_label5": "string_label5",
            "entity": "entity",
            "string_label2": "string_label2",
            "string_label3": "string_label3"
        },
        {
            "book": "book",
            "client_tradable_id": "client_tradable_id",
            "client_transaction_id": "client_transaction_id",
            "leg": "leg",
            "counterparty_account": "counterparty_account",
            "string_label8": "string_label8",
            "string_label9": "string_label9",
            "string_label15": "string_label15",
            "string_label6": "string_label6",
            "string_label14": "string_label14",
            "string_label7": "string_label7",
            "string_label13": "string_label13",
            "quantity": 0.8008281904610115,
            "contract": { "identifier": "identifier" },
            "trade_action": "trade_action",
            "team": "team",
            "string_label12": "string_label12",
            "business_unit": "business_unit",
            "string_label11": "string_label11",
            "trade_date": "2000-01-23T04:56:07.000+00:00",
            "string_label10": "string_label10",
            "structure": "structure",
            "sub_business_unit": "sub_business_unit",
            "string_label1": "string_label1",
            "dealer_name": "dealer_name",
            "counterparty": "counterparty",
            "strategy": "strategy",
            "string_label4": "string_label4",
            "string_label5": "string_label5",
            "entity": "entity",
            "string_label2": "string_label2",
            "string_label3": "string_label3"
        }
    ] }
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({
    positions: [
      {
        book: 'book',
        client_tradable_id: 'client_tradable_id',
        client_transaction_id: 'client_transaction_id',
        leg: 'leg',
        counterparty_account: 'counterparty_account',
        string_label8: 'string_label8',
        string_label9: 'string_label9',
        string_label15: 'string_label15',
        string_label6: 'string_label6',
        string_label14: 'string_label14',
        string_label7: 'string_label7',
        string_label13: 'string_label13',
        quantity: 0.8008281904610115,
        contract: {identifier: 'identifier'},
        trade_action: 'trade_action',
        team: 'team',
        string_label12: 'string_label12',
        business_unit: 'business_unit',
        string_label11: 'string_label11',
        trade_date: '2000-01-23T04:56:07.000+00:00',
        string_label10: 'string_label10',
        structure: 'structure',
        sub_business_unit: 'sub_business_unit',
        string_label1: 'string_label1',
        dealer_name: 'dealer_name',
        counterparty: 'counterparty',
        strategy: 'strategy',
        string_label4: 'string_label4',
        string_label5: 'string_label5',
        entity: 'entity',
        string_label2: 'string_label2',
        string_label3: 'string_label3'
      },
      {
        book: 'book',
        client_tradable_id: 'client_tradable_id',
        client_transaction_id: 'client_transaction_id',
        leg: 'leg',
        counterparty_account: 'counterparty_account',
        string_label8: 'string_label8',
        string_label9: 'string_label9',
        string_label15: 'string_label15',
        string_label6: 'string_label6',
        string_label14: 'string_label14',
        string_label7: 'string_label7',
        string_label13: 'string_label13',
        quantity: 0.8008281904610115,
        contract: {identifier: 'identifier'},
        trade_action: 'trade_action',
        team: 'team',
        string_label12: 'string_label12',
        business_unit: 'business_unit',
        string_label11: 'string_label11',
        trade_date: '2000-01-23T04:56:07.000+00:00',
        string_label10: 'string_label10',
        structure: 'structure',
        sub_business_unit: 'sub_business_unit',
        string_label1: 'string_label1',
        dealer_name: 'dealer_name',
        counterparty: 'counterparty',
        strategy: 'strategy',
        string_label4: 'string_label4',
        string_label5: 'string_label5',
        entity: 'entity',
        string_label2: 'string_label2',
        string_label3: 'string_label3'
      }
    ]
  })
};

fetch('https://api.riskportal.activeviam.com/api/LegacyPosition/PositionUpload', 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/LegacyPosition/PositionUpload",
  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([
    'positions' => [
        [
                'book' => 'book',
                'client_tradable_id' => 'client_tradable_id',
                'client_transaction_id' => 'client_transaction_id',
                'leg' => 'leg',
                'counterparty_account' => 'counterparty_account',
                'string_label8' => 'string_label8',
                'string_label9' => 'string_label9',
                'string_label15' => 'string_label15',
                'string_label6' => 'string_label6',
                'string_label14' => 'string_label14',
                'string_label7' => 'string_label7',
                'string_label13' => 'string_label13',
                'quantity' => 0.8008281904610115,
                'contract' => [
                                'identifier' => 'identifier'
                ],
                'trade_action' => 'trade_action',
                'team' => 'team',
                'string_label12' => 'string_label12',
                'business_unit' => 'business_unit',
                'string_label11' => 'string_label11',
                'trade_date' => '2000-01-23T04:56:07.000+00:00',
                'string_label10' => 'string_label10',
                'structure' => 'structure',
                'sub_business_unit' => 'sub_business_unit',
                'string_label1' => 'string_label1',
                'dealer_name' => 'dealer_name',
                'counterparty' => 'counterparty',
                'strategy' => 'strategy',
                'string_label4' => 'string_label4',
                'string_label5' => 'string_label5',
                'entity' => 'entity',
                'string_label2' => 'string_label2',
                'string_label3' => 'string_label3'
        ],
        [
                'book' => 'book',
                'client_tradable_id' => 'client_tradable_id',
                'client_transaction_id' => 'client_transaction_id',
                'leg' => 'leg',
                'counterparty_account' => 'counterparty_account',
                'string_label8' => 'string_label8',
                'string_label9' => 'string_label9',
                'string_label15' => 'string_label15',
                'string_label6' => 'string_label6',
                'string_label14' => 'string_label14',
                'string_label7' => 'string_label7',
                'string_label13' => 'string_label13',
                'quantity' => 0.8008281904610115,
                'contract' => [
                                'identifier' => 'identifier'
                ],
                'trade_action' => 'trade_action',
                'team' => 'team',
                'string_label12' => 'string_label12',
                'business_unit' => 'business_unit',
                'string_label11' => 'string_label11',
                'trade_date' => '2000-01-23T04:56:07.000+00:00',
                'string_label10' => 'string_label10',
                'structure' => 'structure',
                'sub_business_unit' => 'sub_business_unit',
                'string_label1' => 'string_label1',
                'dealer_name' => 'dealer_name',
                'counterparty' => 'counterparty',
                'strategy' => 'strategy',
                'string_label4' => 'string_label4',
                'string_label5' => 'string_label5',
                'entity' => 'entity',
                'string_label2' => 'string_label2',
                'string_label3' => 'string_label3'
        ]
    ]
  ]),
  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/LegacyPosition/PositionUpload"

	payload := strings.NewReader("{\n  \"positions\": [\n    {\n      \"book\": \"book\",\n      \"client_tradable_id\": \"client_tradable_id\",\n      \"client_transaction_id\": \"client_transaction_id\",\n      \"leg\": \"leg\",\n      \"counterparty_account\": \"counterparty_account\",\n      \"string_label8\": \"string_label8\",\n      \"string_label9\": \"string_label9\",\n      \"string_label15\": \"string_label15\",\n      \"string_label6\": \"string_label6\",\n      \"string_label14\": \"string_label14\",\n      \"string_label7\": \"string_label7\",\n      \"string_label13\": \"string_label13\",\n      \"quantity\": 0.8008281904610115,\n      \"contract\": {\n        \"identifier\": \"identifier\"\n      },\n      \"trade_action\": \"trade_action\",\n      \"team\": \"team\",\n      \"string_label12\": \"string_label12\",\n      \"business_unit\": \"business_unit\",\n      \"string_label11\": \"string_label11\",\n      \"trade_date\": \"2000-01-23T04:56:07.000+00:00\",\n      \"string_label10\": \"string_label10\",\n      \"structure\": \"structure\",\n      \"sub_business_unit\": \"sub_business_unit\",\n      \"string_label1\": \"string_label1\",\n      \"dealer_name\": \"dealer_name\",\n      \"counterparty\": \"counterparty\",\n      \"strategy\": \"strategy\",\n      \"string_label4\": \"string_label4\",\n      \"string_label5\": \"string_label5\",\n      \"entity\": \"entity\",\n      \"string_label2\": \"string_label2\",\n      \"string_label3\": \"string_label3\"\n    },\n    {\n      \"book\": \"book\",\n      \"client_tradable_id\": \"client_tradable_id\",\n      \"client_transaction_id\": \"client_transaction_id\",\n      \"leg\": \"leg\",\n      \"counterparty_account\": \"counterparty_account\",\n      \"string_label8\": \"string_label8\",\n      \"string_label9\": \"string_label9\",\n      \"string_label15\": \"string_label15\",\n      \"string_label6\": \"string_label6\",\n      \"string_label14\": \"string_label14\",\n      \"string_label7\": \"string_label7\",\n      \"string_label13\": \"string_label13\",\n      \"quantity\": 0.8008281904610115,\n      \"contract\": {\n        \"identifier\": \"identifier\"\n      },\n      \"trade_action\": \"trade_action\",\n      \"team\": \"team\",\n      \"string_label12\": \"string_label12\",\n      \"business_unit\": \"business_unit\",\n      \"string_label11\": \"string_label11\",\n      \"trade_date\": \"2000-01-23T04:56:07.000+00:00\",\n      \"string_label10\": \"string_label10\",\n      \"structure\": \"structure\",\n      \"sub_business_unit\": \"sub_business_unit\",\n      \"string_label1\": \"string_label1\",\n      \"dealer_name\": \"dealer_name\",\n      \"counterparty\": \"counterparty\",\n      \"strategy\": \"strategy\",\n      \"string_label4\": \"string_label4\",\n      \"string_label5\": \"string_label5\",\n      \"entity\": \"entity\",\n      \"string_label2\": \"string_label2\",\n      \"string_label3\": \"string_label3\"\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/LegacyPosition/PositionUpload")
  .header("Authorization", "Bearer <token>")
  .header("Content-Type", "application/json-patch+json")
  .body("{\n  \"positions\": [\n    {\n      \"book\": \"book\",\n      \"client_tradable_id\": \"client_tradable_id\",\n      \"client_transaction_id\": \"client_transaction_id\",\n      \"leg\": \"leg\",\n      \"counterparty_account\": \"counterparty_account\",\n      \"string_label8\": \"string_label8\",\n      \"string_label9\": \"string_label9\",\n      \"string_label15\": \"string_label15\",\n      \"string_label6\": \"string_label6\",\n      \"string_label14\": \"string_label14\",\n      \"string_label7\": \"string_label7\",\n      \"string_label13\": \"string_label13\",\n      \"quantity\": 0.8008281904610115,\n      \"contract\": {\n        \"identifier\": \"identifier\"\n      },\n      \"trade_action\": \"trade_action\",\n      \"team\": \"team\",\n      \"string_label12\": \"string_label12\",\n      \"business_unit\": \"business_unit\",\n      \"string_label11\": \"string_label11\",\n      \"trade_date\": \"2000-01-23T04:56:07.000+00:00\",\n      \"string_label10\": \"string_label10\",\n      \"structure\": \"structure\",\n      \"sub_business_unit\": \"sub_business_unit\",\n      \"string_label1\": \"string_label1\",\n      \"dealer_name\": \"dealer_name\",\n      \"counterparty\": \"counterparty\",\n      \"strategy\": \"strategy\",\n      \"string_label4\": \"string_label4\",\n      \"string_label5\": \"string_label5\",\n      \"entity\": \"entity\",\n      \"string_label2\": \"string_label2\",\n      \"string_label3\": \"string_label3\"\n    },\n    {\n      \"book\": \"book\",\n      \"client_tradable_id\": \"client_tradable_id\",\n      \"client_transaction_id\": \"client_transaction_id\",\n      \"leg\": \"leg\",\n      \"counterparty_account\": \"counterparty_account\",\n      \"string_label8\": \"string_label8\",\n      \"string_label9\": \"string_label9\",\n      \"string_label15\": \"string_label15\",\n      \"string_label6\": \"string_label6\",\n      \"string_label14\": \"string_label14\",\n      \"string_label7\": \"string_label7\",\n      \"string_label13\": \"string_label13\",\n      \"quantity\": 0.8008281904610115,\n      \"contract\": {\n        \"identifier\": \"identifier\"\n      },\n      \"trade_action\": \"trade_action\",\n      \"team\": \"team\",\n      \"string_label12\": \"string_label12\",\n      \"business_unit\": \"business_unit\",\n      \"string_label11\": \"string_label11\",\n      \"trade_date\": \"2000-01-23T04:56:07.000+00:00\",\n      \"string_label10\": \"string_label10\",\n      \"structure\": \"structure\",\n      \"sub_business_unit\": \"sub_business_unit\",\n      \"string_label1\": \"string_label1\",\n      \"dealer_name\": \"dealer_name\",\n      \"counterparty\": \"counterparty\",\n      \"strategy\": \"strategy\",\n      \"string_label4\": \"string_label4\",\n      \"string_label5\": \"string_label5\",\n      \"entity\": \"entity\",\n      \"string_label2\": \"string_label2\",\n      \"string_label3\": \"string_label3\"\n    }\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://api.riskportal.activeviam.com/api/LegacyPosition/PositionUpload")

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  \"positions\": [\n    {\n      \"book\": \"book\",\n      \"client_tradable_id\": \"client_tradable_id\",\n      \"client_transaction_id\": \"client_transaction_id\",\n      \"leg\": \"leg\",\n      \"counterparty_account\": \"counterparty_account\",\n      \"string_label8\": \"string_label8\",\n      \"string_label9\": \"string_label9\",\n      \"string_label15\": \"string_label15\",\n      \"string_label6\": \"string_label6\",\n      \"string_label14\": \"string_label14\",\n      \"string_label7\": \"string_label7\",\n      \"string_label13\": \"string_label13\",\n      \"quantity\": 0.8008281904610115,\n      \"contract\": {\n        \"identifier\": \"identifier\"\n      },\n      \"trade_action\": \"trade_action\",\n      \"team\": \"team\",\n      \"string_label12\": \"string_label12\",\n      \"business_unit\": \"business_unit\",\n      \"string_label11\": \"string_label11\",\n      \"trade_date\": \"2000-01-23T04:56:07.000+00:00\",\n      \"string_label10\": \"string_label10\",\n      \"structure\": \"structure\",\n      \"sub_business_unit\": \"sub_business_unit\",\n      \"string_label1\": \"string_label1\",\n      \"dealer_name\": \"dealer_name\",\n      \"counterparty\": \"counterparty\",\n      \"strategy\": \"strategy\",\n      \"string_label4\": \"string_label4\",\n      \"string_label5\": \"string_label5\",\n      \"entity\": \"entity\",\n      \"string_label2\": \"string_label2\",\n      \"string_label3\": \"string_label3\"\n    },\n    {\n      \"book\": \"book\",\n      \"client_tradable_id\": \"client_tradable_id\",\n      \"client_transaction_id\": \"client_transaction_id\",\n      \"leg\": \"leg\",\n      \"counterparty_account\": \"counterparty_account\",\n      \"string_label8\": \"string_label8\",\n      \"string_label9\": \"string_label9\",\n      \"string_label15\": \"string_label15\",\n      \"string_label6\": \"string_label6\",\n      \"string_label14\": \"string_label14\",\n      \"string_label7\": \"string_label7\",\n      \"string_label13\": \"string_label13\",\n      \"quantity\": 0.8008281904610115,\n      \"contract\": {\n        \"identifier\": \"identifier\"\n      },\n      \"trade_action\": \"trade_action\",\n      \"team\": \"team\",\n      \"string_label12\": \"string_label12\",\n      \"business_unit\": \"business_unit\",\n      \"string_label11\": \"string_label11\",\n      \"trade_date\": \"2000-01-23T04:56:07.000+00:00\",\n      \"string_label10\": \"string_label10\",\n      \"structure\": \"structure\",\n      \"sub_business_unit\": \"sub_business_unit\",\n      \"string_label1\": \"string_label1\",\n      \"dealer_name\": \"dealer_name\",\n      \"counterparty\": \"counterparty\",\n      \"strategy\": \"strategy\",\n      \"string_label4\": \"string_label4\",\n      \"string_label5\": \"string_label5\",\n      \"entity\": \"entity\",\n      \"string_label2\": \"string_label2\",\n      \"string_label3\": \"string_label3\"\n    }\n  ]\n}"

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

{
  "results": [
    {
      "error_message": "error_message",
      "client_transaction_id": "client_transaction_id",
      "tradable_id": "tradable_id",
      "succeeded": true
    },
    {
      "error_message": "error_message",
      "client_transaction_id": "client_transaction_id",
      "tradable_id": "tradable_id",
      "succeeded": true
    }
  ]
}